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| Number | Title | Issue Date |
| 4720431 | Silicone encapsulated devices The addition of a low viscosity (2 to 100 centipoise) polysiloxane such as olydimethylsiloxane to a two-part heat curable polysiloxane system substantially eliminates the formation of bubbles when such system is employed as a potting compound for encapsula... | 01/19/1988 |
| 4699813 | Platinum/alkenylcyclohexene complexes useful for hydrosilylation catalysis Novel platinum/olefin complexes, useful for the hydrosilylation curing catalysis of hardenable organopolysiloxane compositions, are facilely prepared by reacting a platinum halide with at least one alkali or alkaline earth metal carbonate or bicarbonate i... | 10/13/1987 |
| 4698386 | Polyorganosiloxane compositions Polyorganosiloxane compositions comprising: (A) a linear and/or branched polyorganosiloxane, with a viscosity of 50 to 100,000 cP at 25° C., wherein 0.7 to 1.8 vinyl radicals bonded to silicon atoms, on average, are present in each molecule, and the remaining... | 10/06/1987 |
| 4695597 | Organopolysiloxane composition for fire-resistant foamed silicone rubber The inventive foamable silicone rubber composition comprises (a) a silanolic hydroxy-terminated diorganopolysiloxane, (b) a vinylsilyl-terminated diorganopolysiloxane, (c) an organohydrogenpolysiloxane as a crosslinking agent of the diorganopolysilox... | 09/22/1987 |
| 4681913 | Method for preventing premature curing of silicone compositions and compositions made thereby There is provided a method for preventing premature curing of curable silicone compositions comprising admixing with said curable composition an amount of Lewis base effective to neutralize any Lewis acid present therein.... | 07/21/1987 |
| 4678827 | Flame-retardant silicone rubber composition A flame-retardant silicone rubber composition is prepared by admixing a base compound of a dimethylpolysiloxane gum and a siliceous filler with a combination of a platinum compound and an organosilicon compound having at least one nitrogen-containing orga... | 07/07/1987 |
| 4677161 | Curable organosiloxane compositions This invention provides self-adhering polyorganosiloxane compositions that cure by a platinum-catalyzed hydrosilation reaction. The compositions include as the adhesion promoter a polysiloxane comprising diorganohydrogensiloxy, alkoxy and SiO4/... | 06/30/1987 |
| 4654408 | Curable silicone composition A curable silicone composition comprising (A) an organosilicon compound having at least two radicals of the formula: ViSi(R1)2 Si(R1)2 --Z-- wherein R1 is a lower alkyl radical and Z is a bivalent rad... | 03/31/1987 |
| 4640956 | Iodine resistant silicone rubber compositions There is provided an improved addition curable silicone composition wherein the improvement comprises an amount of metallic oxide effective to prevent premature deterioration of the cured composition due to exposure to iodine and/or hydroiodic acid. The p... | 02/03/1987 |
| 4631310 | Platinum (O) alkyne complexes and a method for their preparation A simplified method of manufacture for platinum (O) alkyne complexes is disclosed, as well as novel platinum (O) alkyne complexes per se. The complexes are made by reacting platinum-vinylsiloxane complexes with alkynes. The complexes are used in hydrosily... | 12/23/1986 |
| 4631299 | Burn resistant organopolysiloxane foams Organopolysiloxane compositions adopted for easy conversion into burn resistant foams useful, e.g., for the protection of nuclear power installations, include admixture of various organopolysiloxane polymers comprising SiH, SiOH, SiR3 and Si-vi... | 12/23/1986 |
| 4624900 | Aqueous polysiloxane emulsions for anti-adhesive/water-repellent coatings Storage-stable, aqueous polysiloxane emulsions well adopted as coating compositions to impart anti-adhesiveness/water-repellency to a wide variety of substrates, e.g., paper, are comprised of an anti-adhesive/water-repellency effective amount of (A) ... | 11/25/1986 |
| 4621029 | Medical sealant for skin This invention relates to a medical sealant comprising polyorganosiloxane gel for sealing a junction part between living skin and a medical instrument penetrating through the skin, said polyorganosiloxane gel having a partially cross-linked three dimentio... | 11/04/1986 |
| 4614758 | Use of paraffin waxes or microwaxes for silicone pastes, and the packaging and use thereof The present invention relates to the use of paraffin waxes or microwaxes in silicone pastes, in particular in kneadable compositions for the production of accurate impressions of teeth. The silicone pastes are preferably cold-vulcanizing two-component sil... | 09/30/1986 |
| 4604424 | Thermally conductive polyorganosiloxane elastomer composition Compositions containing at least one liquid polydiorganosiloxane having an average of two ethylenically unsaturated hydrocarbon radicals per molecule, an organohydrogensiloxane curing agent, a platinum catalyst and a thermally conductive filler consisting... | 08/05/1986 |
| 4600731 | Paste composition containing an organopolysiloxane, platinum and filler A paste composition which is used in the preparation of dental impression compositions containing: (a) at least 100 ppm by weight, based on the weight of the paste composition of platinum calculated as the element; (b) 35 to 75 percent by weight, based on the ... | 07/15/1986 |
| 4598120 | Dispersion compositions, a process for their production and their use The present invention is directed to aqueous dispersion compositions in the form of aqueous, spreadable coating or printing pastes, characterized in that they contain (A) aqueous dispersions of polyurethanes (Aa) or mixtures of polyurethanes (Aa) and aque... | 07/01/1986 |
| 4595610 | Curable silicone compositions for the protection of polyurethane foam There is disclosed a room temperature curing silicone for protecting polyurethane foam. The silicone coating provides protection from ultraviolet light, water penetration, and mechanical damage. The silicone coating comprises a particular organosilicon re... | 06/17/1986 |
| 4585830 | Polyorganosiloxane compositions useful for preparing unsupported extruded profiles The presence of immiscible silica treating agents in high viscosity, pumpable polyorganosiloxane compositions alters the rheology of these compositions sufficiently to permit fabrication of unsupported profiles that retain their initial configuration duri... | 04/29/1986 |
| 4581391 | Ablative insulating materials of high vinyl content The use of high vinyl-containing vinylmethylsiloxane polymers as high temature insulating materials.... | 04/08/1986 |
| 4568707 | Silicone pastes formulated with a structural viscosity for impression materials In a polysiloxane-based composition which crosslink by addition, comprising (a) an organosiloxane with two or more vinyl groups in the molecule, (b) and organo-hydridopolysiloxane, as a crosslinking agent, (c) a catalyst for accelerating the addition reac... | 02/04/1986 |
| 4563498 | Curable silicone compositions and processes A room temperature vulcanizable silicone composition free of plasticizing fluid and curable to a low modulus silicone rubber upon exposure to moisture, comprising: (A) 100 parts by weight of an organopolysiloxane wherein the silicon atoms at the polymer c... | 01/07/1986 |
| 4558109 | Curable organopolysiloxane compositions An organopolysiloxane composition which has improved adhesion and is curable at an elevated temperature in the presence of atmospheric moisture comprising: (a) An organopolysiloxane having an average of at least two hydroxyl groups per molecule; (b) an or... | 12/10/1985 |
| 4555420 | Curable silicone compositions and processes There is provided a room temperature vulcanizable silicone composition comprising a polyalkoxy-terminated polydiorganosiloxane and a difunctional nitrogen-containing silane. Processes for making such room temperature vulcanizable compositions are also pro... | 11/26/1985 |
| 4550152 | Nickel complex catalyst for hydrosilation reactions Novel zero valent nickel complex catalysts have been developed for hydrosilation reactions including the use of such zero valent nickel complexes as catalysts in place of platinum complexes for SiH olefin compositions to produce silicone elastomers. These... | 10/29/1985 |
| 4544696 | Silicone elastomers having thermally conductive properties Silicone elastomers having thermally conductive properties which comprise an organopolysiloxane having Si-bonded aliphatically unsaturated groups, an organohydrogenpolysiloxane having Si-bonded hydrogen atoms, a catalyst capable of promoting the addition ... | 10/01/1985 |
| 4539357 | Peroxide curing polysiloxane compositions having a high tear strength The present invention relates to a silicon composition that cures to a silicone elastomer having a tear strength of abouve 100 p.i. comprising a blend of vinyl-containing gums, a silica reinforcing filler, a hydride cross-linking agent, and a peroxide cur... | 09/03/1985 |
| 4537829 | Curable silicone compositions comprising resins Silicone compositions are disclosed which comprise a liquid silicone resin, a vinyl-containing silicone resin, a siloxane polymer, and a hydrosilylation catalyst. The compositions cure to give unusually strong, fuel resistant coatings and elastomers.... | 08/27/1985 |
| 4535123 | Releasable film forming compositions The present invention provides a releasable film forming composition comprising (1) an organopolysiloxane having hydroxyl groups at the ends of the molecular chain, (2) a finely divided silica, (3) a phenyl-containing organosilane or organopolysiloxane, (... | 08/13/1985 |
| 4530989 | Room temperature stable organopolysiloxane compositions Room temperature stable organopolysiloxane compositions containing organosilicon compounds having Si-bonded hydrogen atoms and aliphatic multiple bonds, a platinum catalyst which promotes the addition of Si-bonded hydrogen atoms to the aliphatic multiple ... | 07/23/1985 |
| 4526953 | Modified silicone release coating compositions Addition curable silicone release compositions comprised of a vinyl-functional base polymer, a cross-linking agent, a precious metal catalyst, and an effective amount of C4 -C30 -olefins are provided which allow reduction in t... | 07/02/1985 |
| 4500659 | Extrudable, curable polyorganosiloxane compositions The processibility of high viscosity, marginally extrudable polyorganosiloxane compositions containing a reinforcing silica filler and a filler treating agent to prevent crepe hardening of the compositions is improved by the presence in said treating agen... | 02/19/1985 |
| 4486566 | Room temperature-curable polyorganosiloxane compositions having resistance to soiling A composition curable at room temperature has resistance to soiling and maintains its adhesion to substrates when cured. The composition is the product obtained by mixing a polyorganosiloxane having at least two silicon-bonded hydroxyl radicals or two sil... | 12/04/1984 |
| 4482670 | Method of polymerizing polydiorganosiloxane fluid-filler mixture using sulfuric or sulfonic acids A method of polymerizing an oligomer comprising a polydiorganosiloxane, polydiorganocyclosiloxane, or mixture thereof in the presence of reinforcing filler using a catalytic amount of sulfuric or sulfonic acid is described. The sulfonic acid is of the for... | 11/13/1984 |
| 4477626 | Polyorganosiloxane compositions A desirable thixotropic character is imparted to a curable liquid composition comprising a vinyl-containing polyorganosiloxane, a polyorganosiloxane containing at least two silicon-bonded hydrogen atoms per molecule, a platinum-containing catalyst and a f... | 10/16/1984 |
| 4472563 | Heat curable silicones having improved room temperature stability Improved inhibitor systems are disclosed for the reaction of silicon hydride containing silicones with vinyl containing and/or hydroxyl containing silicones. The improved inhibitors are mixtures of conjugated ene-ynes and vinylcyclosiloxanes. Inhibition o... | 09/18/1984 |
| 4448927 | Method of polymerizing oligomers of polydiorganosiloxane in the presence of filler Oligomers of low molecular weight polydiorganosiloxanes, polydiorganocyclosiloxanes, or mixtures are polymerized in the presence of acidic or neutral reinforcing fillers. Trifluoromethane sulfonic acid is used as the polymerization catalyst. The method ca... | 05/15/1984 |
| 4444944 | Thermally conductive silicone rubber composition A thermally conductive silicone rubber composition is prepared by mixing an aliphatically unsaturated polyorganosiloxane, a polyorganohydrogensiloxane, alumina powder having an average particle size of 2μ to 10μ and an oil absorption of >15 mL/g, and a ... | 04/24/1984 |
| 4433007 | Process for coating substrates with aqueous emulsions containing organopolysiloxanes A process for coating a substrate which comprises applying to the substrate an aqueous emulsion containing: (1) A diorganopolysiloxane having terminal SiC-bonded vinyl groups; (2) An organopolysiloxane containing at least three Si-bonded hydrogen atoms per mol... | 02/21/1984 |
| 4433096 | Polymerization of polydiorganosiloxane in the presence of filler A method of polymerizing hydroxyl-endblocked polydiorganosiloxane in the presence of filler, including acidic filler such as fumed silica, through the use of basic diorganosilanolates as catalysts is claimed. Preferred diorganosilanolates are tetra-n-buty... | 02/21/1984 |
