| Patent Number |
Title Of Patent |
Date Issued |
| 7335784 |
Method for distillation of organosilicon compounds that contain acryloxy or methacryloxy groups |
February 26, 2008 |
| A method for distillation of organosilicon compounds that contain acryloxy or methacryloxy groups characterized by subjecting an organosilicon compound (A) that contains acryloxy or methacryloxy groups to distillation in the presence of a polymerization inhibitor (B) and a compound ( |
| 7329706 |
Heat-conductive silicone composition |
February 12, 2008 |
| A heat-conductive silicone composition comprising at least (A) an organopolysiloxane, (B) a heat-conductive filler, and (C) a specific organosiloxane. The silicone composition is excellent in handleability, even when it contains a large amount of a heat-conductive filler for the purp |
| 7199205 |
Organopolysiloxane-modified polysaccharide and process for producing the same |
April 3, 2007 |
| An organopolysiloxane-modified polysaccharide prepared by esterification reacting (A) an organopolysiloxane having residual carboxylic anhydride groups and (B) a polysaccharide having hydroxyl groups, wherein the organopolysiloxane is bonded to the polysaccharide through half ester g |
| 6455640 |
Method for producing basic amino acid-modified organopolysiloxane |
September 24, 2002 |
| A method for producing a basic amino acid-modified organopolysiloxane comprising reacting (A) a basic amino acid with (B) an organopolysiloxane having carboxylic anhydride groups bonded to silicon atoms. |
| 6448360 |
Process for the production of cyclic siloxane |
September 10, 2002 |
| A process for the production of a cyclic siloxane described by formulacomprising reacting in the presence of an alkali catalyst a siloxane mixture comprising a silane or a linear siloxane described by general formulaand a cyclic siloxane described by general formulawhere R.sup.1 is an alkeny |
| 6417309 |
Curable organosiloxane composition |
July 9, 2002 |
| A curable organosiloxane composition comprising: (A) an organopolysiloxane having at least two silicon atom-bonded alkenyl groups per molecule; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms per molecule; (C) a compound having an alkenyl group and a phen |
| 6407275 |
Method for synthesizing 1,3-dihydroxytetramethyldisiloxane |
June 18, 2002 |
| A method for synthesizing 1,3-dihydroxytetramethyldisiloxane comprising effecting the hydrolytic dehydrogenation of 1,1,3,3-tetramethyldisiloxane in the presence of water and a transition metal catalyst from Group VIII of the long-period form of the Periodic Table. |
| 6376635 |
Oligosiloxane and method of preparing same |
April 23, 2002 |
| An oligosiloxane having the formula (R.sup.1 O).sub.a Si(OSiR.sup.2.sub.2 R.sup.3).sub.4-a wherein R.sup.1 is alkyl; each R.sup.2 is independently selected from C.sub.1 to C.sub.10 monovalent hydrocarbyl free of aliphatic unsaturation; R.sup.3 is hydrocarbly free of aliphatic unsaturatio |
| 6376601 |
High-refractive-index optical silicone oil and high-refractive-index optical silicone oil mixtur |
April 23, 2002 |
| A high-refractive-index optical silicone oil comprising a pentasiloxane having the formula RMe.sub.2 SiO(Me.sub.2 SiO).sub.3 SiMe.sub.2 R wherein Me is methyl, each R is independently a C.sub.8 to C.sub.12 aralkyl, and the silicone oil has a refractive index of from 1.45 to 1.50 at 25.de |
| 6369185 |
Curable organopolysiloxane composition, cured products formed therefrom and unified articles |
April 9, 2002 |
| A curable organopolysiloxane composition, comprising (A) an organopolysiloxane containing an average of at least 2 alkenyl groups and at least 2 silicon-bonded hydrogen atoms per molecule; (B) a compound containing alkenyl and hydroxyphenyl groups in each molecule, and (C) a hydrosil |
| 6307081 |
Hyperbranched polymers and methods for the preparation, cure, and stabilization thereof |
October 23, 2001 |
| This invention relates to a macromonomer and a method for its preparation. The macromonomer has one or more silicon-bonded hydrogen atoms at one molecular chain terminal, and one or more aliphatically unsaturated silicon-bonded organic groups at the other molecular chain terminal. This |
| 6306992 |
Carbosiloxane dendrimer and dendrimer-containing organic polymers |
October 23, 2001 |
| A novel carbosiloxane dendrimer is disclosed containing a radically polymerizable group in the molecule and which possesses excellent polymerization reactivity. The carbosiloxane dendrimer can be used to provide organic polymers as afforded by the polymerization of the carbosiloxane |
| 6265516 |
Anti-staining additive and room-temperature-curable polyorganosiloxane composition |
July 24, 2001 |
| An anti-staining additive comprising a higher unsaturated aliphatic acid ester-modified organosilicon compound that is produced by carrying out an addition reaction between(a) a higher unsaturated aliphatic acid ester that contains more than one aliphatically unsaturated bond in each mol |
| 6252029 |
Hydroxyphenyl group-containing organosilicon compound, and method for manufacturing same |
June 26, 2001 |
| This invention relates to a hydroxyphenyl group-containing organosilicon compound of the formula: ##STR1##where X is an alkenyl group; Z is a phenylene group or a carbonyloxy group expressed by --C(O)O-1, Y is a substituted or unsubstituted hydroxyphenyl group, R.sup.1 is a hydrocarb |
| 6197988 |
Method for purifying 3-methacryloxypropyldimethylhalosilanes or 3-methacryloxypropyl methyldihal |
March 6, 2001 |
| A method for purifying 3-methacryloxypropyldimethylhalosilanes or 3-methacryloxypropylmethyldihalosilanes which is characterized by the fact that 1-methyl-2-methacryloxyethyldimethylhalosilanes or 1-methyl-2-methacryloxyethylmethyldihalosilanes contained in products or fractions cons |
| 6172252 |
Pheno-functional organosilicon compounds and method for the preparation |
January 9, 2001 |
| ##STR1##wherein A is hydrogen or a residue afforded by the removal of n hydroxyl groups from an m-valent alcohol, each R is independently a monovalent hydrocarbon group free of aliphatic unsaturation, each R.sup.1 is independently a divalent hydrocarbon group containing at least 2 carbon |
| 6156437 |
Curable compositions using siloxane grafted vinyl polymers |
December 5, 2000 |
| A curable composition, comprising a siloxane grafted vinyl polymer as its main component, reacts with an organic silicon compound having silicon-bonded hydrogen atoms in the presence of a hydrosilylation catalyst to form a peelable cured coating film. The siloxane grafted vinyl polym |
| 6140525 |
Hyperbranched polymers and methods for the preparation thereof |
October 31, 2000 |
| This invention relates to a macromonomer and a method for its preparation. The macromonomer has silicon-bonded hydrogen atoms at one molecular chain terminal, and aliphatically unsaturated silicon-bonded organic groups at the other molecular chain terminal. This invention further related |
| 6133394 |
Method for the preparation of organofunctional organopentasiloxane, organic resin modifier and o |
October 17, 2000 |
| A method for preparaing of an organofunctional organopentasiloxane which finds utility as a modifier for organic resins is disclosed, said method comprising:(I) reacting(A) a cyclotrisiloxane and(B) an .alpha.,.omega.-dihydrogendiorganodisiloxane in the presence of an(C) acid catalyst to pre |
| 6072013 |
Silicone-grafted vinyl polymer and method for the preparation thereof |
June 6, 2000 |
| There is disclosed a silicone-grafted vinyl polymer and a method for the preparation thereof, said polymer having grafted silicone side chains of the formula: ##STR1## as well as grafted silicone side chains of the formula: ##STR2## wherein R independently represents a monova |
| 6063887 |
1-acyloxy-organotetrasiloxane and production method for the preparation of the same |
May 16, 2000 |
| A 1-acyloxy-organotetrasiloxane represented by the general formula: ##STR1## wherein R.sup.1 is a monovalent organic group containing an acryloyloxy group or a monovalent organic group containing a methacryloyloxy group, and R.sup.2 is a monovalent hydrocarbon group, and a process fo |
| 6013822 |
Method for the preparation of high-purity methacryloxypropyldimethylchlorosilane |
January 11, 2000 |
| A method for preparing high-purity methacryloxypropyidimethylchlorosilane is disclosed, said method comprising mixing (A) a methacryloxypropyldimethylchlorosilane which contains an Si-bonded methacryloxy-functional organosilicon compound as an impurity with (B) an inorganic chloride, |
| 5939507 |
Method for manufacturing siloxane compounds |
August 17, 1999 |
| A method for manufacturing a siloxane compound described by formula R.sup.1.sub.m Si{OSi(CH.sub.3).sub.2 H}.sub.(4-m) comprising reacting a silane compound or condensation product of a silane compound described by formula R.sup.1.sub.m Si(OR.sup.2).sub.(4-m), where R.sup.1 is selected |
| 5914418 |
Polymerization inhibitor for acrylic-functional silanes |
June 22, 1999 |
| A method for inhibiting polymerization of acrylic-functional silanes comprising forming a mixture comprising an acrylic-functional silane and a polymerization inhibitor described by formula ##STR1## where n is 0 or 1; M is an atom selected from a group consisting of N, P, As, Sb, |
| 5912371 |
Method for preparing fatty acid chlorides |
June 15, 1999 |
| A method for preparing fatty acid chlorides. The method comprises reacting a silylation product of a fatty acid comprising at 1east 2 aliphatically unsaturated bonds per molecule and a chlorinating agent. |
| 5874602 |
Process for the preparation of radically polymerizable group-functional silanol compounds |
February 23, 1999 |
| A process for preparing a compound having the formula ##STR1## is disclosed, said process comprising hydrolyzing an organosilicon compound of the formula ##STR2## wherein X is a radically polymerizable group-functional organic group, R.sup.1 is independently selected from mon |
| 5856545 |
Method for preparation of organopentasiloxane |
January 5, 1999 |
| A process for the production of organopentasiloxane represented by the general formula: ##STR1## wherein R.sup.1 is an acryloyloxy-containing monovalent organic group or a methacryloyloxy-containing monovalent organic group; R.sup.3 is a monovalent hydrocarbon group; X is a hydro |
| 5847178 |
Method for purifying 3-methacryloxypropyldimethylhalosilanes and 3-methacryloxypropylmethyldihal |
December 8, 1998 |
| A method for purifying 3-methacryloxypropyldimethylhalosilanes or 3-methacryloxypropyl methyldihalosilanes which is characterized by the fact that 1-methyl-2-methacryloxyethyldimethyl halosilanes or 1-methyl-2-methacryloxyethylmethyldihalosilanes contained in products or fractions co |
| 5811565 |
Method for purifying 3-methacryloxypropyldimethylhalosilanes and 3-methacryloxypropylmethyldihal |
September 22, 1998 |
| A method for purifying 3-methacryloxypropyl-dimethylhalosilane or 3-methacryloxypropylmethyldihalosilane comprising adding (A) a Lewis acid halide to (B) 3-methacryloxypropyldimethylhalosilane or 3-methacryloxypropyl-methyldihalosilane obtained from an addition reaction of (a) allyl |
| 5750587 |
Radiation curable silicone release coating compositions |
May 12, 1998 |
| The present invention relates to a radiation curable silicone release coating composition comprising (A) an alicyclic epoxy-functional silicone graft copolymer, (B) an organic compound having at least 2 alicyclic epoxy groups, and (C) a photocuring catalyst. The compositions of this inve |
| 5726271 |
Hydroxyphenyl-containing polyorganosiloxanes |
March 10, 1998 |
| The present invention relates to a hydroxyphenyl-functional polyorganosiloxane compound having the formula ##STR1## wherein R is independently a monovalent hydrocarbon group free of aliphatic unsaturation, A is a substituted or unsubstituted hydroxyphenyl group, B is selected fro |
| 5723643 |
Method for the preparation of acryloxy- or methacryloxy-functional organosilicon compounds |
March 3, 1998 |
| A method to make high-purity acryloxy- or methacryloxy-functional organosilicon compounds in high yields by inhibiting gelation of the reaction product during preparation. The method comprises (A) reacting an acrylate or methacrylate ester of an alcohol comprising an aliphatically un |
| 5686641 |
Method for the preparation of organopentasiloxanes |
November 11, 1997 |
| A method for the preparation of very pure organopentasiloxane having the hydrogen atom or an aliphatically unsaturated monovalent hydrocarbon group bonded to the silicon atom at one molecular chain terminal and having a hydrolyzable group or groups bonded to the silicon atom at the other |
| 5658965 |
Radiation curable silicone release coating composition |
August 19, 1997 |
| The present invention relates to a radiation curable silicone release coating composition comprising an alicyclic epoxy-functional silicone graft copolymer and a photocuring catalyst. The release coatings of this invention upon curing by exposure to UV light form release films that are |
| 5633335 |
Copolymer of silicone macromonomer and alicyclic epoxy monomer |
May 27, 1997 |
| There is disclosed a novel silicone-grafted, alicyclic epoxy-functional vinyl polymer prepared by copolymerizing(A) 1 to 80 weight % of a silicone macromonomer which bears a vinyl-polymerizable group at one molecular chain terminal;(B) 5 to 90 weight % of a vinyl-polymerizable, alicyclic epo |
| 5614640 |
Epoxy functional siloxanes |
March 25, 1997 |
| This invention relates to novel alicyclic epoxy-functional siloxanes. The invention also relates to a method for the preparation of these epoxy-functional siloxanes. The epoxy functional siloxanes of this invention can be added to photocurable compositions which when exposed to ultra |
| 5567790 |
Method for the preparation of diphenylsiloxane-dimethylsiloxane copolymers |
October 22, 1996 |
| A highly efficient method for preparing a diphenylsiloxane-dimethylsiloxane copolymer having a narrow molecular weight distribution, said method comprising:(I) polymerizing(A) a mixture of hexamethylcyclotrisiloxane and hexaphenylcyclotrisiloxane, using as polymerization initiator(B) a l |
| 5567789 |
Method for the preparation of organopolysiloxanes |
October 22, 1996 |
| A highly efficient method for preparing an organopolysiloxane which contains little low molecular weight organosiloxane is disclosed, said method comprising:(I) polymerizing(A) cyclic trisiloxane having the formula ##STR1## wherein R is a monovalent hydrocarbon radical, excluding ar |
| 5565540 |
Method for the preparation of SiOH-containing organosiloxane oligomer |
October 15, 1996 |
| The present invention pertains to a method for the preparation of organosiloxane oligomer with the general formulawhere each R.sup.1 and R.sup.2 are independently monovalent hydrocarbon groups and n has a value of 1 to 10; wherein the method comprises cohydrolyzing a triorganohalosilane |
| 5493039 |
Method for the preparation of methacryloxypropyldimethylchlorosilane |
February 20, 1996 |
| The instant invention pertains to a method for the preparation of methacryloxypropyldimethylchlorosilane that is very efficient, yields a very pure methacryloxypropyldimethylchlorosilane, and produces little alpha-methylpropionyloxypropyldimethylchlorosilane impurity.The instant inventio |
