Patent application number | Description | Published |
20090018274 | METHOD FOR THE MANUFACTURE OF PRESSURE SENSITIVE ADHESIVES - A method for the manufacture of an adhesive id described, comprising: (A) Providing an initial reaction product of a solution polymerization reaction, the initial reaction product comprising polymer, unreacted polymerizable reactant, non-poly-merizable material, and solvent; and (B) Purifying the initial reaction product by adding an oxidizing agent and a reducing agent to the initial reaction product and allowing the unreacted polymerizable reactant in the initial reaction product to further react, thereby providing a second reaction product comprising additional polymer and a lower level of unreacted polymerizable reactant than was present in the initial reaction product. Optionally, the method of the invention may further comprise: Precipitating the polymer from the second reaction product to provide a precipitated polymer, and separating the precipitated polymer from the remainder of the second reaction product, the precipitated polymer comprising a lower level of non-polymerizable material or unreacted polymerizable reactant or both non-polymerizable material and unreacted polymerizable reactant than was present in the second reaction product. | 01-15-2009 |
20100136265 | ANTISTATIC OPTICALLY CLEAR PRESSURE SENSITIVE ADHESIVE - Provided is an optically clear display-grade adhesive comprising (a) a crosslinked acrylic pressure sensitive adhesive, (b) an organic-soluble and dissociable salt, and optionally (c) a non-hydrophilic plasticizer, wherein the adhesive is electrostatically dissipative transmissive to visible light with low haze. Also provided are with methods of making and using the same. | 06-03-2010 |
20100203338 | DUST SUPPRESSANTS - The present application is directed to an article comprising a dusty surface and a coating on the dusty surface comprising a coating polymer having a Tg less −20° C. and a method of reducing dust. In some embodiments, the polymer has a Tg less than −30° C., and in specific embodiments, the polymer has a Tg less than −45° C. The dusty surface may be, for example, crushed stone, coal, iron ore, gravel, sand or other aggregates (e.g. a roofing granule,) or a soil surface. | 08-12-2010 |
20100227969 | AZIRIDINE CROSSLINKING AGENTS FOR ACRYLIC ADHESIVES - A crosslinkable, pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an aziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles. | 09-09-2010 |
20110104486 | LOW SURFACE ENERGY ADHESIVE - Adhesives suitable for use with low surface energy materials are described. The adhesive contain an acrylic copolymer, a high glass transition temperature tackifier and a low glass transition temperature tackifier. The acrylic copolymer is the reaction product of a first alkyl(meth)acrylate having at least 5 carbon atoms in the alkyl group, a second alkyl(meth)acrylate having 1 to 4 carbon atoms in the alkyl group, and a vinyl carboxylic acid. Both tackifiers have a Tg greater than the Tg of the acrylic copolymer. The high glass transition temperature tackifier has a Tg of at least 20° C. and the low glass transition temperature tackifier has a Tg of less than 0° C. | 05-05-2011 |
20110112457 | MEDICAL ARTICLES AND METHODS OF MAKING USING IMMISCIBLE MATERIAL - Provided are medical articles (e.g., wound dressings) that include a pressure sensitive adhesive layer and methods of making the medical articles using immiscible materials that increase moisture vapor transmission rates. | 05-12-2011 |
20110112458 | MEDICAL ARTICLES AND METHODS OF MAKING USING MISCIBLE COMPOSITION - Provided are methods of improving the moisture vapor transmission rate of a pressure sensitive adhesive layer in a medical article with a miscible composition, as well as medical articles including the improved pressure sensitive adhesive layer. | 05-12-2011 |
20110269865 | THREE-DIMENSIONAL ARTICLES USING NONLINEAR THERMAL POLYMERIZATION - A method for building three-dimensional articles using a thermal polymerization process in provided. The articles are built by using a composition that includes a thermally polymerizable composition, a thermal initiator, and a nonlinear light-to-heat conversion material such as a reverse saturable dye. The article is built by the sequential exposure of adjacent voxels with a laser beam. Microlens arrays can be used to expose more than one voxel at a time. | 11-03-2011 |
20120135240 | DUST SUPPRESSANTS - A surface having dust particles thereon and a coating on the surface comprising a coating polymer having a Tg less than −20° C. A method of reducing dust, the method including providing a surface having dust particles thereon and coating the surface with a coating polymer with a Tg less than −20° C. | 05-31-2012 |
20130303958 | MEDICAL ARTICLES AND METHODS OF MAKING USING IMMISCIBLE MATERIAL - Provided are medical articles (e.g., wound dressings) that include a pressure sensitive adhesive layer and methods of making the medical articles using immiscible materials that increase moisture vapor transmission rates. | 11-14-2013 |
20140323578 | POLYMERIC COLORANT COMPOSITIONS AND METHODS OF USE - A composition is disclosed. The composition comprises at least one polymeric colorant having a polymer component with a colorant component covalently bound thereto, a medicament, and a liquid vehicle. The at least one colorant component does not react directly or indirectly with the medicament. Methods of using the polymeric colorants, including a method for the preparation of skin as a site for a surgical procedure and a method of treating a medical condition, are also provided. | 10-30-2014 |
20150010748 | BASIC COMPOSITIONS INCLUDING INORGANIC OXIDE NANOPARTICLES AND AN ORGANIC BASE, COATED SUBSTRATES, ARTICLES AND METHODS - Basic coating compositions including inorganic oxide nanoparticles and an organic base are described. Methods of coating a substrate with the coating compositions, coated substrates prepared using the methods, and articles that include the coated substrates are also disclosed. | 01-08-2015 |
20150053341 | PROCESSING TAPES FOR PREPARING LAMINATE ARTICLES - Processing tapes have special properties to permit them to be used to prepare laminate articles, such as security articles. The processing tapes include a backing, a pressure sensitive adhesive layer and a release surface covering the pressure sensitive adhesive layer. The backing is a dimensionally stable transparent polymeric film, and the surface on which the pressure sensitive is coated may be a treated surface. The pressure sensitive adhesive is a transparent pressure sensitive adhesive that includes a crosslinked (meth)acrylate-based polymer and has a refractive index in the range of 1.45-1.55. The (meth)acrylate-based polymer includes alkyl (meth)acrylate monomers and may include acidic monomers. | 02-26-2015 |
Patent application number | Description | Published |
20080276696 | ATOMIC FORCE MICROSCOPY OF SCANNING AND IMAGE PROCESSING - A topographic profile of a structure is generated using atomic force microscopy. The structure is scanned such that an area of interest of the structure is scanned at a higher resolution than portions of the structure outside of the area of interest. An profile of the structure is then generated based on the scan. To correct skew and tilt of the profile, a first feature of the profile is aligned with a first axis of a coordinate system. The profile is then manipulated to align a second feature of the profile with a second axis of the coordinate system. | 11-13-2008 |
20100032738 | MAGNETIC MEMORY WITH STRAIN-ASSISTED EXCHANGE COUPLING SWITCH - A magnetic tunnel junction cell having a free layer and first pinned layer with perpendicular anisotropy, the cell including a coupling layer between the free layer and a second pinned layer, the coupling layer comprising a phase change material switchable from an antiferromagnetic state to a ferromagnetic state. In some embodiments, at least one actuator electrode proximate the coupling layer transfers a strain from the electrode to the coupling layer to switch the coupling layer from the antiferromagnetic state to the ferromagnetic state. Memory devices and methods are also described. | 02-11-2010 |
20100264500 | METHOD OF FABRICATING STRUCTURES - A method of processing a stack, the method including depositing a fusible material on a first hardmask layer, the first hardmask layer disposed on a surface of a pre-processed stack, the pre-processed stack being disposed on at least a portion of a substrate; heating the fusible material layer to a temperature at or above its melting point to cause it to form a fusible material sphere, the fusible material sphere disposed on less than the entire first hardmask layer; etching the first hardmask layer, wherein the fusible material sphere prevents a portion of the first hardmask layer from etching, thereby forming a second hardmask layer; and etching the pre-processed stack, wherein at least the second hardmask layer prevents a portion of the pre-processed stack from etching, thereby forming a stack. | 10-21-2010 |
20110007423 | Supplemental Layer to Reduce Damage from Recording Head to Recording Media Contact - Recording heads for data storage systems are provided. Recording heads include a substrate layer made of a first material. The substrate layer has a bearing surface side. A tapered feature made of a second material is included on the bearing surface side. The first material is illustratively a multiphase material and the second material is illustratively diamond-like carbon. | 01-13-2011 |
20110157750 | TOP BOND PAD FOR TRANSDUCING HEAD INTERCONNECT - A slider includes a slider body having a first side and edges defined adjacent to the first side, at least two separate insulators each adjacent to the first side of the slider body and supported by the slider body, and a conductive trace adjacent to each of the at least two separate insulators and opposite the first side of the slider body. The at least two separate insulators each are in physical contact with the slider body along the first side of the slider body such that the at least two separate insulators are physically attached to the slider body to electrically insulate each conductive trace from the slider body. | 06-30-2011 |
20120025339 | MAGNETIC MEMORY WITH STRAIN-ASSISTED EXCHANGE COUPLING SWITCH - A magnetic tunnel junction cell having a free layer and first pinned layer with perpendicular anisotropy, the cell including a coupling layer between the free layer and a second pinned layer, the coupling layer comprising a phase change material switchable from an antiferromagnetic state to a ferromagnetic state. In some embodiments, at least one actuator electrode proximate the coupling layer transfers a strain from the electrode to the coupling layer to switch the coupling layer from the antiferromagnetic state to the ferromagnetic state. Memory devices and methods are also described. | 02-02-2012 |
20140268421 | MAGNETIC SENSOR WITH DIFFERING STRIPE HEIGHTS - A magnetic sensor may be generally configured in accordance with various embodiments to have a magnetically responsive stack with first and second free layers and without a fixed magnetization. The first and second free layers can be tuned to have different stripe heights from an air bearing surface (ABS) and square rear surface features distal the ABS. | 09-18-2014 |
Patent application number | Description | Published |
20130027813 | Shaped Shield For A Magnetoresistive Head - A magnetic shield that is capable of enhancing magnetic reading, such as in use as a data transducing head. A magnetic stack can have a read element with an air bearing surface (ABS). The read element may be positioned adjacent a shield layer with a continuously curvilinear sidewall and a shield feature may be positioned within the areal extent of the continuously curvilinear sidewall. | 01-31-2013 |
20130286799 | HAMR NFT MATERIALS WITH IMPROVED THERMAL STABILITY - An apparatus that includes a near field transducer, the near field transducer including silver (Ag) and at least one other element or compound, wherein the at least one other element or compound is selected from: copper (Cu), palladium (Pd), gold (Au), zirconium (Zr), zirconium oxide (ZrO), platinum (Pt), geranium (Ge), nickel (Ni), tungsten (W), cobalt (Co), rhodium (Rh), ruthenium (Ru), tantalum (Ta), chromium (Cr), aluminum (Al), vanadium (V), iridium (Ir), titanium (Ti), magnesium (Mg), iron (Fe), molybdenum (Mo), silicon (Si), or combinations thereof oxides of V, Zr, Mg, calcium (Ca), Al, Ti, Si, cesium (Ce), yttrium (Y), Ta, W or thorium (Th), Co, or combinations thereof; or nitrides of Ta, Al, Ti, Si, indium (In), Fe, Zr, Cu, W, boron (B), halfnium (Hf), or combinations thereof. | 10-31-2013 |
20130288078 | Thin Film with Reduced Stress Anisotropy - An apparatus and associated method may provide a magnetic element can have a thin film deposited on a cryogenic substrate. The thin film can additionally be stress tuned ,during primary annealing to reduce unwanted stress anisotropy. The thin film can be configured to have near zero internal stress after the primary annealing. | 10-31-2013 |
20140004387 | THIN FILM WITH TUNED GRAIN SIZE | 01-02-2014 |
20140093701 | METHODS OF FORMING MAGNETIC MATERIALS AND ARTICLES FORMED THEREBY - Methods of forming a layer of magnetic material on a substrate, the method including: configuring a substrate in a chamber; controlling the temperature of the substrate at a substrate temperature, the substrate temperature being at or below about 250° C.; and introducing one or more precursors into the chamber, the one or more precursors including: cobalt (Co), nickel (Ni), iron (Fe), or combinations thereof, wherein the precursors chemically decompose at the substrate temperature, and wherein a layer of magnetic material is formed on the substrate, the magnetic material including at least a portion of the one or more precursors, and the magnetic material having a magnetic flux density of at least about 1 Tesla (T). | 04-03-2014 |
20140120374 | MAGNETIC DEVICES HAVING SHIELDS INCLUDING A NICKEL ALLOY - A device including a magnetoresistive sensor; a top shield; and a bottom shield, wherein the magnetoresistive sensor is positioned between the top shield and the bottom shield, and wherein at least one of the bottom shield and the top shield include NiFeX, wherein X is chosen from Nb, Mo, Ta, or W. | 05-01-2014 |
Patent application number | Description | Published |
20100035039 | ACICULAR SILICA COATING FOR ENHANCED HYDROPHILICITY/TRANSMITTIVITY - A coated article having a substrate coated with a layer of acicular silica particles is provided. The coating is substantially uniform in thickness, durably adheres to the substrate, and provides antireflection and or hydrophilic surface properties to the substrate. | 02-11-2010 |
20100137469 | AZIRIDINE-FUNCTIONAL PHOTOACTIVE CROSSLINKING COMPOUNDS - A photoactive compound that is the Michael addition reaction product of an aziridine compound and a photoinitiator-functional (meth)acrylate is described. The compound can be used to crosslink (meth)acrylic polymers via a hydrogen abstracting or an alpha-cleavage mechanism. | 06-03-2010 |
20100140600 | THIN FILM TRANSISTORS INCORPORATING INTERFACIAL CONDUCTIVE CLUSTERS - A field effect transistor includes a thin layer of discontinuous conductive clusters between the gate dielectric and the active layer. The active layer can include an organic semiconductor or a blend of organic semiconductor and polymer. Metals, metal oxides, predominantly non-carbon metallic materials, and/or carbon nanotubes may be used to form the layer of conductive clusters. The conductive clusters improve transistor performance and also facilitate transistor fabrication. | 06-10-2010 |
20100227969 | AZIRIDINE CROSSLINKING AGENTS FOR ACRYLIC ADHESIVES - A crosslinkable, pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an aziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles. | 09-09-2010 |
20100265584 | RETROREFLECTING OPTICAL CONSTRUCTION - Retroreflecting optical constructions are disclosed. A disclosed retroreflecting optical construction includes a retroreflecting layer that has a retroreflecting structured major surface, and an optical film that is disposed on the retroreflecting structured major surface of the retroreflecting layer. The optical film has an optical haze that is not less than about 30%. Substantial portions of each two neighboring major surfaces in the retroreflecting optical construction are in physical contact with each other. | 10-21-2010 |
20100270542 | Solution Processable Organic Semiconductors - Semiconductor devices, methods of making semiconductor devices, and coating compositions that can be used to provide a semiconductor layer within a semiconductor device are described. The coating compositions include a small molecule semiconductor, an insulating polymer, and an organic solvent that can dissolve both the small molecule semiconductor material and the insulating polymer. The small molecule semiconductor is an anthracene-based compound (i.e., anthracene derivative) substituted with two thiophene groups as well as with two silylethynyl groups. | 10-28-2010 |
20110079775 | Solution Processable Organic Semiconductors - Semiconductor material, compositions containing the semiconductor material, semiconductor devices containing the semiconductor material, and methods of making semiconductor devices containing the semiconductor material are described. More specifically, the semiconductor material is a small molecule semiconductor that is an anthracene-based compound (i.e., anthracene derivative) that is substituted with two silylethynyl groups as well as two electron donating groups. | 04-07-2011 |
20110124797 | Acrylic Pressure-Sensitive Adhesives with Aziridinyl-Epoxy Crosslinking System - A pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and a crosslinking system comprising an aziridine crosslinking agent and epoxy-functional (meth)acryloyl monomer, which when crosslinked, provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles. | 05-26-2011 |
20110152445 | (METH)ACRYLOYL-AZIRIDINE CROSSLINKING AGENTS AND ADHESIVE POLYMERS - Described is a pre-adhesive, curable composition comprising an acid-functional (meth)acrylate copolymer and a novel (meth)acryloyl-aziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive composition. | 06-23-2011 |
20110178248 | CROSSLINKABLE ACRYLATE ADHESIVE POLYMER COMPOSITION - A pre-adhesive syrup copolymer composition comprising an acid functional acrylate solute copolymer, a monomer solvent mixture, and a polyaziridine crosslinking agent is disclosed. | 07-21-2011 |
20110288227 | POLYMERIZABLE IONIC LIQUID COMPOSITIONS - The compositions comprise an acid functional monomer or acid-functional copolymer (or conjugate base thereof), and an imidazole compound (or conjugate acid thereof). | 11-24-2011 |
20120101184 | COMPOSITIONS AND ARTICLES COMPRISING POLYMERIZABLE IONIC LIQUID MIXTURE, AND METHODS OF CURING - Presently described are curable compositions comprising a mixture of at least one (e.g. free-radically) polymerizable ionic liquid and at least one other ethylenically unsaturated monomer, oligomer, or polymer. The polymerizable ionic liquid is characterized as having an air to nitrogen curing exotherm ratio of at least 0.70. Also described are articles and methods of making articles from such curable compositions. A monofunctional polymerizable ionic liquid is also described comprising a non-polymerizable substituted imidazolium cationic group and a polymerizable sulfonate anion. | 04-26-2012 |
20120149800 | POLYMERIZABLE IONIC LIQUID COMPRISING MULTIFUNCTIONAL CATION AND ANTISTATIC COATINGS - A multifunctional polymerizable ionic liquid is described comprising an anion and a cationic group having at least two ethylenically unsaturated polymerizable groups, each bonded to the cationic group via a divalent non-alkyl linking group. The multifunctional linking groups independently comprise a heteroatom such as oxygen or nitrogen. The linking groups may independently comprise one or more linkages such as an amide, urea, or ether linkage and more typically a urethane or ester linkage. The ethylenically unsaturated polymerizable groups are typically (meth)acrylate groups. Coatings and coated articles are also described. | 06-14-2012 |
20120216953 | PRESSURE SENSITIVE ADHESIVE COMPRISING BLEND OF SYNTHETIC RUBBER AND FUNCTIONALIZED SYNTHETIC RUBBER BONDED TO AN ACYLIC POLYMER - A pressure sensitive adhesive composition is described comprising unfunctionalized (e.g. polyisobutylene) synthetic rubber and an acrylic polymer having functionalized polyisobutylene polymer bonded to the acrylic polymer. In some embodiments, the functionalized polyisobutylene polymer has a first functional group hydrogen bonded with a second functional group present in the acrylic polymer backbone. In other embodiments, the functionalized polyisobutylene polymer is covalently bonded to the acrylic polymer backbone. Also described are adhesive articles, such as a tape, methods of adhesively bonding, and methods of making a pressure sensitive adhesive. | 08-30-2012 |
20120276503 | CURABLE DENTAL COMPOSITIONS AND ARTICLES COMPRISING POLYMERIZABLE IONIC LIQUIDS - Presently described are curable dental compositions comprising a polymerizable ionic liquid. The polymerizable ionic liquid comprises one or more ethylenically unsaturated (e.g. free-radically polymerizable) groups. Various embodiments of curable dental compositions are described. In some embodiments, the polymerizable ionic liquid is a monofunctional polymerizable ionic liquid comprising an ethylenically unsaturated group. In other embodiments, the polymerizable ionic liquid is a multi-functional polymerizable ionic liquid comprising at least two ethylenically unsaturated groups. The curable dental compositions describe herein can be utilized as dental primers, dental adhesives, dental sealants, and dental composites. In many embodiments, the curable dental compositions further comprise an initiator such as a photoinitiator. | 11-01-2012 |
20120285618 | PRESSURE SENSITIVE ADHESIVE COMPRISING FUNCTIONALIZED POLYISOBUTYLENE HYDROGEN BONDED TO ACYLIC POLYMER - A pressure sensitive adhesive composition is described comprising a polyisobutylene polymer having a first functional group and an acrylic polymer having a second functional group present in the acrylic polymer backbone. The first and second functional groups form a hydrogen bond. In some embodiments, the adhesive composition further comprises a crosslinker that covalently crosslinks the second functional group(s) present in the polymer backbone of the acrylic polymer. Also described are adhesive articles, such as a tape, methods of adhesively bonding, and methods of making a pressure sensitive adhesive. | 11-15-2012 |
20130059975 | POLYMERIZABLE IONIC LIQUID COMPRISING AROMATIC CARBOXYLATE ANION - Presently described are polymerizable ionic liquids comprising a cation and an aromatic carboxylate anion; wherein the cation, anion, or both comprise a free-radically polymerizable group. Also described are curable compositions comprising such polymerizable ionic liquids and at least one other free-radically polymerizable monomer, oligomer, or polymer. | 03-07-2013 |
20130150478 | CROSSLINKABLE ACRYLATE ADHESIVE POLYMER COMPOSITION - A pre-adhesive syrup copolymer composition comprising an acid functional acrylate solute copolymer, a monomer solvent mixture, and a polyaziridine crosslinking agent is disclosed. | 06-13-2013 |
20130224478 | ACICULAR SILICA COATING FOR ENHANCED HYDROPHILICITY/TRANSMITTIVITY - A coated article having a substrate coated with a layer of acicular silica particles is provided. The coating is substantially uniform in thickness, durably adheres to the substrate, and provides antireflection and or hydrophilic surface properties to the substrate. | 08-29-2013 |
20140213726 | POLYMERIZABLE IONIC LIQUID COMPRISING MULTIFUNCTIONAL CATION AND ANTISTATIC COATINGS - A multifunctional polymerizable ionic liquid is described comprising an anion and a cationic group having at least two ethylenically unsaturated polymerizable groups, each bonded to the cationic group via a divalent non-alkyl linking group. The multifunctional linking groups independently comprise a heteroatom such as oxygen or nitrogen. The linking groups may independently comprise one or more linkages such as an amide, urea, and more typically a urethane or ester linkage. The ethylenically unsaturated polymerizable groups are typically (meth)acrylate groups. Coatings and coated articles are also described. | 07-31-2014 |
20140322550 | COMPOSITIONS AND ARTICLES COMPRISING POLYMERIZABLE IONIC LIQUID MIXTURE, AND METHODS OF CURING - Presently described are curable compositions comprising a mixture of at least one (e.g. free-radically) polymerizable ionic liquid and at least one other ethylenically unsaturated monomer, oligomer, or polymer. The polymerizable ionic liquid is characterized as having an air to nitrogen curing exotherm ratio of at least 0.70. Also described are articles and methods of making articles from such curable compositions. A monofunctional polymerizable ionic liquid is also described comprising a non-polymerizable substituted imidazolium cationic group and a polymerizable sulfonate anion. | 10-30-2014 |
20140377717 | CURABLE DENTAL COMPOSITIONS AND ARTICLES COMPRISING POLYMERIZABLE IONIC LIQUIDS - Presently described are curable dental compositions comprising a polymerizable ionic liquid. The polymerizable ionic liquid comprises one or more ethylenically unsaturated (e.g. free-radically polymerizable) groups. Various embodiments of curable dental compositions are described. In some embodiments, the polymerizable ionic liquid is a monofunctional polymerizable ionic liquid comprising an ethylenically unsaturated group. In other embodiments, the polymerizable ionic liquid is a multifunctional polymerizable ionic liquid comprising at least two ethylenically unsaturated groups. The curable dental compositions describe herein can be utilized as dental primers, dental adhesives, dental sealants, and dental composites. In many embodiments, the curable dental compositions further comprise an initiator such as a photoinitiator. | 12-25-2014 |
20150049384 | RETROREFLECTING OPTICAL CONSTRUCTION - Retroreflecting optical constructions are disclosed. A disclosed retroreflecting optical construction includes a retroreflecting layer that has a retroreflecting structured major surface, and an optical film that is disposed on the retroreflecting structured major surface of the retroreflecting layer. The optical film has an optical haze that is not less than about 30%. Substantial portions of each two neighboring major surfaces in the retroreflecting optical construction are in physical contact with each other. | 02-19-2015 |