Sulfur Patents (Class 524/289)
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Patent number: 9873022Abstract: An object of the present invention is to provide a golf ball having a low spin rate on driver shots. The present invention provides a golf ball comprising a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a rubber composition containing (a) base rubber, (b) an ?,?-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator and (d) a carboxylic acid having a benzene ring and/or a salt thereof, provided that the rubber composition further contains (e) a metal compound in case of containing only (b) the ?,?-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.Type: GrantFiled: September 22, 2015Date of Patent: January 23, 2018Assignee: DUNLOP SPORTS CO. LTD.Inventors: Ryota Sakamine, Chiemi Mikura, Shun Kurihara, Ayaka Shindo
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Patent number: 9771466Abstract: Plasticizers of glycol ether-based cyclohexanoate esters and blends thereof with thermoplastic polymers, such as PVC, are disclosed.Type: GrantFiled: October 29, 2014Date of Patent: September 26, 2017Assignee: ExxonMobil Chemical Patents Inc.Inventors: Abhimanyu O. Patil, Satish Bodige
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Patent number: 9562202Abstract: A synergistic mixture comprising from 1 to 99.9% by weight of compounds having structural elements (I) in which the free valencies on the oxygen atom and on the nitrogen atom may be combined to form a five-, six- or seven-membered ring and the benzene ring may also bear substituents at one or more of the free positions, and from 0.1 to 99% by weight of sulfur-containing organic compounds with antioxidant action. This synergistic mixture is suitable as a stabilizer for stabilizing inanimate organic material, especially mineral oil products and fuels, against the action of light, oxygen and heat.Type: GrantFiled: September 26, 2013Date of Patent: February 7, 2017Assignee: BASF SEInventors: Arno Lange, Dietmar Posselt
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Patent number: 9080127Abstract: A composition comprising at least one compound represented by the following formula (Z) is disclose. A-L-{D1-(E)q-D2-(B)m—Z1—R}p??(Z) In the formula, A represents a p-valent, linear or cyclic residue; L represents a single bond or a divalent linking group; p indicates an integer of at least 2; D1 represents a carbonyl group (—C(?O)—) or a sulfonyl group (—S(?O)2—); D2 represents a carbonyl group (—C(?O)—), a sulfonyl group (—S(?O)2—), a carboxyl group (—C(?O)O—), a sulfoxyl group (—S(?O)2O—), a carbamoyl group (—C(?O)N(Alk)-), or a sulfamoyl group (—S(?O)2N(Alk)-); E represents a divalent group; R represents a hydrogen atom, or a substituted or unsubstituted alkyl group having at most 7 carbon atoms; B represents oxyethylene group or the like; Z1 represents a single bond, or a divalent group.Type: GrantFiled: June 23, 2010Date of Patent: July 14, 2015Assignee: FUJIFILM CorporationInventors: Ken Kawata, Saisuke Watanabe, Hiroshi Kawamoto
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Patent number: 9061985Abstract: The present invention provides a method for concentrating an aqueous solution containing at least 3-hydroxy-2,2-dimethyl propanal and/or a dimer thereof, which includes subjecting a mixed solution of an aqueous solution containing at least 3-hydroxy-2,2-dimethyl propanal and/or a dimer thereof and an azeotropic agent to azeotropic distillation in a distillation column to distil off water and the azeotropic agent from the mixed solution, wherein the mixed solution is prepared by adding, as the azeotropic agent, at least one selected from the group consisting of 1-butanol, 2-butanol, 2-methyl-1-propanol, 1-pentanol and 1-hexanol to the aqueous solution.Type: GrantFiled: March 2, 2012Date of Patent: June 23, 2015Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Yutaka Matsuura, Ikutaro Kuzuhara, Masahiro Yamane
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Publication number: 20150119513Abstract: The present invention provides a stabilizer composition comprising a monoester and diester of alkylmercapto carboxylic acid of bisphenol sulfide, which is capable of maintaining good ease of handling without causing precipitation of solids even in low temperature environments.Type: ApplicationFiled: May 23, 2013Publication date: April 30, 2015Applicant: ADEKA CORPORATIONInventors: Naoshi Kawamoto, Yoshinori Negishi, Takashi Ayabe, Tsuyoshi Urushihara, Tomomasa Teduka, Shingo Yamada
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Patent number: 8907020Abstract: An object of the present invention is to provide a golf ball having high resilience. The present invention provides a golf ball having a constituting member, wherein at least a part of the constituting member is formed from a rubber composition containing (a) a base rubber, (b) a co-crosslinking agent, (c) a crosslinking initiator, and (d) an organic sulfur compound, the organic sulfur compound being derivatives of thiophenols and disulfide with a strong electron withdrawing substituent.Type: GrantFiled: November 23, 2011Date of Patent: December 9, 2014Assignee: SRI Sports LimitedInventors: Hiromasa Tsunashima, Yumi Kanemitsu, Kazuhisa Fushihara, Mikio Yamada
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Patent number: 8765990Abstract: Disclosed is a compound represented by formula (1): wherein R1 and R3 each independently represent an alkylene group having 1 to 10 carbon atoms or an arylene group; R2 and R4 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or an aryl group; and l, n and m each independently represent a natural number of 1 to 3.Type: GrantFiled: August 9, 2011Date of Patent: July 1, 2014Assignee: Fuji Xerox Co., Ltd.Inventor: Kenji Yao
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Patent number: 8298368Abstract: A composition for and method for bonding a substrate. In general, applied to a substrate will be a primer composition that includes an adhesion promoter, which is an adduct prepared by the reaction of at least one aromatic polyisocyanate compound, with an active hydrogen containing moiety of an organofunctional silane, and a prepolymer derived from the reaction of at least one aliphatic polyisocyanate and a polyol, and is at least partially reacted with an active hydrogen containing moiety of an organofunctional silane.Type: GrantFiled: May 20, 2011Date of Patent: October 30, 2012Assignee: Dow Global Technologies LLCInventors: Stefan Schmatloch, Dirk Schwöeppe
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Patent number: 8258217Abstract: The instant invention relates to a composition comprising a) an organic material which is susceptible to oxidative, thermal or light-induced degradation, and b) at least one compound of the formula (I) wherein the general symbols are as defined in claim 1; especially wherein at least one of the radicals R2, R3 or R4 is —CH2—CH(CH3)—S(O)p—R12, —CH2—CH2—CH2—S(O)p—R12, —CH2—CH(R11)—CH2—R12 or —CH2—CH?CH—R12, R11 is hydrogen or halogen, R12 is a monovalent perfluorinated alkyl or alkenyl, linear or branched organic radical having four to twenty fully fluorinated carbon atoms; or —CH2CH2(CF2)mCF3, m is 3 to 12, and p is 0, 1 or 2. The compounds of the formula I are useful as reducers of surface energy for organic materials, for example synthetic polymer.Type: GrantFiled: August 29, 2007Date of Patent: September 4, 2012Assignee: BASF SE LudwigshafenInventors: Michèle Gerster, Manuel Mihalic
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Publication number: 20120129995Abstract: The present invention pertains to a concentrated aqueous polymer dispersion with an average particle size of less than 1000 nm comprising a polymer carrier, a non-polar organic phenolic antioxidant and a surfactant. The present invention also pertains to a process for the preparation of said concentrated aqueous polymer dispersion, to a polymer powder obtainable from said concentrated aqueous polymer dispersion, to a composition comprising an organic material and said concentrated aqueous polymer dispersion or said polymer powder and to the use of said concentrated aqueous polymer dispersion or said polymer powder as stabiliser for organic material.Type: ApplicationFiled: July 27, 2010Publication date: May 24, 2012Applicant: BASF SEInventors: Frank Oliver Heinrich Pirrung, Clemens Auschra, Christof Hasler
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Publication number: 20120013698Abstract: Disclosed herein is a thermal transfer sheet including: a dye layer which is provided on one side of a substrate and which contains an indoaniline dye; and a transferred image coating layer provided on that side of the substrate on which the dye layer is formed, the transferred image coating layer being operable to coat an image thermally transferred onto a transferred image receiving sheet, wherein the transferred image coating layer contains a compound having a predetermined structure and a binder resin, and the content of the compound having the predetermined structure is 0.5 to 8 parts by mass based on 100 parts by mass of the binder resin.Type: ApplicationFiled: September 23, 2011Publication date: January 19, 2012Inventor: Satoru SHINOHARA
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Publication number: 20110308836Abstract: The invention relates to cover compositions for electric power cables having a polyolefin and a styrene copolymer. The styrene copolymer 1) has a styrene content of 55 percent (by weight base on the total styrene copolymer) or greater; 2) contains a random arrangement of styrene and at least one other block polymer; and/or 3) contains a triblock having the formula S-AS-S, wherein S is styrene and A is alkylene or a mixture of different alkylenes. The cover can be an insulation or a jacket.Type: ApplicationFiled: June 17, 2011Publication date: December 22, 2011Applicant: General Cable Technologies CorporationInventors: Jianmin LIU, Vijay MHETAR, James FREESTONE
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Publication number: 20100233405Abstract: Disclosed are stabilized blends of polyester and polyamide. The polymer blends are stabilized with A) a combination of stabilizers a) acetaldehyde scavengers and b) stabilizers selected from phenolic antioxidants, organic phosphorus stabilizers and lactone stabilizers or B) a combination of c) lactone stabilizers and d) stabilizers selected from phenolic antioxidants and organic phosphorus stabilizers. The present blends exhibit reduced color formation, a high level of whiteness/brightness and acceptably low haze formation upon heat treatment. The blends are useful to make bottles, containers and films for drinks, food and cosmetics and the like. The polyester is in particular polyethylene terephthalate, PET, and the polyamide is in particular polyamide-MXD6. Heat treatment is for example melt extrusion or solid state polymerization, SSP.Type: ApplicationFiled: March 11, 2010Publication date: September 16, 2010Applicant: CIBA CORPORATIONInventors: Stephen M. Andrews, Paul A. Odorisio, Yijun Ye
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Publication number: 20100227095Abstract: To provide an acrylic rubber composition and a vulcanized rubber that ensure heat resistance of the vulcanized rubber, especially less changes in the elongation at break (EB) and hardness of the vulcanized rubber under heating conditions. An acrylic rubber composition comprising a carboxyl group-containing acrylic rubber and, per 100 parts by mass of the carboxyl group-containing acrylic rubber, from 10 to 100 parts by mass of carbon black, from 0.1 to 15 parts by mass of at least one primary antioxidant selected from the group consisting of an amine antioxidant and a phenolic antioxidant and from 0.1 to 15 parts by mass of at least one secondary antioxidant selected from the group consisting of a phosphorus antioxidant and a sulfur antioxidant.Type: ApplicationFiled: May 21, 2008Publication date: September 9, 2010Applicant: Denki Kagaku Kogyo Kabushiki KaishaInventors: Toshiaki Miyauchi, Yasushi Abe
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Publication number: 20100130660Abstract: The invention describes an improved method for the preparation of rubber compounds which comprises compounding the rubber and the components at 125-200° C. in the presence of an amount of 0.Type: ApplicationFiled: March 10, 2008Publication date: May 27, 2010Applicant: CIBA CORPORATIONInventors: Gerrit Knobloch, Eva Peregi, Pierre Rota-Graziosi
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Publication number: 20100055408Abstract: A light absorbent for forming an organic anti-reflective layer, represented by the following formula 1 or formula 2, is provided: wherein A represents a substituted or unsubstituted, linear or branched, saturated tetravalent hydrocarbon group, a substituted or unsubstituted, linear or branched, saturated hydrocarbon group and containing one or more heteroatoms, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heteroaromatic group, a substituted or unsubstituted alicyclic group, a substituted or unsubstituted heteroalicyclic group, a substituted or unsubstituted diaryl ether, a substituted or unsubstituted diaryl sulfide, a substituted or unsubstituted diaryl sulfoxide, a substituted or unsubstituted diaryl ketone, or a substituted or unsubstituted diaryl bisphenol A; R1, R2, and R3 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group a substituted or unsubstituted aryl group, a substituted or unsubstituted acetal group, oType: ApplicationFiled: January 15, 2009Publication date: March 4, 2010Applicant: Korea Kumho Petrochemical Co., Ltd.Inventors: Jong-Don Lee, Jun-Ho Lee, Shin-Hyo Bae, Seung-Hee Hong, Seung-Duk Cho
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Patent number: 7622526Abstract: The invention relates to a thermoset plastic material, comprising a three-dimensional matrix containing sulphur atoms and at least one anti-plasticizing additive which is unreactive toward said matrix.Type: GrantFiled: September 29, 2004Date of Patent: November 24, 2009Assignee: Essilor InternationalInventors: Nicolas Droger, Jean-Louis Halary, Gilles Richard, Martin Rickwood
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Publication number: 20090264567Abstract: A composition is disclosed that includes at least one polyolefin, at least one organic peroxide, and an antioxidant mixture of a composition of at least one polyolefin, at least one organic peroxide, and an antioxidant mixture. The antioxidant mixture has at least one fast radical scavenger selected from the group consisting of low hindered phenols, low hindered thiophenols, low hindered thiobisphenols, aliphatic amines, aromatic amines, NOR HALS, hydroxylamines, and mixtures thereof, and at least one long term stabilizer selected from the group consisting of low hindered phenols, highly hindered phenols, thiosynergists, aliphatic amines, aromatic amines, HALS, hydroxylamines, and mixtures thereof. The preferred polyolefin is a homopolymer of ethylene or a copolymer of ethylene and the compositions are useful in insulating media for medium and high voltage wire and cable applications.Type: ApplicationFiled: April 25, 2006Publication date: October 22, 2009Inventors: Anne-Marie Prins, Klaus Keck-Antoine, Jonathan Simon Hill, Joachim Bayer, Brian W. Johnson
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Publication number: 20090242822Abstract: The instant invention relates to a composition comprising a) an organic material which is susceptible to oxidative, thermal or light-induced degradation, and b) at least one compound of the formula (I) wherein the general symbols are as defined in claim 1; especially wherein at least one of the radicals R2, R3 or R4 is —CH2—CH(CH3)—S(O)p—R12, —CH2—CH2—CH2—S(O)p—R12, —CH2—CH(R11)—CH2—R12 or —CH2—CH?CH—R12, R11 is hydrogen or halogen, R12 is a monovalent perfluorinated alkyl or alkenyl, linear or branched organic radical having four to twenty fully fluorinated carbon atoms; or —CH2CH2(CF2)mCF3, m is 3 to 12, and p is 0, 1 or 2. The compounds of the formula I are useful as reducers of surface energy for organic materials, for example synthetic polymer.Type: ApplicationFiled: August 29, 2007Publication date: October 1, 2009Inventors: Michele Gerster, Manuel Mihalic
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Patent number: 7585571Abstract: Esters of cyclohexane polycarboxylic acids are used as plasticisers for polyvinyl chloride to enable products with comparable mechanical properties to be obtained using less polyvinyl chloride. Use of these esters also produces formulations with increased stability to ultra-violet light, improved low temperature properties, lower viscosity and improved processability as well as reduced smoke on burning. The esters of cyclohexane polycarboxylic acids may be used alone or in admixture with other plasticisers when the esters of cyclohexane polycarboxylic acids may act as viscosity depressants. Fast fusing plasticisers may also be included. The formulations are particularly useful in the production of a range of goods from semi-rigid to highly flexible materials and are particularly useful in the production of medical materials such as blood bags and tubing.Type: GrantFiled: July 14, 2008Date of Patent: September 8, 2009Assignee: Exxonmobil Chemical Patents Inc.Inventors: Claudius Gosse, Thomas Marshall Larson, Pierre Jean Paul Legrand, Raphael Frans Caers, Paul H Daniels, Allen D. Godwin, Didier Naert
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Publication number: 20090203817Abstract: Compounds of the formula (I) as defined herein are useful for stabilizing spandex. Stabilized spandex compositions are obtained by intermixing spandex polymer or prepolymer with stabilizing amounts of one or more compounds of the formula (I). Preferred stabilized spandex polymer or prepolymer compositions exhibit improved color stability.Type: ApplicationFiled: April 12, 2007Publication date: August 13, 2009Inventors: Joseph A. Stretanski, Thomas Sassi, Ram B. Gupta
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Patent number: 7553897Abstract: A novel organic thiol stabilizer for PVC is described herein. Specifically, this novel thiol stabilizer for PVC is dipentaerythritol hexakis(mercaptoacetate). The organic thiol stabilizer of the present invention, when blended with halogen-containing polymers such as PVC, or derivatives thereof, provides advantages in cost and/or performance relative to existing organic stabilizers for PVC.Type: GrantFiled: January 11, 2007Date of Patent: June 30, 2009Assignee: College of William and MaryInventor: William H Starnes, Jr.
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Publication number: 20080311065Abstract: The present invention relates to macromonomer compounds possessing antioxidant properties, antioxidant polymers comprising the antioxidant macromonomers as a recurring unit, and methods of inhibiting oxidation in a substance comprising contacting the substance with the antioxidant polymers. In one embodiment, substantially all of the recurring macromonomeric units of the antioxidant polymers comprise an antioxidant moiety. In another embodiment, all of the recurring macromonomer units of the antioxidant polymers comprise an antioxidant moiety. The method of the present invention, yields antioxidant polymers with substantially all of the recurring units comprising an antioxidant moiety. These antioxidant polymers have greater bulk antioxidative properties than previously known.Type: ApplicationFiled: May 28, 2008Publication date: December 18, 2008Inventor: Ashok L. Cholli
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Publication number: 20080306190Abstract: The present invention relates to ester mixtures composed of alkyl benzyl esters and of polybenzyl esters, in particular of trimellitic esters, to a process for preparation of these ester mixtures, and also to their use as plasticizers.Type: ApplicationFiled: April 17, 2008Publication date: December 11, 2008Inventors: Thomas Weiss, Eberhard Kuckert, Melanie Wiedemeier, Jan-Gerd Hansel
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Patent number: 7413813Abstract: Esters of cyclohexane polycarboxylic acids are used as plasticisers for polyvinyl chloride to enable products with comparable mechanical properties to be obtained using less polyvinyl chloride. Use of these esters also produces formulations with increased stability to ultra-violet light, improved low temperature properties, lower viscosity and improved processability as well as reduced smoke on burning. The esters of cyclohexane polycarboxylic acids may be used alone or in admixture with other plasticisers when the esters of cyclohexane polycarboxylic acids may act as viscosity depressants. Fast fusing plasticisers may also be included. The formulations are particularly useful in the production of a range of goods from semi-rigid to highly flexible materials and are particularly useful in the production of medical materials such as blood bags and tubing.Type: GrantFiled: August 29, 2007Date of Patent: August 19, 2008Assignee: ExxonMobil Chemical Patents Inc.Inventors: Claudius Gosse, Thomas Marshall Larson, Pierre Jean Paul Legrand, Raphael Frans Caers, Paul H Daniels, Allen D. Godwin, Didier Naert
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Patent number: 7312266Abstract: Organic thiol compounds based on pentaerythritol and dipentaerythritol are described herein. More specifically, the compounds of the present invention are mixed esters of pentaerythritol and dipentaerythritol having at least one sulfhydryl group and preferably a plurality of sulfhydryl groups as well as at least one non-thiol-containing group. The organic thiol compounds are utilized to plasticize and/or heat stabilize halogen-containing polymer compositions especially poly(vinyl chloride) compositions. The compositions are substantially free or free of metal-based stabilizers, Lewis acids and terpenes. The compounds of the present invention are ideally utilized in polymers normally susceptible to deterioration and color change which can occur during processing of the polymer or exposure of the polymer to certain environments and surprisingly also serve as excellent plasticizers.Type: GrantFiled: October 12, 2004Date of Patent: December 25, 2007Assignee: The College of William and MaryInventors: William Herbert Starnes, Jr., Bin Du
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Patent number: 7250457Abstract: Aromatic and aliphatic organic thiol compounds are disclosed which can be utilized to plasticize and/or stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in polymers normally susceptible to deterioration and color change, which typically occurs during processing of the polymer or exposure to certain environments.Type: GrantFiled: May 19, 2004Date of Patent: July 31, 2007Assignee: The College of William and MaryInventors: William Herbert Starnes, Jr., Bin Du
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Patent number: 7030181Abstract: A film or sheet having a glass transition temperature below about 23° C. and a melting temperature greater than about 120° C. is prepared by first preparing a polyester composition of about 50 to about 95 weight percent of a base copolyester having a melting temperature of less than about 220° C. and exhibiting more than about 1 percent crystallinity after annealing for 2000 minutes at a temperature of which the base copolyester has a maximum crystallization rate; and about 5 to about 50 weight percent of a plasticizer suitable for use with the base copolyester. The polyester composition is formed into a film or sheet. During formation of the film or sheet or afterwards, crystallization is induced to provide a soft and flexible film or sheet.Type: GrantFiled: February 28, 2002Date of Patent: April 18, 2006Assignee: Eastman Chemical CompanyInventors: Eric Jon Moskala, Kevin Douglas Horton, Rodney Layne Piner, John Walker Gilmer
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Patent number: 6995230Abstract: The invention relates to stabilizers containing at least two phenolic groups bonded to one another via a connecting radical (II) which is a polyol with a number-average molecular weight of from 75×F g/mol to 250×F g/mol, preferably from 100×F g/mol to 200×F g/mol, in particular from 100×F g/mol to 150×F g/mol, where the term F is the number of phenolic groups in the molecule.Type: GrantFiled: July 4, 2001Date of Patent: February 7, 2006Assignee: BASF AktiengesellschaftInventors: Hauke Malz, Thomas Flug, Peter Böhme, Markus Kamieth
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Patent number: 6927247Abstract: Organic thiol compounds including mercaptophenylcarboxylates are disclosed which can be utilized to plasticize and/or stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in polymers normally susceptible to deterioration and color change, which typically occurs during processing of the polymer or exposure to certain environments.Type: GrantFiled: June 12, 2003Date of Patent: August 9, 2005Assignee: The College of William and MaryInventors: William Herbert Starnes, Jr., Soungkyoo Kim
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Patent number: 6852378Abstract: An ink jet-recording sheet for forming recorded images using liquid ink comprises a combination of specific compounds, for instance, 1,2-bis(2-hydroxyethylthio)ethane and a homopolymers or copolymer of diallylamine type compounds such as poly(diallylamine)hydrochloride, poly(diallylamine)sulfate, poly(diallylamine) phosphate or poly(diallylamine)acetate. The ink jet-recording sheet can ensure a high density of printed images, can provide images having high quality, shows only a slight color change and discoloration of printed images even when exposed to ozone gas and is excellent in the long-term shelf life.Type: GrantFiled: September 22, 2003Date of Patent: February 8, 2005Assignee: Oji Paper Co., Ltd.Inventors: Tetsuo Tsuchida, Jun Nishio, Masahiro Morie
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Publication number: 20040220310Abstract: Aromatic and aliphatic organic thiol compounds are disclosed which can be utilized to plasticize and/or stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in polymers normally susceptible to deterioration and color change, which typically occurs during processing of the polymer or exposure to certain environments.Type: ApplicationFiled: May 19, 2004Publication date: November 4, 2004Applicant: The College of William and MaryInventors: William Herbert Starnes, Bin Du
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Patent number: 6762231Abstract: Aromatic and aliphatic organic thiol compounds are disclosed which can be utilized to plasticize and/or stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in polymers normally susceptible to deterioration and color change, which typically occurs during processing of the polymer or exposure to certain environments.Type: GrantFiled: June 19, 2001Date of Patent: July 13, 2004Assignee: The College of William and MaryInventors: William Herbert Starnes, Jr., Bin Du
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Patent number: 6753365Abstract: A composition useful in the manufacturing of plastic cookware includes a polyetherimide resin and an acidic additive selected from the group consisting of aliphatic carboxylic acids having a vapor pressure less than one atmosphere at 300° C., aromatic carboxylic acids having a vapor pressure less than one atmosphere at 300° C., and combinations comprising at least one of the foregoing acidic additives. In one embodiment, the composition further comprises an additional resin, such as a polyester resin. The acidic additive is effective in improving the mold release and increasing the melt flow of the composition. Articles including the composition and a method for preparing the composition are also described.Type: GrantFiled: February 19, 2002Date of Patent: June 22, 2004Assignee: General Electric CompanyInventors: Sterling Bruce Brown, Jennifer L. David, Robert Russell Gallucci, Yimin Jin, Martin J. Lindway
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Patent number: 6747081Abstract: Organic thiol compounds including aromatic, aliphatic, and diester ether compounds containing sulfhydryl groups are disclosed which can be utilized to plasticize and/or stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in polymers normally susceptible to deterioration and color change, which typically occurs during processing of the polymer or exposure to certain environments.Type: GrantFiled: June 14, 2002Date of Patent: June 8, 2004Assignee: The College of William and MaryInventor: William Herbert Starnes, Jr.
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Patent number: 6667357Abstract: Organic thiol compounds are disclosed which can be utilized to plasticize and stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in polymers normally susceptible to deterioration and color change, which typically occurs during processing of the polymer or exposure to certain environments.Type: GrantFiled: December 15, 2000Date of Patent: December 23, 2003Assignee: The College of William and MaryInventors: William Herbert Starnes, Jr., Bin Du
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Publication number: 20030220429Abstract: Organic thiol compounds including mercaptophenylcarboxylates are disclosed which can be utilized to plasticize and/or stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in polymers normally susceptible to deterioration and color change, which typically occurs during processing of the polymer or exposure to certain environments.Type: ApplicationFiled: June 12, 2003Publication date: November 27, 2003Inventors: William Herbert Starnes, Soungkyoo Kim
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Patent number: 6652930Abstract: An ink jet-recording sheet for forming recorded images using liquid ink comprises a combination of specific compounds, for instance, 1,2-bis (2-hydroxyethylthio) ethane and a homopolymers or copolymer of diallylamine type compounds such as poly (diallylamine) hydrochloride, poly (diallylamine) sulfate, poly (diallylamine) phosphate or poly (diallylamine) acetate. The ink jet-recording sheet can ensure a high density of printed images, can provide images having high quality, shows only a slight color change and discoloration of printed images even when exposed to ozone gas and is excellent in the long-term shelf life.Type: GrantFiled: October 4, 2001Date of Patent: November 25, 2003Assignee: Oji Paper Co., Ltd.Inventors: Tetsuo Tsuchida, Jun Nishio, Masahiro Morie
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Patent number: 6646028Abstract: A process is provided for making a carbon-filled rubber having a uniform dispersion of nanometric-sized carbon black particles. Fluffy carbon black is received as a slurry in water and added to latex rubber before or during coagulation in an emulsion styrene butadiene rubber plant, or fluffy carbon black is similarly incorporated in rubber using a different type of rubber-manufacturing process. A uniform dispersion of smaller-than-usual carbon black particles in rubber is formed, which provides a black masterbatch rubber with superior mechanical and rheological properties. Ash and grit is removed from the fluffy carbon black slurry, which further improves the properties of the carbon-filled rubber by reducing defects in the rubber caused by the ash or grit.Type: GrantFiled: December 5, 2001Date of Patent: November 11, 2003Assignee: CID Centro de Investigacion y Desarrollo Tecnologico, S.A. de C.V.Inventors: Francisco Lopez-Serrano Ramos, Luis Enrique Mille Loera, Angel Garcia Garza
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Patent number: 6620871Abstract: Rubber compositions contain, in addition to synthetic or natural rubber and conventional curing agents, an auxiliary composition containing a titanium or zirconium compound. The compositions are characterized by an enhanced cure rate at elevated temperatures such as would be useful for producing molded articles. At the same time the compositions exhibit an increased shelf life whereby uncured compositions of the invention are stable and can be molded for a considerable period of time even after storage at room temperature. Titanium compounds of the invention have at least one alkoxy group bonded to titanium, and zirconium compounds of the invention have at least one alkoxy group bonded to zirconium. In preferred embodiments, the auxiliary composition contains chelates of the titanium or zirconium compound. In particular, the auxiliary composition enhances the rate of cure at elevated temperature, and retards curing at room temperature.Type: GrantFiled: June 7, 2001Date of Patent: September 16, 2003Assignee: Nike, Inc.Inventor: Thomas Woodrow Wilson, III
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Patent number: 6586509Abstract: A composition for an insulating layer of an electric cable wherein the composition contains an ethylene plastic as the base resin and further contains up to about 5% by weight of additives including antioxidant, and peroxide cross-linking agent. The composition is characterised in that the antioxidant additive includes a compound of the formula (V): R1(—(C+O)O—)k(CH2)1—S—(CH2)m(—OO(C═O)—)nR2 where R1 and R2, which are the same of different, are C7-C23 alkyl, C7-C23 alkenyl, R3—Ar—, Ar—R3—, or AR—, where R3 is C8-C24 alkyl and Ar is c6-c14 aryl; k and n, which are the same of different, are 0 or 1, l and m, which are the same or different, are integers ≧0; with the proviso that the compound is free from phenolic groups; and that the compositions is free from compounds having the formula (VI): R—O—(C═O)—CH2CH2SCH2CH2—(C═O)—O—R where R is a C8-C20 alkyl group.Type: GrantFiled: December 26, 2000Date of Patent: July 1, 2003Assignee: Borealis Technology OyInventors: Jan-Ove Boström, Ruth Dammert, Bill Gustafsson, Annika Smedberg
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Patent number: 6509398Abstract: The present invention relates to photopolymerizable acrylic varnish compositions.Type: GrantFiled: March 12, 2001Date of Patent: January 21, 2003Assignee: BASF Coatings AGInventors: Maxime M. Allard, Cyrille M. Jaecques
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Patent number: 6060545Abstract: Organic materials having excellent stability against oxidative, thermal or light-induced degradation comprise as stabilisers (i) at least one compound of formula I ##STR1## wherein the general symbols are as defined in claim 1, and (ii) calcium lactate and/or calcium stearoyl-2-lactylate.Type: GrantFiled: September 23, 1998Date of Patent: May 9, 2000Assignee: Ciba Specialty Chemicals CorporationInventor: Bernard Gilg
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Patent number: 6008304Abstract: An additive for masticating natural rubber comprising at least one compound selected from the group consisting of benzoic acids, naphthoic acids, dicarboxylic acids and compounds represented by Formula (IV): ##STR1## wherein m and n each represent an integer of 1 to 3; p represents an integer of 1 to 4; m+n+p=6; X is O, NR.sup.8 or (R.sup.9 O).sub.q ; R.sup.6 is a C.sub.1 .about.C.sub.24 alkyl, a C.sub.2 .about.C.sub.24 alkenyl, or a C.sub.6 .about.C.sub.24 aryl group; and R.sup.7 is H, OH, an alkyl, alkenyl or aryl group; R.sup.8 is H or a C.sub.1 .about.C.sub.24 alkyl group; R.sup.9 is a C.sub.1 .about.C.sub.4 alkyl group; q is an integer of 1 to 5, a mastication method and a natural rubber composition each of which uses the additive, and a pneumatic tire using the natural rubber composition.Type: GrantFiled: March 24, 1998Date of Patent: December 28, 1999Assignees: Bridgestone Corporation, KAO CorporationInventors: Daisuke Nohara, Masaaki Tsuchihashi, Isao Nishi
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Patent number: 5977219Abstract: Benzotriazole UV absorbers which are substituted at the 5-position of the benzo ring by an electron withdrawing group exhibit enhanced durability and very low loss rates when incorporated into automotive coatings.Type: GrantFiled: October 30, 1997Date of Patent: November 2, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Ramanathan Ravichandran, Anthony David Debellis, Revathi Iyengar, Joseph Suhadolnik, Jean-Pierre Wolf, Robert Edward Detlefsen, Mervin Gale Wood
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Patent number: 5929133Abstract: Anti-bacterial film according to the present invention is suitable for use as food packaging wrap, and is given with the properties required for such film, such as a clinging property, transparency, and an anti-fogging property, as well as a high anti-bacterial property. The anti-bacterial film according to the present invention comprises, for 100 weight parts of PVC resin, 5 to 50 weight parts of a plasticizer, 0.3 to 3.0 weight parts of a stabilizer, 0.02 to 1.0 weight parts of hydrotalcite, 0.5 to 5.0 weight parts of an anti-fogging agent, and 0.02 to 2.0 weight parts of an anti-bacterial compound. The anti-bacterial compound may consist of a compound obtained by ion exchanging metallic ions of inorganic oxo-acid salt in the form of irregular particles having a particle diameter no more than 0.5 .mu.Type: GrantFiled: July 21, 1997Date of Patent: July 27, 1999Assignee: Hitachi Chemical Filtec, Inc.Inventors: Takayoshi Watanabe, Satoru Aoki, Shinichi Ohta, Katsuhiro Shirono, Atsushi Tanaka
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Patent number: 5747570Abstract: Water-absorbing resin compositions obtained by adding a water-soluble thiol compound in the process of drying or pulverizing a hydrogel of a water-absorbing resin which is obtained by polymerizing a water-soluble monomer having a polymerizable unsaturated group optionally with a polysaccharide, in the presence of a crosslinking agent and water. Composition of the present invention are highly efficient in water absorption and safe for having extremely low amounts of residual monomer and water-soluble component.Type: GrantFiled: October 4, 1995Date of Patent: May 5, 1998Assignee: Sanyo Chemical Industries, Ltd.Inventors: Masashi Date, Keiji Tanaka, Tsuyoshi Yuki, Kenjiro Tsubota, Satoshi Tamabuchi
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Patent number: 5691408Abstract: A process for manufacturing a water based adhesive which is substantially free of organic solvents and is useful as an adhesive for bonding natural rubber compounds, synthetic rubber compounds and a combination of natural and synthetic rubber compounds, especially during the formation of a tire.Type: GrantFiled: March 7, 1996Date of Patent: November 25, 1997Assignee: Akron Paint & VarnishInventor: Robert J. Murray
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Patent number: 5684063Abstract: A process for the preparation of inks comprised ofi) flushing pigment into a sulfonated polyester resin, and which resin possesses a degree of sulfonation of from between about 2.5 and about 20 mol percent;ii) dispersing the pigmented polyester resin in water at a temperature of from about 40.degree. C. about 95.degree. C. by a polytron shearing device operating at speeds of from about 100 to about 5,000 revolutions to yield stable pigmented submicron sized particles of from about 5 to about 150 nanometers; and thereafter separating said submicron particles and mixing said submicron particles with water.Type: GrantFiled: June 17, 1996Date of Patent: November 4, 1997Assignee: Xerox CorporationInventors: Raj D. Patel, Guerino G. Sacripante, Daniel A. Foucher