Two Or More Si Atoms And At Least One Si-c Or Si-h Group Patents (Class 524/267)
-
Patent number: 6723771Abstract: A composition of matter is disclosed wherein the composition comprises a polyurethane elastomer prepared by mixing A) a polyurethane prepolymer, B) a curative, and C) a liquid, non-reactive polydimethylsiloxane, wherein C) is present in a concentration of about 0.5 to about 25% based on the combined weight of A) plus B), and curing the mixture to form the elastomer.Type: GrantFiled: March 4, 2002Date of Patent: April 20, 2004Assignee: Uniroyal Chemical Company, Inc.Inventors: Richard L. Palinkas, Thomas H. Peter
-
Patent number: 6716908Abstract: There are disclosed alkoxysilyl functional silicone based materials that are thermodynamically stable, methods for making them and their uses. The methods comprise cross-linking of reactants that are dispersed in a diluent.Type: GrantFiled: January 30, 2002Date of Patent: April 6, 2004Assignee: Dow Corning CorporationInventors: Arnold Wade Lomas, William James Schulz, Jr.
-
Patent number: 6686320Abstract: The invention relates to the use of water-insoluble polyoxyalkylene-polysiloxane block copolymers of the general average formula wherein the variables and indices are described herein as defoaming agents for aqueous media. This invention also provides for defoaming compositions comprising said water-insoluble polyoxyalkylene-polysiloxane block copolymers as well as coating materials, printing inks and cooling lubricants containing the inventive defoaming compositions.Type: GrantFiled: March 18, 2002Date of Patent: February 3, 2004Assignee: Goldschmidt AGInventors: Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Stefan Silber, Roland Sucker
-
Patent number: 6683135Abstract: Disclosed herein is a rubber composition comprising: a) a blocked mercaptosilane of a defined structure, wherein the blocking group contains an unsaturated heteroatom or carbon chemically bound directly to sulfur via a single bond and, optionally, may be substituted with one or more carboxylate ester or carboxylic acid functional groups; b) an organic polymer; c) a filler; and d) a deblocking agent.Type: GrantFiled: November 9, 2001Date of Patent: January 27, 2004Inventors: Richard W. Cruse, Robert J. Pickwell, Keith J. Weller, Eric R Pohl
-
Patent number: 6664313Abstract: The present invention relates to a polycarbonate resin composition comprising 100 parts by weight of an aromatic polycarbonate resin (a), 3 to 30 parts by weight of titanium oxide (b), 0.01 to 9 parts by weight of silica (c1), 0.01 to 9 parts by weight of a polyorganosiloxane polymer (c2), and 0.01 to 5 parts by weight of polytetrafluoroethylene (d).Type: GrantFiled: December 18, 2001Date of Patent: December 16, 2003Assignee: Mitsubishi Engineering-Plastics CorporationInventors: Yasuhiro Hirai, Kazuhiko Ishii
-
Patent number: 6660789Abstract: A polyester composition comprising (A) 30 to 95 parts by weight of a polybutylene terephthalate resin containing a polybutylene terephthalate-isophthalate copolymer in which the content of an isophthalic acid ingredient to the entire dicarboxylic acid ingredient is 5 to 20 mol %, (B) 1 to 30 parts by weight of a polycarbonate resin, (C) 3 to 20 parts by weight of an elastomer and (D) 15 to 30 parts by weight of a fibrous reinforcing material, and (E) 0.1 to 3 parts by weight of a silicone compound, wherein the total amount for (A)-(D) is 100 parts by weight, the composition being used for insert molding.Type: GrantFiled: March 21, 2002Date of Patent: December 9, 2003Assignees: Toray Industries, Inc., Denso CorporationInventors: Tomoyuki Uno, Takashi Sugata, Akira Hirai, Tetsuya Hirose, Hiroyuki Yamazaki, Kazuo Kato
-
Patent number: 6653378Abstract: This invention related to silicone elastomer compositions in the form of gels and/or organized structures. The silicone elastomer compositions are produced by reacting a siloxane having a first reactive group with a crosslinker having a second reactive group in a diluent. One reactive group is selected from epoxy-functional groups or chlorohydrin functional groups while the other reactive group is a functional group that reacts with epoxy-functional groups or chlorohydrin functional groups (i.e. amine, hydroxyl). The silicone elastomer compositions of the instant invention are particularly useful in personal care products, textiles, auto care products, and laundry products and for the delivery of active ingredients.Type: GrantFiled: December 13, 2001Date of Patent: November 25, 2003Assignee: Dow Corning CorporationInventors: Michael Salvatore Ferritto, Zuchen Lin, William James Schulz, Jr., Janet Mary Smith
-
Patent number: 6649680Abstract: The present invention provides a flame retardant resin composition having a good fluidity and excellent recycling property, can yield a molded article having excellent rigidity and flame retardancy, and is particularly applicable for a molded article having a small thickness. Specifically, the flame retardant resin composition contains: 100 parts by weight of a thermoplastic resin (A); 0.5 to 100 parts by weight of a liquid crystal polymer (B); and 0.1 to 30 parts by weight of a silicone compound (C) as a flame retardant.Type: GrantFiled: September 13, 2001Date of Patent: November 18, 2003Assignee: Daicel Chemical Industries, Ltd.Inventors: Takayuki Asano, Kiyoshi Shimizu
-
Publication number: 20030212198Abstract: There is provided a dispersion composition which has excellent dispersion stability and hardly sediments even after a long-term storage. This dispersion composition is a composition comprising a particulate material dispersed in an organic solvent, wherein a graft copolymer which has a particle diameter of 0.01-1 &mgr;m and self-disperses in said organic solvent is adsorbed to at least a part of the outer surface of said particulate material and a graft chain of said graft copolymer comprises a polysiloxane and an alkylene group of 1-18 carbon atoms.Type: ApplicationFiled: June 9, 2003Publication date: November 13, 2003Applicant: Hitachi Maxell, Ltd.Inventors: Nagayuki Takao, Miyuki Nishimura
-
Patent number: 6630745Abstract: A semiconductor encapsulating epoxy resin composition is provided comprising (A) an epoxy resin, (B) a phenolic resin curing agent, (C) a molybdenum compound, (D-i) an organopolysiloxane, (D-ii) an organopolysiloxane cured product, or (D-iii) a block copolymer obtained by reacting an epoxy resin or alkenyl group-bearing epoxy resin with an organohydrogenpolysiloxane, and (E) an inorganic filler. The composition has improved moldability and solder crack resistance while exhibiting high flame retardance despite the absence of halogenated epoxy resins and antimony oxide.Type: GrantFiled: April 26, 2000Date of Patent: October 7, 2003Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Shoichi Osada, Eiichi Asano, Shigeki Ino, Takayuki Aoki, Kazutoshi Tomiyoshi, Toshio Shiobara
-
Patent number: 6627696Abstract: There is provided a dispersion composition which has excellent dispersion stability and hardly sediments even after a long-term storage. This dispersion composition is a composition comprising a particulate material dispersed in an organic solvent, wherein a graft copolymer which has a particle diameter of 0.01-1 &mgr;m and self-disperses in said organic solvent is adsorbed to at least a part of the outer surface of said particulate material and a graft chain of said graft copolymer comprises a polysiloxane and an alkylene group of 1-18 carbon atoms.Type: GrantFiled: September 28, 2000Date of Patent: September 30, 2003Assignee: Hitachi Maxell, Ltd.Inventors: Nagayuki Takao, Miyuki Nishimura
-
Patent number: 6613826Abstract: The present invention provides: a high viscosity aqueous coating composition, which can be coated onto plastic materials such as polyolefin materials by a HVLP gun, and which has excellent sagging performance and can obtain a coating film with good appearance. The aqueous coating composition comprises an acetylene diol defoamer and a silicone wetting agent in addition to a film-formable component, wherein the nonvolatile solid content of the acetylene diol defoamer is in the range of 0.25 to 1.0 weight % of the entirety of the aqueous coating composition, and the nonvolatile solid content of the silicone wetting agent is in the range of 0.75 to 2.0 weight % of the entirety of the aqueous coating composition.Type: GrantFiled: September 1, 2001Date of Patent: September 2, 2003Assignees: Toyota Technical Center, U.S.A., Inc., Nippon Bee Research America, Inc.Inventors: Juhan Kim, Jeffrey Makarewicz, Jesse Fritcher
-
Patent number: 6608125Abstract: A blocked mercaptosilane of the structure: G—C(═O)—S—CH2CH2CH2SiX3 is disclosed wherein each X is an independently selected RO— group wherein each R is independently selected from the group consisting of hydrogen, alkyl that may or may not contain unsaturation, alkenyl groups, aryl groups, and aralkyl groups, such moieties other than hydrogen having from 1 to 18 carbon atoms, and G is a monovalent alkyl of from 2 to 12 carbon atoms.Type: GrantFiled: November 9, 2001Date of Patent: August 19, 2003Assignee: Crompton CorporationInventors: Richard W. Cruse, Robert J. Pickwell, Keith J. Weller, Eric R. Pohl
-
Patent number: 6602938Abstract: This invention is a flame resistant polycarbonate resin composition characterized by blending 0.01-2 weight parts of a silicone compound (B)) wherein a main chain has a branch structure and having an aromatic group in an organic substituent, 0.01-2 weight parts of an alkali metal salt of an aromatic sulfonic acid (C) represented by the following general formula 1 (hereafter, referred to as general formula 1), and 0.05-5 weight parts of a fiber-forming fluorine-containing polymer (D), relative to 100 parts of a polycarbonate resin (A): General formula 1: Am—R—(SO3M)n (wherein, R is a phenyl group, naphthyl group, or a phenyl group or naphthyl group substituted by A, where A is at least one type of substituent chosen from a group comprising a halogen atom, alkyl group, aryl group, vinyl group, alkoxy group, amino group, methyl ester group and ethyl ester group, and M is an alkali metal.Type: GrantFiled: October 11, 2001Date of Patent: August 5, 2003Assignees: Sumitomo Dow Ltd., NEC Corp.Inventors: Masatoshi Iji, Shin Serizawa, Satoshi Umeyama, Tadashi Shinomiya, Ichiro Sato
-
Patent number: 6579941Abstract: An adhesive construction, characterized by excellent converting and adhesive performance, comprises a facestock, a face-side adhesive (FSA) in contact with a first surface of the facestock, and a liner-side adhesive (LSA) in contact with the FSA. The FSA is compounded with an organopolysiloxane or modified organopolysiloxane. Single layer constructions, and multilayer constructions comprising more than two adhesive layers, and unique adhesive compositions, are also provided. The constructions can be run in high-speed converting presses and adhere well to a variety of substrates.Type: GrantFiled: June 12, 2000Date of Patent: June 17, 2003Assignee: Avery Dennison CorporatoinInventors: Yukihiko Sasaki, Jesse C. Ercillo, Le Hoa Hong
-
Patent number: 6573321Abstract: An anti-contamination coating composition is obtained by mixing a tetraalkoxysilane condensate having an average condensation degree of 4 to 20 and has an alkyl group having 1 to 2 carbon atoms and an alkyl group having 3 to 10 carbon atoms, or an alkyl group having 1 to 3 carbon atoms and an alkyl group having 4 to 12 carbon atoms, the alkyl group having 3 to 10 carbon atoms or 4 to 12 carbon atoms present in the amount of 5 to 50% by equivalent based on all alkyl groups in the condensate, with a polyurethane resin, an acrylic copolymer resin or a silicone-acrylic copolymer resin in the amount of 1.0 to 40.0 parts by weight in term of SiO2 relative to 100 parts by weight of the polyol compound. The addition of a hydrophilic alkoxysilane having a poly alkylene oxide chain compound is also suitable.Type: GrantFiled: July 23, 2001Date of Patent: June 3, 2003Assignee: Sk Kaken Co., Ltd.Inventors: Hidehito Karuga, Shigeto Kamimura, Hiroshi Nakai, Hisashi Suzuki, Tadahiko Ikeuchi, Kenichi Ishigaki, Kensuke Kurimoto, Takanori Nakashoya
-
Patent number: 6569663Abstract: The present invention relates to variants of serine proteases having decreased immunogenicity relative to their corresponding wild-type proteases. More particularly, the present invention relates to variants having a modified amino acid sequence of a wild-type amino acid sequence, wherein the modified amino acid sequence comprises a substitution of one or more specifically identified positions corresponding to subtilisin BPN′. The invention further relates to mutant genes encoding such variants and cleaning and personal care compositions comprising such variants.Type: GrantFiled: September 25, 2000Date of Patent: May 27, 2003Assignee: The Procter & Gamble CompanyInventors: Donn Nelton Rubingh, Elizabeth Ellen Sikorski, Paul Elliott Correa
-
Patent number: 6566115Abstract: The present disclosure relates to subtilisin protease conjugate comprising a protease moiety and one or more addition moieties. Each addition moiety is covalently attached to a clip site protection position of the protease moiety, wherein the clip site protection positions are selected from 13, 14, 15, 16, 18, 19, 20, 21, 84, 85, 88, 158, 159, 160, 161, 162, 163, 164, 165, 170, 186, 191, 192, 193, 194, 196, 259, 260, 261, 262, and 274 corresponding to subtilisin BPN′. The protease conjugates have decreased immunogenicity relative to a parent protease. The present disclosure further relates to cleaning and personal care compositions comprising the protease conjugates.Type: GrantFiled: July 18, 2000Date of Patent: May 20, 2003Assignee: The Procter & Gamble CompanyInventors: David John Weisgerber, Donn Nelton Rubingh, Paul Elliott Correa
-
Patent number: 6562887Abstract: The present invention relates to a polycarbonate resin composition comprising 100 parts by weight of a polycarbonate resin, 0.05 to 5 parts by weight of a silicone oil (BH) having a dynamic viscosity of not less than 10,000 mm2/s at 25° C., and 0.5 to 25 parts by weight of a composite rubber (C) having such structure that the polyorganosiloxane rubber component and the polyalkyl (meth)acrylate rubber component are interlocked to form a unitary composite.Type: GrantFiled: February 24, 2000Date of Patent: May 13, 2003Assignee: Mitsubishi Engineering-Plastics CorporationInventors: Yoshihiro Kurasawa, Naoto Obayashi, Takashi Miyajima
-
Patent number: 6545086Abstract: A pressure sensitive adhesive emulsion comprises a disperse silicone phase emulsified in a continuous water phase in the presence of a surfactant. The disperse silicone phase comprises 40-80 percent by weight of a silicone pressure sensitive adhesive, which is the product of mixing a silanol-terminated polydiorganosiloxane of Tg below −20° C. with a silanol-containing silicone resin of Tg above 0° C., dispersed in 60-20 percent by weight of a volatile silicone fluid having a boiling point below 300° C. The emulsion is substantially free of any non-silicon atom containing volatile organic material.Type: GrantFiled: October 1, 2001Date of Patent: April 8, 2003Assignee: Dow Corning CorporationInventor: Jeffrey Alan Kosal
-
Patent number: 6541552Abstract: To provide the aqueous-dispersing composition of synthetic resin which is excellent in stain-proofing property, weather resistance and storage stability and is capable of forming a coating film having a high gloss. The aqueous-dispersing composition of synthetic resin comprises an aqueous dispersion of synthetic resin and a condensate of tetrafunctional silicate compound represented by the formula (I): wherein R comprises R1 (R1 is methyl and/or ethyl) and R2 (R2 is at least one linear or branched alkyl group having 3 to 10 carbon atoms), n is 2 to 15, and contains the condensate of tetrafunctional silicate compound in an amount of 1 to 100 parts by weight on the basis of 100 parts by weight of solid content in the aqueous dispersion of synthetic resin.Type: GrantFiled: May 16, 2000Date of Patent: April 1, 2003Assignee: Daikin Industries, Ltd.Inventors: Nobuhiko Tsuda, Katsuhiko Imoto, Nobuo Mitsuhata, Masaru Nagato
-
Patent number: 6541548Abstract: There is provided an aromatic polycarbonate resin composition which exhibits high flame retardancy without sacrificing melt-molding stability or melt fluidity when molding the resin composition. The flame retardant aromatic polycarbonate resin composition comprises a resin component (a) comprising an aromatic polycarbonate and optionally a styrene polymer, the resin composition having an aromatic polycarbonate content of 20% by weight or more; and 0.1 to 50 parts by weight of an organopolysiloxane (b) comprising a linear organopolysiloxane (b)i and a cyclic organopolysiloxane (b)ii, component (b)ii present in an amount of from 5 to 95% by weight based on the total weight of components (b)i and (b)ii.Type: GrantFiled: August 2, 2001Date of Patent: April 1, 2003Assignees: Wacker-Chemie GmbH, Asahi Kasei Kabushiki KaishaInventors: Richard Weidner, Hiroji Oda
-
Publication number: 20030050371Abstract: The present invention provides: a high viscosity aqueous coating composition, which can be coated onto plastic materials such as polyolefin materials by a HVLP gun, and which has excellent sagging performance and can obtain a coating film with good appearance. The aqueous coating composition comprises an acetylene diol defoamer and a silicone wetting agent in addition to a film-formable component, wherein the nonvolatile solid content of the acetylene diol defoamer is in the range of 0.25 to 1.0 weight % of the entirety of the aqueous coating composition, and the nonvolatile solid content of the silicone wetting agent is in the range of 0.75 to 2.0 weight % of the entirety of the aqueous coating composition.Type: ApplicationFiled: September 1, 2001Publication date: March 13, 2003Applicant: TOYOTA TECHNICAL CENTER, U.S.A., INC.Inventors: Juhan Kim, Jeffrey Makarewicz, Jesse Fritcher
-
Patent number: 6525103Abstract: The invention relates to the use of water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers of the general average formula wherein the variables are described herein as defoaming agents for aqueous media. This invention also provides for defoaming compositions comprising said water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers.Type: GrantFiled: February 19, 2002Date of Patent: February 25, 2003Assignee: Goldschmift AGInventors: Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Stefan Silber, Roland Sucker
-
Patent number: 6518204Abstract: A curable organopolysiloxane composition comprises: (A) an organopolysiloxane with two or more silicon-bonded hydrogen atoms contained in one molecule in an amount not exceeding 0.05 wt. %; (B) an organopolysiloxane with two or more alkenyl groups in one molecule {alkenyl groups of this components are to be in an amount of 0.01 to 1 mole per 1 mole of a silicon-bonded hydrogen atoms contained in said component (A)}; and (C) a hydrosilylation-reaction metal catalyst (with content of metal atoms within the range of 0.01 to 1,000 ppm in terms of weight units). A method of manufacturing a semiconductor device comprises: applying onto the surface of a semiconductor device and curing, the aforementioned curable organopolysiloxane composition.Type: GrantFiled: March 7, 2002Date of Patent: February 11, 2003Assignee: Dow Corning Toray Silicone Company, Ltd.Inventors: Kimio Yamakawa, Kazumi Nakayoshi, Hiroki Ishikawa, Ryoto Shima, Junji Nakanishi, Tomoko Kato, Minoru Isshiki, Katsutoshi Mine
-
Patent number: 6512016Abstract: Defoaming compositions consisting essentially of: A) at least one organosilicone compound having defoaming activity in aqueous based compositions; and B) at least one base catalyzed reaction product of: a) a linking agent of formula I R4(Y)3 (I) wherein each Y group is a halogen atom or a halogen and two Y groups on adjacent carbons in R4 and an oxygen may be an epoxy group, and R4 is an alkane triyl group having 3 to 10 carbon atoms; and b) a compound of formula II R3(EO)n(PO)m(BO)pX (II) wherein R3 is defined in the specification; n, m, and p are 0 to 50; X is hydrogen, mercapto group or amino group; when X is other than hydrogen, the sum of m, n, and p must be at least 1; the mole ratio of I:II is from about 0.6:1 to about 5:1; and aqueuos compositions containing them.Type: GrantFiled: July 20, 2001Date of Patent: January 28, 2003Assignee: Cognis CorporationInventors: Ayaz Khan, Samuel A. Firman, III, David W. Brown, John E. Nowicki
-
Patent number: 6509421Abstract: To an aromatic ring-bearing synthetic resin such as an aromatic polycarbonate resin or aromatic epoxy resin is added a minor amount of an organopolysiloxane which contains phenyl radicals and monofunctional siloxane units in a molecule wherein the contents of alkoxy radicals and hydroxyl radicals are each set at less than 2% by weight. Molded parts of the resin composition are flame retardant, optically transparent, and recyclable for reuse.Type: GrantFiled: March 5, 2001Date of Patent: January 21, 2003Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Akinari Itagaki, Masaaki Yamaya, Yoshiteru Kobayashi
-
Patent number: 6497960Abstract: The resin composition for a skin member according to the present invention comprises a completely or partially crosslinked olefin thermoplastic elastomer (A) in an amount of 100 parts by weight, an organopolysiloxane (B) having a viscosity (JIS K2283, 25° C.) of not less than 1×106 cSt, preferably 1×106 to 1×108 cSt in an amount of 2 to 20 parts by weight, an organopolysiloxane (C) having a viscosity (JIS K2283, 25° C.) of not less than 10 cSt and less than 1×106 cSt in an amount of 0.5 to 5 parts by weight, and optionally, a polyolefin resin (D) in an amount of 5 to 150 parts by weight and/or a fluoropolymer (E) in an amount of 0.5 to 10 parts by weight. The other resin composition for a skin member according to the invention comprises a completely or partially crosslinked olefin thermoplastic elastomer (A) in an amount of 100 parts by weight, a fluoropolymer (E) in an amount of 0.Type: GrantFiled: July 20, 1999Date of Patent: December 24, 2002Inventors: Kyoko Kobayashi, Masato Karaiwa, Kunihiko Mizumoto, Akira Uchiyama
-
Patent number: 6498206Abstract: A resin composition suitable as an impact modifier for thermoplastic resins, which has an excellent blocking resistance improved without lowering the effect of improving the impact resistance and which comprises 100 parts by weight of a graft copolymer containing a hollow rubber component and at least two additives selected from the group consisting of 0.1 to 10 parts by weight of a higher fatter acid soap, 0.1 to 10 parts by weight of a crosslinked polymer of 0.1 to 100% by weight of a crosslinking monomer and 0 to 99.9% by weight of a vinyl monomer and 0.001 to 5 parts by weight of a silicone oil.Type: GrantFiled: July 31, 2001Date of Patent: December 24, 2002Assignee: Kaneka CorporationInventors: Tosio Mizuta, Akio Sato, Tomomichi Hashimoto, Mitsuo Kakutani, Akira Takaki
-
Patent number: 6486237Abstract: The invention concerns a silicone composition cross-linkable by hydrosilylation into adhesive gel and absorber, characterized in that it comprises:(I) at least a polyorganosiloxane POS (I); (II) at least a polyorganosiloxane POS (II); (III) at least an adhesive promoter (III); (IV) hollow organic microspheres ; (V) optionally at least a polyorganosiloxane POS (V) particularly useful as diluent of POS (I); (VI) an effective amount of hydrosilylation catalyst, preferably of the platinous type.Type: GrantFiled: June 21, 2000Date of Patent: November 26, 2002Assignee: Rhodia ChimieInventors: Fabienne Howe, Christian Pusineri
-
Patent number: 6472076Abstract: There is provided an array of alkyl substituted silsesquioxane thin film precursors having a structure wherein alkyl groups are bonded to the silicon atoms of a silsesquioxane cage. The alkyl groups may be the same as, or different than the other alkyl groups. In a first aspect, the present invention provides a composition comprising a vaporized material having the formula [R—SiO1.5]x[H—SiO1.5]y, wherein x+y=n, n is an integer between 2 and 30, x is an integer between 1 and n and y is a whole number between 0 and n. R is a C1 to C100 alkyl group. Also provided are films made from these precursors and objects comprising these films.Type: GrantFiled: October 18, 1999Date of Patent: October 29, 2002Assignee: Honeywell International Inc.Inventor: Nigel P. Hacker
-
Patent number: 6465581Abstract: This invention relates to use of stabilized unsymmetrical coupling agents for use in conjugated diene-based rubber compositions reinforced with silica-based reinforcement, namely use of stabilized 2-benzothiazyl-3-(triethoxysilylpropyl) disulfide and 3-(triethoxysilyl)propyl-N-maleamic acid. Said stabilized unsymmetrical coupling agent materials may be provided for mixing with said diene-based rubber(s), for example, as individual materials, as at least one of said materials being pre-reacted with aggregates of precipitated silica, said precipitated silica having hydroxyl groups (e.g. silanol groups) on its surface. The invention includes an article of manufacture, including a tire, having at least one component comprised of such rubber composition.Type: GrantFiled: January 24, 2001Date of Patent: October 15, 2002Assignee: The Goodyear Tire & Rubber CompanyInventors: Lawson Gibson Wideman, Paul Harry Sandstrom, Theodore Lamson Folk
-
Patent number: 6461597Abstract: A cosmetic consists of a cosmetic raw material in the form of an emulsion of silicone or organic oil containing crosslinked particles mixed with other cosmetic raw materials. Its touch on fingers and skin is good, spreading and feel during use are good, and it can also prevent unruly hair, stray hair, and tangling of hair, so hair can easily be arranged. It imparts a fresh, dry feeling without any stickiness. The cosmetic raw material consists of the silicone or organic oil emulsion containing crosslinked particles with a mean particle diameter of 0.05 to 100 &mgr;m. Crosslinking is obtained by an hydrosilylation of liquid crosslinkable compositions consisting of (A) organic compounds with at least two aliphatic unsaturated bonds per molecule, (B) silicon containing organic compounds with at least two hydrogen atoms bonded to silicon atoms in each molecule, and (C) hydrosilylation reaction catalysts.Type: GrantFiled: November 7, 2000Date of Patent: October 8, 2002Assignee: Dow Corning Toray Silicone Co., LTD.Inventors: Yoshitsugu Morita, Kazuo Kobayashi, Ozaki Masaru
-
Patent number: 6455158Abstract: The present invention relates to the silanization or surface treatment of minerals with alkylsilanes and alkylsilane copolymers. More specifically, the present invention relates to alkylsilane copolymers useful for surface treating pigments or fillers. The alkylsilane copolymers comprise at least two different monomers. The copolymers find particular utility for the surface treatment of white pigments, such as titanium dioxide, for improving the dispersibility and processibility of the pigments when compounded with a polymeric material, in particular, when compounded with polyolefins.Type: GrantFiled: June 16, 2000Date of Patent: September 24, 2002Assignee: Crompton CorporationInventors: Henry L. Mei, Louis M. Panzer, Herbert E. Petty, Philbert E. Ramdatt, Robert E. Christie, Juan Alfonso
-
Patent number: 6451863Abstract: The invention relates to the use of water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers of the general average formula wherein the variables and indices are described herein as defoaming agents for aqueous media. This invention also provides for defoaming compositions comprising said Water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers.Type: GrantFiled: May 11, 2000Date of Patent: September 17, 2002Assignee: Golschmidt AGInventors: Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Stefan Silber, Roland Sucker
-
Patent number: 6447913Abstract: To provide a thermoplastic polyester resin composition which has a very good durability to alkaline solutions for a long period of time. That is, a thermoplastic polyester resin composition, wherein a thermoplastic polyester resin (A) is compounded with 1-25% by weight (in the total composition) of impact resistance rendering materials (B), 0.1-15% by weight (in the total composition) of a silicone compound and/or a fluorine compound (C), 1-50% by weight (in the total composition) of an inorganic filler (D), and 0.1-10% by weight of at least one polyfunctional compound (E) selected from the group consisting of an epoxy compound, an isocyanate compound and a carboxylic acid dianhydride. A molded article of the present invention has anti-stress properties even in a weld part thereof.Type: GrantFiled: January 25, 2001Date of Patent: September 10, 2002Assignees: Polyplastics Co., LTD, Denso CorporationInventors: Kazufumi Watanabe, Takayuki Ishikawa, Toru Katsumata, Tetsuya Hirose, Hiroyuki Wakabayashi
-
Patent number: 6433028Abstract: The invention relates to the use of water-insoluble polyoxyalkylene-polysiloxane block copolymers of the general average formula wherein the variables and indices are described herein as defoaming agents for aqueous media. This invention also provides for defoaming compositions comprising said water-insoluble polyoxyalkylene-polysiloxane block copolymers as well as coating materials, printing inks and cooling lubricants containing the inventive defoaming compositions.Type: GrantFiled: May 11, 2000Date of Patent: August 13, 2002Assignee: Goldschmidt AGInventors: Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Stefan Silber, Roland Sucker
-
Patent number: 6429239Abstract: The invention concerns a dispersion powder composition which is redispersible in water and is made from water-insoluble organic polymers, the composition being characterized in that it contains 0.1 to 30% by wt., relative to the weight of the organic polymers, of one or more silicon compounds which are dispersible in water and which have a boiling point at normal pressure of 160 degrees C., selected from the group comprising the silanes, polysilanes, oligosiloxanes, carbosilanes, polycarbosilanes, carbosiloxanes, polycarbosiloxanes and polysilylenedisiloxanes. The invention also concerns methods for manufacturing such compounds and their use.Type: GrantFiled: August 16, 2000Date of Patent: August 6, 2002Assignee: Wacker-Chemie GmbHInventors: Herbert Eck, Klaus Adler, Heinrich Hopf, Franz Jodlbauer, Dieter Gerhardinger
-
Patent number: 6429246Abstract: A nonflammable, halogen-free mixture for making thermoplastic polymer materials with increased heat resistance, particularly for manufacturing electrical and optical cables and lines. The mixture comprises: a block or randon block copolymer of polypropylene; a salt of a metal selected from the group consisting of Group II, IIa and IIb metals; a metal hydroxide; a silicone material-selected from the group silicone oil, silicone rubber, and combinations thereof.Type: GrantFiled: March 17, 1997Date of Patent: August 6, 2002Assignee: AlcatelInventor: Friedemann Rous
-
Patent number: 6423417Abstract: A non-stick polymer coated aluminum foil and method of making it. The polymer coating composition comprises a silicone resin, a silicone release agent, a silicone curing agent, a hindered phenol antioxidant and a solvent. The method of making the non-stick polymer coated aluminum foil includes applying the polymer coating composition on at least a portion of one side of the aluminum foil and partially curing the coating composition to allow handling and future processing of the coated aluminum foil without blocking of the coating composition. The curing of the coating composition is completed by heating the coated aluminum foil in bulk.Type: GrantFiled: May 24, 2000Date of Patent: July 23, 2002Assignee: Reynolds Metals CompanyInventor: Bruce Robbins
-
Publication number: 20020091181Abstract: The present invention relates to siloxy compounds of the formula 1Type: ApplicationFiled: February 12, 2002Publication date: July 11, 2002Inventor: Thierry Florent Edme Materne
-
Patent number: 6417271Abstract: A vulcanized, olefinic elastomer composition comprising (A) 1 to 99 parts by weight of an ethylene-&agr;-olefin copolymer prepared using a metallocene catalyst which copolymer comprises an ethylene unit and an &agr;-olefin unit having 3 to 20 carbon atoms and (B) 1 to 99 parts by weight of a polypropylene resin, provided that the total amount of the components (A) and (B) is 100 parts by weight, wherein (C) a polyorganosiloxane having a dynamic viscosity at 25° C. of at least 5,000 centistokes is contained in a proportion of 0.01 to 20 parts by weight per 100 parts by weight of a total of the components (A) and (B).Type: GrantFiled: March 31, 2000Date of Patent: July 9, 2002Assignee: Asahi Kasei Kabushiki KaishaInventors: Hajime Nishihara, Shinichi Shibayama, Naohiko Sato
-
Patent number: 6414062Abstract: A fluorinated curable composition contains as main components, (A) a linear polyfluoro compound of the formula (1): CH2═CH—(X)a—Rf1—(X)a—CH═CH2 (1) wherein X is —CH2—, —CH2O—, etc., Rf1 is a divalent perfluoroalkylene or perfluorooxyalkylene group, and “a” is 0 or 1, (B) a linear polyfluoro compound of the formula (2): Rf2—(X)a—CH═CH2 (2) wherein X and “a” are as defined above, and Rf2 is a monovalent perfluoroalkyl or perfluorooxyalkyl group, (C) an organosilicon compound having at least two hydrosilyl groups, (D) a platinum group catalyst, and (E) a fluorinated organopolysiloxane. The composition is vacuum deaeratable and foam breakable, cures into a gel having improved chemical and solvent resistance, and is suited for the potting, sealing and coating of electric and electronic parts.Type: GrantFiled: September 1, 2000Date of Patent: July 2, 2002Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Kenichi Fukuda, Hiromasa Yamaguchi, Masatoshi Arai
-
Patent number: 6410623Abstract: A thermoplastic elastomer resin composition that is flexible and has superior wear resistant, oil resistant and appearance suited for automotive interior materials, and does not contain chlorine. The composition contains (a) 100 parts by weight of a block polymer composed of at least two polymeric blocks A (primarily vinyl aromatic compounds) and at least one polymeric block B (primarily conjugate diene compounds); (b) 50-170 parts by weight of a polyolefin-based resin; (c) 100-300 parts by weight of non-aromatic plasticizer for rubber; (d) 50-170 parts by weight of a thermoplastic elastomer composition containing crystalline polyolefin resin and completely or partially crosslinked ethylene-&agr;-olefin polymer (e) 5-50 parts by weight of silicon oil whose viscosity is 50,000 centistoke or more.Type: GrantFiled: January 21, 2000Date of Patent: June 25, 2002Assignee: Sumitomo Bakelite Company LimitedInventor: Ryoichi Okuda
-
Patent number: 6403105Abstract: A condensation curable coating composition comprises the following and any reaction product thereof: (A) a room temperature vulcanizable polyorganosiloxane composition; and (B) a marine foul release-enhancing proportion of at least one organic compatible silicone fluid free from silanol groups and being capable of blooming to the surface of a cured product of component A.Type: GrantFiled: October 25, 2000Date of Patent: June 11, 2002Assignee: General Electric CompanyInventor: Judith Stein
-
Patent number: 6391831Abstract: The invention relates to the use of a water-insoluble polyoxyarylene-polysiloxane block copolymers of the general average formula wherein the variables and indices are described herein as defoaming agents for aqueous media. This invention also provides for defoaming compositions comprising said water-insoluble block copolymers.Type: GrantFiled: May 11, 2000Date of Patent: May 21, 2002Assignee: Goldschmidt AGInventors: Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Stefan Silber, Roland Sucker
-
Patent number: 6384119Abstract: The present invention provides a coating composition comprising no more than 2.00% by weight nonvolatile of Si-containing compounds, based on the total nonvolatile weight of the coating composition, and from 0.25 to no more than 5.0% by weight of a volatile linear siloxane of the formula: (R)3—Si—O—((R)2—Si—O)y—Si—(R)3 wherein R is H or an alkyl group of from 1 to 3 carbon atoms and y is a number from 0 to 6, based on the total nonvolatile weight of the coating composition. The invention also provides a method of providing a cured coating composition having an improved distinctness of image as well as a method of coating a substrate. The compositions of the invention have improved resistance to visual defects believed to be caused by surface contamination, such as “fisheyes” or “cratering” and “telegraphing”.Type: GrantFiled: July 7, 2000Date of Patent: May 7, 2002Assignee: BASF CorporationInventors: Anthony J. Tye, Ali A. Rihan
-
Patent number: 6372860Abstract: In a silicone rubber composition comprising an organopolysiloxane as a base polymer, 0.1-50 parts by weight of a modified silicone fluid having a melting point of up to 100° C. and a refractive index difference of 0.01-0.05 from the base polymer is blended per 100 parts by weight of the composition. The composition is cast and cured to form a mother mold which maintains parting properties over a long term.Type: GrantFiled: April 5, 2000Date of Patent: April 16, 2002Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Kei Miyoshi, Kouichi Tanaka
-
Patent number: 6365670Abstract: Organopolysiloxane gels containing gel-bound hydrophillic groups are prepared by reacting a hydrosilylatable unsaturated organopolysiloxane resin, a crosslinker bearing Si—H bound hydrogen, and a hydrosilylatable unsaturated hydrophile, in the presence of an effective amount of a hydrosilylation catalyst, at least a portion of the reaction taking place in the presence of at least 60 weight percent of an oleaginous composition containing at least 50 weight percent low viscosity organopolysiloxane. When sheared, the crosslinked organosiloxane compositions form a stable, preferably incompatible gel which may be used in turn to form a stable emulsion with large amounts of ordinarily incompatible hydrophillic liquids. The emulsions thus formed are suitable for use in a wide variety of cosmetic products.Type: GrantFiled: March 10, 2000Date of Patent: April 2, 2002Assignee: Wacker Silicones CorporationInventor: Bryan E. Fry
-
Patent number: 6361716Abstract: A curable silicone composition for preparing a silicone adhesive, the composition comprising (A) an organopolysiloxane containing an average of at least two silicon-bonded alkenyl groups per molecule; (B) an organohydrogenpolysiloxane containing an average of at least two silicon-bonded hydrogen atoms per molecule in a concentration sufficient to cure the composition; (C) an electrically conductive filler in an amount sufficient to impart electrical conductivity to the silicone adhesive, wherein the filler comprises particles having at least an outer surface of a metal selected from silver, gold, platinum, palladium, and alloys thereof; (D) an effective amount of a hydroxy-functional organic compound having a molecular weight up to about 1000 and containing at least one hydroxy group per molecule, provided the compound is free of acetylenic hydroxy groups and the compound does not substantially inhibit cure of the composition; and (E) a catalytic amount of a hydrosilylation catalyst.Type: GrantFiled: July 20, 2000Date of Patent: March 26, 2002Assignee: Dow Corning CorporationInventors: Don Lee Kleyer, Michael Andrew Lutz