Patent application number | Description | Published |
20150087737 | Hydrophilic Polyurethane Foam for Liquid Based Cleaning Applications - A reaction system for forming a hydrophilic polyurethane foam for liquid based cleaning applications includes a composition that has a prepolymer component and an aqueous component. The prepolymer component is a reaction product of an isocyanate component that includes diphenylemethane diisocyanate (MDI) and a polyol component that includes a polyoxyethylene-polyoxypropylene polyol that has an polyoxyethylene content greater than 65 wt %, based on a total weight of the polyoxyethylene-polyoxypropylene polyol. The aqueous component includes at least 60 wt % of water and at least 0.5 wt % of a surfactant, based on a total weight of the aqueous component. A weight ratio of the prepolymer component to the aqueous component in the composition is from 0.5:2 to 2:0.5, the composition has a cream time of less than 20 seconds and a tack free time of less than 7 minutes, and the hydrophilic polyurethane foam for liquid based cleaning applications has a wet tear strength of at least 500 N/m. | 03-26-2015 |
20150218428 | POLYURETHANE BASED INSULATED GLASS SEALANT - Embodiments of the invention provide for polyurethane-based sealants. The sealants include a reaction product of a reaction system which includes at least one isocyanate, and at least one polyester polyol. The polyester polyol includes a reaction product of a polyester reaction mixture which includes one or more hydrophobic monomers, one or more organic diacids or methyl esters thereof, and one or more diols. | 08-06-2015 |
20150218431 | METHOD OF USING A CARBON-MICHAEL COMPOUND - Embodiments of the present disclosure are directed towards using a carbon-Michael compound. As an example, a method of using a carbon-Michael compound to reduce heat transfer can include locating the carbon-Michael compound between a heat provider and a heat receptor, where the carbon-Michael compound is a reaction product of a multifunctional acrylate compound with a multifunctional Michael donor, and the heat provider has a temperature from 100 C to 290 C. | 08-06-2015 |
20150232386 | Composition of Silane-Modified Polymer, Epoxy Resin and Cure Catalyst, and Polymer Concrete Comprising the Composition - Polymer concrete compositions comprising a silane-modified polymer (SMP) composition which comprises a silylated polymer, an epoxy resin, e.g., an epoxy-terminated prepolymer, and a cure catalyst, e.g., tetraethyltetraamine, exhibit good adhesion to wet concrete. | 08-20-2015 |
20150247057 | POLYURETHANE DISPERSION BASED COATINGS HAVING ENHANCED REMOVABILITY - The present invention provides a method for preparing an aqueous polyurethane dispersion comprising a polyurethane polymer, where the method comprises the step of (A) preparing a prepolymer from a reaction mixture comprising: (1) at least one polyisocyanate compound; (2) at least one polyol; and (3) ions of at least one alkali or alkaline earth metal; followed by the step of (B) contacting the prepolymer with a chain extending agent to form the polyurethane polymer. The present invention further provides an aqueous polyurethane dispersion comprising from 30% to 40%, by weight, of solids which comprise the polyurethane polymer and being prepared by the aforesaid method. A coating composition having enhanced removability and which comprises an aqueous polyurethane dispersion prepared according to the aforesaid method is also provided. | 09-03-2015 |
Patent application number | Description | Published |
20100266799 | PREPOLYMERS AND POLYMERS FOR ELASTOMERS - A prepolymer or elastomer is the reaction product of reactants (a) at least one polyester polyol or fatty acid derived polyol which is the reaction product of at least one initiator and a mixture of fatty acids or derivatives of fatty acids comprising at least about 45 weight percent monounsaturated fatty acids or derivatives thereof, (b) optionally, at least one polyol which is different from the polyol of (a); and (c) at least one isocyanate compound (herein after isocyanate) having an average of at least about 1.8 isocyanate groups per molecule. A process comprises admixing reactants (a) at least one polyol composition comprising the fatty acid derived polyol which is the reaction product of at least one initiator and a mixture of fatty acids or derivatives of fatty acids comprising at least about any of 45 weight percent monounsaturated fatty acids or derivatives thereof; and (b) at least one isocyanate having an average functionality of at least about 1.8 under reaction conditions to form a reaction product which is an elastomer or prepolymer is formed therefrom. An article, coating or thermoplastic polyurethane comprises the elastomer is formed from the prepolymer of or using the process of the invention. | 10-21-2010 |
20110015292 | PREPOLYMERS MADE FROM NATURAL OIL BASED POLYOLS - A prepolymer and products made from the preopolymer is described. The prepolymer includes the reaction product of at least one isocyanate and at least one natural oil based polyol. The natural oil based polyol includes at least two natural oil moieties separated by a molecular structure having an average of at least about 19 ether groups between any 2 of the natural oil moieties or by a polyether molecular structure having an equivalent weight of at least about 480. | 01-20-2011 |
20110015293 | POLYETHER NATURAL OIL POLYOLS AND POLYMERS THEREOF - A polyether NOP comprises at least two natural oil moieties separated by a molecular structure having at least about 19 ether groups or by a polyether molecular structure having an equivalent weight of at least about 480, said polyol referred to hereinafter as a polyether NOP. The polyether NOP is preferably prepared by a process comprising admixing at least one polyether initiator having an equivalent weight of at least about 480 or at least about 19 ether groups per active hydrogen group with at least one natural oil or derivative thereof under reaction conditions such that at least one polyether NOP is formed. The invention includes reaction products of the polyether NOP or combinations thereof, optionally and preferably in admixture with at least one other polyol which preferably includes at least one polyether polyol and at least one monomer reactive therewith, preferably at least one polyisocyanate to form a polyurethane, preferably in the form of a foam, especially a high resilience foam. The invention includes articles comprising at least one polyether NOP, at least one polymer thereof, or at least one foam thereof. | 01-20-2011 |
20120238654 | Process to Prepare Open Cell Foams Made with Natural Oil Based Polyols and Poly(Propylene Oxide) Polyols - Methods of forming olyurethane foams that are the reaction product of at least one polyisocyanate and a polyol composition are provided. The polyol composition includes at least one natural oil based polyol and at least one poly(propylene oxide) polyol and is desirably free of non-natural oil based polyols made from alkylene oxide units, other than propylene oxide units. The natural oil based polyol is present in a quantity sufficient to increase the processing window for the foam relative to a foam made using the same process and the same components, absent the natural oil based polyol. As a result, the present foams can provide very open-cellular structures with the superior performance properties of a poly(propylene oxide) polyol-based foam. | 09-20-2012 |
20120253001 | Polyurethane-Based Sealant for Insulated Glass Units - Insulated glass units are sealed with polyurethane made using a natural oil-based polyol (NOBP). In one embodiment the NOBP is made using a monol-rich monomer containing high levels of mono-hydroxy functional fatty acid methyl esters. Insulated glass sealants based on these compounds provide enhanced resistance to UV and oxidative degradation as compared to conventional products while still providing the required barrier and mechanical properties. | 10-04-2012 |
20130096274 | SILYL-TERMINATED POLYMERS - Embodiments of the invention provide for compositions including a crosslinkable silane-terminated polymer having at least one crosslinkable silyl group in each molecule. The crosslinkable silane-terminated polymer comprises a reaction product of at least a isocyanate capped hydrosilylated polymer and a polyol having a nominal functionality of at least 2 which is at least one of a polycarbonate polyol, a natural oil based polyol, a polyoxyalkyleneamine, a difunctional aromatic amine, a polybutyloxide polyether polyol, and a polytetramethylene glycol. | 04-18-2013 |
20140191156 | CYCLIC CARBONATE MONOMERS AND POLYMERS PREPARED THEREFROM - A cyclic carbonate monomer including the reaction product of (a) a divinylarene dioxide, and (b) carbon dioxide; a process for making the cyclic carbonate monomer; and a polymer such as a poly(hydroxyurethane) composition made therefrom. The poly(hydroxyurethane) composition made from the above cyclic carbonate monomer forms a reactive intermediate that can be used for making, for example, a poly(hydroxyurethane) foam product. | 07-10-2014 |
Patent application number | Description | Published |
20090286304 | ENZYMATIC DIGESTION OF TISSUE - The present invention concerns a compositions and method for isolating a nucleic acid from a cell-containing sample. There is disclosed a method comprising obtaining at least one cell-containing sample, which comprises a cell containing nucleic acid, obtaining at least one catabolic enzyme, obtaining at least one nuclease inhibitor, preparing an admixture of the sample, the catabolic enzyme, and the nuclease inhibitor, maintaining the admixture under conditions where the catabolic enzyme is active, and agitating the admixture, where the sample is digested to produce a nucleic acid-containing lysate of the sample. | 11-19-2009 |
20100203597 | RECOMBINANT REVERSE TRANSCRIPTASES - The present invention relates to a gene that encodes a hyperactive reverse transcriptase having DNA polymerase activity and substantially reduced RNase H activity, vectors containing the gene and host cells transformed with the invention. The present invention also includes a method of producing the hyperactive reverse transcriptase, producing cDNA from mRNA using the reverse transcriptase of the invention, kits and assay templates made using the hyperactive reverse transcriptase. | 08-12-2010 |
20110318811 | COMPOSITIONS AND METHODS OF USING A SYNTHETIC DNASE I - Compositions and method for making and using a synthetic bovine DNase I are disclosed. More particularly, the sbDNase I of the present invention is a versatile enzyme that cleaves DNA nonspecifically to release 5′-phosphorylated nucleotides. The sbDNase I molecules of the present invention find particular use in a wide range of molecular biology applications, including: degradation of contaminating DNA after RNA isolation; RNA clean-up prior to, or in conjunction with, RT-PCR after in vitro transcription; identification of protein binding sequences on DNA (DNase I footprinting); prevention of clumping when handling cultured cells; tissue dissociation and creation of fragmented DNA for in vitro recombination reactions. | 12-29-2011 |
20130189758 | RECOMBINANT REVERSE TRANSCRIPTASES - The present invention relates to a gene that encodes a hyperactive reverse transcriptase having DNA polymerase activity and substantially reduced RNase H activity, vectors containing the gene and host cells transformed with the invention. The present invention also includes a method of producing the hyperactive reverse transcriptase, producing cDNA from mRNA using the reverse transcriptase of the invention, kits and assay templates made using the hyperactive reverse transcriptase. | 07-25-2013 |
20130302810 | MODIFIED SURFACES AS SOLID SUPPORTS FOR NUCLEIC ACID PURIFICATION - The invention relates to methods of separating polynucleotides, such as DNA, RNA and PNA, from solutions containing polynucleotides by reversibly binding the polynucleotides to a solid surface, such as a magnetic microparticle. | 11-14-2013 |
20140024035 | COMPREHENSIVE FMR1 GENOTYPING - Disclosed herein are methods for the automated reconstruction of a genotype of a gene, fragment, or genomic region using exhaustive enumeration. The methods can be used to reconstruct the genotype of any GC-rich sequence, such as the CGG repeat region in the 5′ UTR of FMR1 or the CCG repeat region in the 5′ UTR of FMR2. Also disclosed is an apparatus for use in conducting automated genotype reconstruction, as well as methods of diagnosis and treatment using exhaustive enumeration methods to reconstruct and identify genotypes associated with a disease or disorder. | 01-23-2014 |
Patent application number | Description | Published |
20080223962 | Biological Sample Disruption Techniques - Improved ball mill disruption techniques. In different embodiments, disrupting particles that are not substantially spherical are used. In other embodiments, roughened disrupting particles are used. In other embodiments, larger disrupting particles are used. In each instance, improved disruption can be achieved. | 09-18-2008 |
20080274458 | NUCLEIC ACID QUANTITATION METHODS - The invention relates to a method of determining the amount of a target nucleic acid sequence in a sample, the method comprising: obtaining multiple distinguishable amplicons of the target nucleic acid sequence, each comprising a distinguishing tag and a target portion; amplifying the amplicons in a single reaction volume; and detecting nucleic acids amplified from the amplicons. Detection of the distinguishable amplicons can be varied in each of the steps of the method, which expands the dynamic range of the nucleic acid quantification methods and improves the reliability and accuracy of the methods. | 11-06-2008 |
20090075258 | Methods of Normalization in microRNA Detection Assays - This application describes methods of quantifying a target miRNA in a biological sample by measuring the amounts of a target miRNA and at least one reference oncomir in a reaction volume, and normalizing the amount of target miRNA to the amount of one or more reference oncomirs. | 03-19-2009 |
20090186015 | MICRORNAS DIFFERENTIALLY EXPRESSED IN LUNG DISEASES AND USES THEREOF - The present invention concerns methods and compositions for identifying a miRNA profile for a particular condition, such as lung cancer, and using the profile in assessing the condition of a patient. | 07-23-2009 |
20100209970 | METHOD OF AMPLIFICATION OF GC-RICH DNA TEMPLATES - Methods are provided for increasing the processivity of DNA polymerases on GC-rich templates. The methods relate to providing enhancers and biased ratios of dNTPs, and may be used in DNA amplification reactions. The methods are useful for detecting genotypes associated with GC-rich repeats, including Fragile X Syndrome. | 08-19-2010 |
20100243451 | PCR METHODS FOR CHARACTERIZING THE 5' UNTRANSLATED REGION OF THE FMR1 AND FMR2 GENES - This disclosure relates to methods of determining the presence and position of AGG or interruptor elements within a trinucleotide (for example, CGG) repeat region, and to methods of determining the number of repeats present in this region, by amplifying a set of products with a set of primers of which at least one comprises a portion of the CGG repeat region, and resolving the products to produce a representation of product size and abundance. | 09-30-2010 |
20120107824 | mPCR Methods for Analyzing Repeat Sequences - Methods are provided for determining the methylation status of GC-rich templates. The methods include use of GC reference standards that allow simultaneous characterization of methylation status and CGG repeat length. The methods are useful for detecting genotypes associated with GC-rich repeats, including Fragile X Syndrome. | 05-03-2012 |
20140248625 | PCR METHODS FOR CHARACTERIZING THE 5' UNTRANSLATED REGION OF THE FMR1 AND FMR2 GENES - This disclosure relates to methods of determining the presence and position of AGG or interruptor elements within a trinucleotide (for example, CGG) repeat region, and to methods of determining the number of repeats present in this region, by amplifying a set of products with a set of primers of which at least one comprises a portion of the CGG repeat region, and resolving the products to produce a representation of product size and abundance. | 09-04-2014 |
Patent application number | Description | Published |
20090121861 | Detecting, deterring security system - A security system used to detect, deter, and/or document security events and information from a secured area. The security system may include an intelligence system for distinguishing between false alarms and actual alarm events. The security system may also include multiple deter devices actionable upon detection of an actual alarm event. The security system may further include a security event data collection system that collects event or alarm data pertaining to security events either onsite or remote and a video/camera system that records images of security events. | 05-14-2009 |
20090122143 | Security system and network - A security system and network used to detect and deter adverse events in an area to be secured. The security system may include an operator for supervising the area, and a wireless communication system for transceiving data indicative of detection events received from the secured area, wherein the operator can determine if a deter device is to be actuated based on the data. The security system may include an intelligence system for distinguishing between false alarms and actual alarm events, for also actuating a deter device, and for notifying operators. The security system and network may also include a plurality of areas to be secured, wherein each area is serviced by a different wireless hub within the wireless communication system. | 05-14-2009 |
20090122144 | Method for detecting events at a secured location - A method for detecting events/activities at a secured location in which the security method may include an operator and/or determination application for supervising the location, and a transmission network for transceiving data indicative of determined activities of the secured location, wherein the determination application and the operator can initiate a deter device in response to adverse activities. The determination application of the security method may include an intelligence system for distinguishing between normal and adverse conditions. The method may also include an application for the transfer of activity data to a storage device in which operator(s) may access the stored data. | 05-14-2009 |
20140360660 | METHOD AND APPARATUS FOR CONTINUOUS PRODUCTION OF BALLOONS, AIRSHIPS, INFLATABLE STRUCTURAL MEMBERS AND OTHER INFLATABLE STRUCTURES - An automated manufacturing method of balloons and sheet based articles includes layering a second sheet over a first sheet, the layered first and second sheets form a first layer section. The first layer section is moved relative to a cutting and joining assembly. The first layer section is cut and joined into article sections with the cutting and joining assembly. Cutting and joining includes scribing the cutting and joining assembly along a scribing line across the moving first layer section, and joining the first article portions of the first and second sheets along the scribing line with the cutting and joining assembly to form a first plurality of article sections. Cutting and joining further includes cutting the first layer section according to scribing and moving along the scribing line, each of the first and second sheets cut into the first article portions facing each other. | 12-11-2014 |
Patent application number | Description | Published |
20090121861 | Detecting, deterring security system - A security system used to detect, deter, and/or document security events and information from a secured area. The security system may include an intelligence system for distinguishing between false alarms and actual alarm events. The security system may also include multiple deter devices actionable upon detection of an actual alarm event. The security system may further include a security event data collection system that collects event or alarm data pertaining to security events either onsite or remote and a video/camera system that records images of security events. | 05-14-2009 |
20090122143 | Security system and network - A security system and network used to detect and deter adverse events in an area to be secured. The security system may include an operator for supervising the area, and a wireless communication system for transceiving data indicative of detection events received from the secured area, wherein the operator can determine if a deter device is to be actuated based on the data. The security system may include an intelligence system for distinguishing between false alarms and actual alarm events, for also actuating a deter device, and for notifying operators. The security system and network may also include a plurality of areas to be secured, wherein each area is serviced by a different wireless hub within the wireless communication system. | 05-14-2009 |
20090122144 | Method for detecting events at a secured location - A method for detecting events/activities at a secured location in which the security method may include an operator and/or determination application for supervising the location, and a transmission network for transceiving data indicative of determined activities of the secured location, wherein the determination application and the operator can initiate a deter device in response to adverse activities. The determination application of the security method may include an intelligence system for distinguishing between normal and adverse conditions. The method may also include an application for the transfer of activity data to a storage device in which operator(s) may access the stored data. | 05-14-2009 |