| Patent Number |
Title Of Patent |
Date Issued |
| RE38116 |
Method of making siloxane-based polymides |
May 6, 2003 |
| A method of making siloxane-based polyamides which includes at least one repeating unit represented by the formula ##STR1##wherein X is a linear or branched C.sub.1 -C.sub.30 alkylene chain; Y is a linear or branched C.sub.1 -C.sub.20 alkylene chain; DP is an integer having a value o |
| RE36754 |
Devices using silicone pressure sensitive adhesives containing organic wax |
June 27, 2000 |
| Hot-melt silicone pressure sensitive adhesive compositions containing organic waxes, methods of using the compositions and devices made using the compositions are disclosed. The hot-melt silicone pressure sensitive adhesive compositions include a mixture of (i) a silicate resin, (ii) a |
| RE35474 |
Transdermal drug delivery devices with amine-resistant silicone adhesives |
March 11, 1997 |
| This invention relates to an improved transdermal drug delivery device for the controlled transdermal delivery of amino-functional drugs. The improvement resides in providing the device with a silicone pressure-sensitive adhesive layer which has been chemically treated to reduce the |
| RE35298 |
Production of organosilanes from polysilanes |
July 16, 1996 |
| The present invention is a process for the production of organosilanes from the high-boiling residue resulting from the reaction of organohalides with silicon metalloid in a process typically referred to as the "direct process." The present process comprises forming a mixture comprising |
| RE34992 |
Multifunctional acrylate based abrasion resistant coating composition |
July 4, 1995 |
| A radiation curable protective coating composition is disclosed which contains at least one multifunctional acrylate or methacrylate monomer and colloidal silica dispersed in water or an organic solvent/water mixture. When applied to a substrate and radiation cured, the composition forms |
| RE34675 |
Coupling agent compositions |
July 26, 1994 |
| Coupling agent and primer compositions comprising a conventional silane coupling agent (1), and a disilyl crosslinker compound (II) of the general formulawhere RO denotes a hydrolyzable group, R' denotes a divalent organic radical, and the weight ratio of (I) to (II) is between 1:99 and |
| RE33749 |
Storage stable heat curable organosiloxane compositions containing microencapsulated platinum-co |
November 19, 1991 |
| Storage stable, one part organosiloxane compositions that cure upon heating by a platinum-catalyzed hydrosilation reaction comprise, in addition to the organosiloxane reactants, a platinum-containing hydrosilation catalyst that is microencapsulated within one or two layers of thermoplast |
| RE33429 |
Lattice-entrapped emollient-moisturizer composition |
November 6, 1990 |
| This invention relates to solid emollient-moisturizer compositions, and in particular relates to compositions wherein an emollient-moisturizer is entrapped in the lattice of the cross-linked polymer during in situ polymerization of the monomers forming the polymer lattice. The invention |
| RE33141 |
Moisture resistant polyurethanes derived from non-aromatic diisocyanates and polydiorganosiloxan |
January 2, 1990 |
| The reduction in tensile strength exhibited in high humidity environments by "soft" polyurethanes prepared from aliphatic or cycloaliphatic diisocyanates can be substantially reduced if the molar ratio of diisocyanate and chain extender to isocyanate-reactive species other than said |
| RE32250 |
Stabilization of silicates using salts of substituted nitrogen or sulfur containing siliconates |
September 23, 1986 |
| Salts of substituted nitrogen or sulfur containing siliconates are effective stabilizers for aqueous silicates in such applications as treating boiler water, geothermal water and other aqueous silicates. They are also useful in antifreeze and cooland solutions. |
| RE32107 |
Carbon-containing monolithic glasses and ceramics prepared by a sol-gel process |
April 8, 1986 |
| What is disclosed is a method of preparing carbon-containing monolithic glassy ceramics from organosilsesquioxanes, metal oxides and metal alkoxides through pyrolysis of their gels. Also disclosed are certain gel compositions used in the method and the glassy ceramics. |
| RE31543 |
Curable compositions |
March 27, 1984 |
| Certain aluminum compounds, such as aluminum alkoxides, chelates and acylates, catalyst the reaction of .tbd.SiOH with ##STR1## to yield compositions containing ##STR2## linkages. |
| RE31447 |
High yield silicon carbide pre-ceramic polymers |
November 22, 1983 |
| Pre-polymers which are alkoxylated or phenoxylated methylpolysilanes are useful for the preparation of fine grained silicon carbide ceramic materials and silicon carbide-containing ceramics. The pre-polymers exhibit ease of handling and their use to obtain silicon carbide ceramic mat |
| RE30431 |
Toughened mercaptosiloxane modified emulsion polymerized vinylic polymers |
November 4, 1980 |
| The impact strength of certain thermoplastic vinylic polymers is improved by polymerizing the corresponding monomers in an emulsion of a diorganosiloxane containing units of the formula HSR'SiR.sub.n O.sub.3--n/2. For example a styrene acrylonitrile copolymer containing 20 percent by |
| RE29760 |
Polyfunctional alkoxy endblocked polysiloxanes and their cured compositions |
September 12, 1978 |
| .Iadd.A siloxane of the formula .Iadd. ##STR1## .Iaddend. WHICH CAN BE CURED BY MIXING WITH A CATALYST AND USED AS A SILOXANE RUBBER FOR A COATING, A SEALANT OR CAULK. |
| RE29697 |
Low temperature solventless silicone resins |
July 11, 1978 |
| Organosilicon resins having excellent thermal shock resistance in either the filled or unfilled state are obtained by curing mixtures of (A) a copolymer of (in mole percent) 35 to 42 monophenylsiloxane, 0 to 12 diphenylsiloxane, 35 to 50 dimethylsiloxane and 8 to 15 vinylmethylsiloxa |
| RE29092 |
Self-lubricating bearings and other machine elements and a process for their manufacture |
December 28, 1976 |
| Self-lubricating bearings and other machine elements are prepared by admixing perfluoroalkylene polymers such as polytetrafluoroethylene with defined inorganic solid lubricants and epoxy resins followed by a cold molding technique and heating cycle which allows the economical production |
| RE29092 |
Self-lubricating bearings and other machine elements and a process for their manufacture |
December 28, 1976 |
| Self-lubricating bearings and other machine elements are prepared by admixing perfluoroalkylene polymers such as polytetrafluoroethylene with defined inorganic solid lubricants and epoxy resins followed by a cold molding technique and heating cycle which allows the economical production |
| D412834 |
Squeeze tube dispenser |
August 17, 1999 |
|
| 7612222 |
Method for the redistribution of polyorganosiloxanes |
November 3, 2009 |
| Linear hydroxy endblocked linear polyorganosiloxanes, linear chloro-endblocked polyorganosiloxanes, and mixtures thereof, are redistributed in a process by contacting the linear polyorganosiloxanes, with a diorganodichlorosilane having the formula R'.sub.2SiCl.sub.2, wherein R' is an |
| 7592412 |
Silicone release coating compositions |
September 22, 2009 |
| A release coating composition according to the present invention comprises an alkenyl functional polysiloxane (1), a silicon hydride functional polysiloxane (11) and a catalyst (111) comprising a platinum group metal. The alkenyl functional polysiloxane (1) is an alkenylterminated po |
| 7569716 |
Method of selecting silicon having improved performance |
August 4, 2009 |
| Chemical grade silicon metalloid having improved performance in the direct process for making organohalosilanes is selected by (A) measuring the temperature of each batch of silicon metalloid during both the refining and the casting of the silicon metalloid; (B) measuring the elemental |
| 7563515 |
Silicone compositions and their use in controlling the release or transfer of printed or molded |
July 21, 2009 |
| The present invention relates to silicone compositions that can be used to control the interface at which release occurs when a bi-layer or multi-layer structure comprising compositions as separate layers, and a pattern of a different material sandwiched in between, is separated. The |
| 7553920 |
Fluorocarbon elastomer silicon vulcanizates |
June 30, 2009 |
| A method is disclosed for preparing an elastomeric composition comprising: (I) mixing (A) a silicone base comprising a curable organopolysiloxane, (B) an optional crosslinking agent, (C) a cure agent in an amount sufficient to cure said organopolysiloxane; (II) mixing the product of |
| 7551830 |
Impact resistant optical waveguide and method of manufacture thereof |
June 23, 2009 |
| An impact resistant waveguide includes a clad surrounding a core. A reinforcing filler is incorporated in a curable silicone composition used to prepare the core, thereby imparting impact resistance to the core. A method of manufacture of the waveguide includes injecting the curable |
| 7547742 |
Fluoroplastic silicone vulcanizates |
June 16, 2009 |
| Fluoroplastics containing fluorocarbon resins and silicones are prepared by first mixing a fluorocarbon resin with a compatibilizer, then adding a curable organopolysiloxane with a radical initiator, and vulcanizing the organopolysiloxane in the mixture. The fluoroplastics can be process |
| 7544734 |
Silicone oil-in-water (O/W) emulsion compositions useful for water repellent applications |
June 9, 2009 |
| Compositions useful for providing water repellent characteristics to substrates contain (i) 0.1-99 percent by weight of a methylhydrogensiloxane; (ii) 0.1-99 percent by weight of a silanol endblocked siloxane; (iii) 0.1-99 percent by weight of a silicone resin; (iv) 0.1-10 percent by |
| 7541264 |
Temporary wafer bonding method for semiconductor processing |
June 2, 2009 |
| A method for temporary wafer bonding employs an addition reaction curable adhesive composition. The adhesive composition may include (A) a polyorganosiloxane containing an average of at least two silicon-bonded unsaturated organic groups per molecule, (B) an organosilicon compound co |
| 7527870 |
Organosiloxane compositions |
May 5, 2009 |
| A moisture curable composition capable of cure to an elastomeric body, the composition comprising (a) an organopolysiloxane having not less than two silicon-bonded hydroxyl or hydrolyzable groups; (b) a silane of the general formula G.sub.2-Si--R.sup.1.sub.2, wherein each group is re |
| 7521125 |
Adhesives having improved chemical resistance and curable silicone compositions for preparing th |
April 21, 2009 |
| This invention relates to a composition that can be cured to form an adhesive. The adhesive is useful in the electronics industry. The composition is prepared by mixing components including: (I) a polyorganosiloxane having an average of at least two terminally-unsaturated organic g |
| 7521124 |
Silicones having improved chemical resistance and curable silicone compositions having improved |
April 21, 2009 |
| A composition is prepared by mixing components including: (I) a polyorganosiloxane having an average of at least two unsaturated organic groups per molecule, with the proviso that component (I) is free of fluorine atoms; optionally (II) an organohydrogenpolysiloxane having an average |
| 7520932 |
Method of analyzing carbon concentration in crystalline silicon |
April 21, 2009 |
| A method of analyzing carbon concentration in crystalline silicon includes providing a section from a zoned and annealed silicon core. The zoned and annealed core is extracted from a polycrystalline silicon composition and has a columnar shape. The zoned and annealed core includes a sing |
| 7517808 |
Method for forming and removing a patterned silicone film |
April 14, 2009 |
| A method for reworking semiconductor materials includes: (i) applying a silicone composition to a surface of a substrate to form a film, (ii) exposing a portion of the film to radiation to produce a partially exposed film having non-exposed regions covering a portion of the surface a |
| 7514148 |
Hybrid composite of silicone and organic resins |
April 7, 2009 |
| A fiber reinforced composite including layers of fibers, each layer being impregnated with a resin. The layers include in combination a layer of an addition cured silicone resin and a layer of an organic resin. The layers form a hybrid composite having a higher modulus retention at eleva |
| 7501473 |
Aminofunctional silicone resins and emulsions containing them |
March 10, 2009 |
| This invention relates to aminofunctional silicone resins having high aryl content R.sub.2SiO.sub.2/2 content and amine content. The aminofunctional silicone resins of this invention are useful in making tough, water, solvent, and heat resistant hybrid materials when used in combination |
| 7485202 |
Method for making a flat-top pad |
February 3, 2009 |
| A method for preparing flat-top pads in electronic components includes the steps of: a) stencil printing a flat-top deposit of a curable silicone composition onto a first electronic substrate, where the first electronic substrate is selected from a semiconductor die or a semiconductor di |
| 7482419 |
Silsesquioxane resin wax |
January 27, 2009 |
| A silsesquioxane resin wax composition, method for its preparation, and use in personal, household, automotive and medical care compositions are disclosed. The silsesquioxane resin wax can also find utility in a variety of oil and gas field applications, such as for crude oil wax con |
| 7479567 |
Reactive distillation of chlorosilanes |
January 20, 2009 |
| Chlorosilanes such as dimethyldichlorosilane are hydrolyzed in a first super-azeotropic hydrochloric acid distillation column A to produce cyclosiloxanes, chlorosiloxanes, and hydrogen chloride gas. The cyclosiloxanes and the chlorosiloxanes are washed and separated according to thei |
| 7479566 |
Method for preparation of alkoxysilanes having reduced halide |
January 20, 2009 |
| Polysiloxane hydrolyzates are neutralized by treating polysiloxane hydrolyzates containing residual acidic constituents with carbon, and then the carbon is removed from the treated neutralized polysiloxane hydrolyzate. Some examples of polysiloxane hydrolyzates that can be treated ar |
| 7479532 |
Fluorocarbon elastomer silicone vulcanizates |
January 20, 2009 |
| A method is disclosed for preparing an elastomeric base composition comprising: (I) mixing (A) a silicone base comprising a curable organopolysiloxane, (B) an optional crosslinking agent, (C) a cure agent in an amount sufficient to cure said organopolysiloxane; (II) mixing the produc |
| 7471856 |
Short reach optical interconnect |
December 30, 2008 |
| An optical link includes a polymer waveguide having a top cladding layer, a core polymer layer, and a bottom cladding layer, supported by a substrate, with mirrors and optical vias. The core polymer layer includes a polymer material having a nanoparticle filler with a particle size of |
| 7456308 |
Grignard processes with improved yields of diphenylchlorosilanes as products |
November 25, 2008 |
| A Grignard process for preparing phenyl-containing chlorosilane products, in particular diphenylchlorosilanes, is carried out in three embodiments. In the first embodiment, the reactants of the Grignard process are a phenyl Grignard reagent, an ether solvent, a trichlorosilane, and an |
| 7456147 |
Controlled release of active agents utilizing repeat sequence protein polymers |
November 25, 2008 |
| Systems are provided for the controlled release delivery of active agents through the use of repeat sequence protein polymers. The systems may exist as matrices, gels, hydrogels, films, emulsions or microparticles and are particularly useful for incorporating active agents into personal |
| 7455998 |
Methods for forming structurally defined organic molecules |
November 25, 2008 |
| Methods of forming organic molecules comprising contacting a hydrolase enzyme with an organic reactant are provided. Methods for forming an organosilicon molecule comprising contacting a hydrolase enzyme with an organosilicon reactant are also provided. |
| 7452956 |
Urethane compositions containing carbinol-functional silicone resins |
November 18, 2008 |
| This invention relates to urethane compositions comprising: (A) 100 weight parts of at least one compound containing at least one isocyanate group; (B) 0.3-300 weight parts of a carbinol-functional silicone resin; (C) up to 250 weight parts of an organic polyol; and (D) up to 10 weight p |
| 7452849 |
Silicone resin for drilling fluid loss control |
November 18, 2008 |
| A silicone MQ resin based composition provides the oil industry with Fluid Loss Control (FLC) additives for water based drilling muds which are non-damaging. The composition is capable of achieving zero fluid seepage through filter cake, and a short build time for the initial filter cake |
| 7449536 |
Branched polymers from organohydrogensilicon compounds |
November 11, 2008 |
| A method comprising heating in the presence of a catalyst, a mixture comprising (i) a reaction product obtained by mixing in the presence of a platinum group metal-containing catalyst at least one organohydrogensilicon compound containing at least one silicon-bonded hydrogen atom per |
| 7432338 |
Branched polymers from organohydrogensilicon compounds |
October 7, 2008 |
| This invention relates to a method comprising (1) heating in the presence of a catalyst a mixture comprising (i) at least one organohydrogensilicon compound containing at least one silicon-bonded hydrogen atom per molecule or a reaction product obtained by mixing in the presence of a |
| 7429636 |
Organohydrogensilicon compounds |
September 30, 2008 |
| Organohydrogensilicon compounds containing at least one silicon-bonded hydrogen atom per molecule and at least one cyclosiloxane. |
| 7425351 |
Silicone resins |
September 16, 2008 |
| A silicone resin, curable to a resin of low coefficient of thermal expansion, high glass transition temperature and high modulus, has the empirical formula (R.sub.3SiO.sub.1/2).sub.a(R.sub.2SiO.sub.2/2).sub.b(RSiO.sub.3/2).sub.c(- SiO.sub.4/2).sub.d wherein each R is a hydrocarbon or |
