Class / Patent application number | Description | Number of patent applications / Date published |
528028000 | Organic Si-free reactant is a nitrogen-containing compound | 23 |
20080249277 | Polyurethane elastomer for cleaning blade of electronic copying machine - A polyurethane elastomer useful as a cleaning blade of an electronic copying machine having a small temperature dependency over a wide range of atmospheric temperatures is produced by reacting (1) a polyol component, (2) a chain extender, and (3) an isocyanate component. The polyol component includes a bifunctional silicone oil having hydroxyl groups at both ends and containing an ester group. The isocyanate component includes an aromatic isocyanate. The silicone oil content of the elastomer is from 5.0 to 50% by weight, based on the weight of the polyurethane elastomer. In a preferred embodiment, the polyurethane elastomer is produced from a polyol component which includes a polycaprolactone ester polyol and a silicone oil having hydroxyl groups at both ends which also contains an ester group. | 10-09-2008 |
20080269452 | PRIMER ADHESION PROMOTORS, COMPOSITIONS AND METHODS - A composition and method for bonding to a substrate. In general applied to a substantially transparent substrate will be a primer composition that includes a reaction product prepared by the reaction of at least one isocyanate including a thiophosphate with an amino-silane, a mercapto-silane, or a combination thereof. | 10-30-2008 |
20080319153 | FLUOROCHEMICAL URETHANE COMPOUNDS AND AQUEOUS COMPOSITIONS THEREOF - Fluorochemical urethane compounds and coating compositions derived therefrom are described. The compounds and composition may be used in treating substrates, in particular substrates having a hard surfaces such as ceramics or glass, to render them hydrophilic, oleophobic and easy to clean. | 12-25-2008 |
20090076238 | Mono-or Poly-Quarternary Polysiloxanes - Monoquaternary or polyquaternary polysiloxanes are useful as surface finishing components, for example, in cosmetic formulas for skin and hair care, in polishes for the treatment of hard surfaces, in formulas for the drying of automobiles and other hard surfaces after machine washing, for the treatment of textiles and textile fibers, as separate softeners for textiles following the washing whereof with nonionic or anionic/non-ionic detergent formulas, or as softeners in formulas for textile washing based on non-ionic or anionic/non-ionic surfactants, whereby amino groups are used in the form of amines or amine salts as a function of pH value. | 03-19-2009 |
20090099328 | Hydrophobically Modified Polyamine Scale Inhibitors - Hydrophobically modified Si-containing polyamines are useful for treating scale in industrial process streams. Preferred hydrophobically modified Si-containing polyamines are particularly useful for treating aluminosilicate scale in difficult-to-treat industrial process streams, such as in the Bayer alumina process streams, nuclear waste streams and kraft paper mill effluent streams | 04-16-2009 |
20090118455 | SILOXANE-CONTAINING POLYURETHANE-UREA COMPOSITIONS - An improved biostable polyurethane-urea elastomeric composition derived from a silicon-containing diamine of formula (I). | 05-07-2009 |
20090156774 | METHOD FOR PRODUCING SILOXANE COPOLYMERS - Siloxane copolymers are prepared stepwise by reacting an aminoalkyldiorganoalkoxysilane with a di- or polyisocyanate to form an alkoxysilyl-terminated urea compound, and the urea compound or its reaction product with water is subsequently reacted with a di- or polysilanol-functional polymer to form a copolymer. | 06-18-2009 |
20090198034 | PROCESS FOR THE PRODUCTION OF HIGH-MOLECULAR-WEIGHT ORGANOPOLYSILOXANES - High-molecular-weight siloxane polymers are prepared in a multi-step process wherein an Si—H functional linear siloxane containing silanol groups is reacted with a hydrosilylatable organic compound, and the product is then condensed. | 08-06-2009 |
20100022739 | Impression Compounds - The present invention relates to impression compounds based on polyether derivatives, a process for their production and their use. | 01-28-2010 |
20100137547 | NOVEL AMIDE GROUP-CONTAINING SILOXANE AMINE COMPOUND - A novel amide group-containing siloxane amine compound, which is useful as a diamine component of a polybenzimidazole resin, a polybenzoxazole resin, and particularly a polyimide resin, which is derived from an amine monomer, has a chemical structure represented by the formula (1). | 06-03-2010 |
20100210808 | METHOD FOR PREPARING POLYSILAZANE SOLUTION WITH REDUCING AMMONIA SUBSTITUTION OF SI-H BOND - The present disclosure relates to a method of preparing polysilazane and a polysilazane solution which can minimize substitution of an Si—H bond of a starting compound by ammonia. Particularly, a method of synthesizing polysilazane using a solution which undergoes phase separation and a method of preparing a polysilazane solution for a wafer are disclosed. The method of preparing polysilazane using halosilane and liquid anhydrous ammonia includes adding liquid anhydrous ammonia to a solvent in a weight ratio of 0.5:1 to 10:1, followed by stirring to prepare a mixture solution, and allowing pseudo-ammonolysis to be carried out by adding halosilane to the mixture solution separated into two phases. | 08-19-2010 |
20100210809 | Polycarbonate And/Or Polyurethane Polyorganosiloxane Compounds - The invention relates to novel polycarbonate- and/or polyurethane-polyorganosiloxane compounds, processes for their preparation, their use, precursors for their preparation and reactive compositions which contain the precursors. | 08-19-2010 |
20100280209 | CURABLE COMPOUND COMPRISING SILYLATED POLYURETHANE - A method for producing a silylated polyurethane including the steps: (A) converting (i) at least polyol compound having a molecular weight of 4,000-30,000 g/mol and at least one monofunctional compound relative to isocyanates and (ii) at least one diisocyanate at a stoichiometric excess of the sum of the polyol compound(s) and monofunctional compound relative to the diisocyanate compound(s), whereby a hydroxyl-terminated polyurethane prepolymer is formed; and (B) converting the polyurethane prepolymer and one or more isocyanate silane(s) of the formula (I): OCN—R—Si—(R1) | 11-04-2010 |
20100292428 | Highly Porous Ceramic Oxide Aerogels Having Improved Flexibility - Ceramic oxide aerogels having improved flexibility are disclosed. Preferred embodiments exhibit high modulus and other strength properties despite their improved flexibility. The gels may be polymer cross-linked via organic polymer chains to further improve strength properties, without substantially detracting from the improved flexibility. Methods of making such aerogels are also disclosed. | 11-18-2010 |
20120277394 | POLYESTER POLYOL, POLYURETHANE, OBTAINED USING THE SAME, PROCESS FOR PRODUCTION THEREOF, AND MOLDED POLYURETHANE - A process for producing a polyurethane, which comprises using a polyester polyol (a-1), a polyether polyol (b), an isocyanate compound (c) and a chain extender (d) as a raw material to produce a polyurethane, wherein the polyester polyol (a-1) is a polyester polyol (a-1) obtained by forming an ester bond between either a carboxyl group of a polycarboxylic acid (i-1) having a polysiloxane framework and a plurality of carboxyl groups or an ester group of a polycarboxylic acid ester (i-2) having a polysiloxane framework and a plurality of ester groups, and a hydroxyl group of a polyether polyol (ii). | 11-01-2012 |
20120296062 | METHOD FOR PRODUCING POROUS SILICON MOLDED BODIES - Thin porous moldings of silicone copolymers, suitable for use as membranes in separation processes, are prepared by forming a solution or suspension of silicone copolymer in two solvents L1 and L2, casting the suspension or solution, and removing solvent L1 to form a silicone copolymer rich phase A, effecting structure formation, and then removing solvent L2 and residues of solvent L2 to form a thin porous molding. | 11-22-2012 |
20130030138 | METHOD FOR PRODUCING ORGANOPOLYSILOXANE COMPOUND - The present invention relates to a method for producing an organopolysiloxane compound having a structure in which a poly(N-acylalkylene imine) segment containing a repeating unit represented by the following general formula (1) is bonded to a terminal end and/or a side chain of an organopolysiloxane segment, the method including the steps of (a) subjecting a cyclic iminoether compound represented by the following general formula (I) to ring opening polymerization in a solvent to prepare a solution of a terminal-reactive poly(N-acylalkylene imine); (b) mixing a modified organopolysiloxane containing an amino group bonded to a terminal end and/or a side chain of a molecular chain thereof with a solvent to prepare a solution of the modified organopolysiloxane; (c) mixing the terminal-reactive poly(N-acylalkylene imine) solution prepared in the step (a) with the modified organopolysiloxane solution prepared in the step (b) to react the amino group contained in the modified organopolysiloxane with the terminal-reactive poly(N-acylalkylene imine); (d) adding a basic substance to a reaction product obtained in the step (c); and (e) removing the solvents from a mixture obtained after the addition in the step (d) at a temperature of from 100 to 200° C.: | 01-31-2013 |
20130158225 | NOVEL SILICON-CONTAINING ALICYCLIC POLYIMIDE RESIN, POLYAMIC ACID RESIN, AND MANUFACTURING METHOD FOR SAME - A polyimide resin including repeating units represented by formula (1): | 06-20-2013 |
20140094584 | POLYDIORGANOSILOXANE POLYAMIDE COPOLYMERS HAVING ORGANIC SOFT SEGMENTS - Polydiorganosiloxane polyamide, block copolymers having organic soft segments and methods of making the copolymers are provided. | 04-03-2014 |
20140343243 | BIOSTABLE POLYURETHANES - The present invention relates to a biostable polyurethane or polyurea comprising: (a) a soft segment comprising a polysiloxane of the general formula (I); and (b) greater than O and less than 40 wt % of a hard segment which is a reaction product of a diisocyanate and a linear difunctional chain extender, processes for their preparation and their use in the manufacture of biomaterials, devices, articles or implants. | 11-20-2014 |
20160096913 | BIOSTABLE POLYURETHANES - The present invention relates to a biostable polyurethane or polyurea comprising: (a) a soft segment comprising a polysiloxane of the general formula (I); and (b) greater than O and less than 40 wt % of a hard segment which is a reaction product of a diisocyanate and a linear difunctional chain extender, processes for their preparation and their use in the manufacture of biomaterials, devices, articles or implants. | 04-07-2016 |
20160200876 | CROSS-LINKED COMPOSITION AND METHOD OF FORMING THE SAME | 07-14-2016 |
20190144598 | POLYISOCYANURATE PLASTIC CONTAINING SILOXANE GROUPS AND METHOD FOR PRODUCTION THEREOF | 05-16-2019 |