Solid Polymer Derived From Reactant Containing A Fused- Or Bridged- Ring System Patents (Class 525/210)
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Patent number: 6906138Abstract: An improved stringed instrument bow resin made from synthetic hydrocarbon resin and optionally modified with olefinic and elastomeric polymers, fillers, plasticizers, colorants, and antioxidants. The composition is hypoallergenic, hydrophobic, non-corrosive, and resistant to oxidation.Type: GrantFiled: September 4, 2001Date of Patent: June 14, 2005Inventor: Thomas Harry Quinn
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Patent number: 6900274Abstract: A process for preparing a surfactant, useful for dispersing tackifier resins in aqueous media, comprises reacting an ??-unsaturated carboxylic acid or anhydride, or an ester thereof, with a terpene- or hydrocarbon-based resin to form an adduct, then reacting the adduct with a polyalkylene polyol to yield the surfactant. In a related embodiment, the surfactant is subsequently functionalized. Also disclosed are surfactants prepared using a disclosed process; compositions comprising a disclosed surfactant and a tackifier resin; aqueous dispersions comprising a disclosed surfactant; tackifier resin and water; adhesive compositions comprising a disclosed aqueous dispersion and a polymer latex; and pressure sensitive adhesive overlays prepared using a disclosed adhesive composition.Type: GrantFiled: February 6, 2003Date of Patent: May 31, 2005Assignee: Arizona Chemical CompanyInventors: Erwin R. Ruckel, Kerry L. Thompson, George L. Gergely, Jr.
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Patent number: 6900273Abstract: Low-hygroscopicity low-birefringence resin compositions. One of the compositions is a resin composition (a) comprising the following polymers (A), and (B) and/or (C). Another is a resin composition (b) comprising the following polymers (A), (B) and (H). Still another is a polymer comprising the following polymers (I) and (J), diphenylsilicone (D), and a phenolic antioxidant (E). (A) A polymer comprising one or more kinds of indene and indene derivatives represented by the following general formula (I). (B) A polymer comprising polystyrene or a polystyrene derivative. (C) A polymer comprising a monomer copolymerizable with styrene or a styrene derivative. (H) A graft polymer having a structure wherein a polymer comprising at least one kind of indene and an indene derivative represented by the general formula (I) bonds to a side chain of a polymer comprising a monomer copolymerizable with styrene or a styrene derivative.Type: GrantFiled: June 27, 2000Date of Patent: May 31, 2005Assignee: Hitachi Chemical Co., Ltd.Inventors: Yukihiko Yamashita, Shuichi Iwata, Tetsuo Yamanaka, Akihiro Yoshida, Keiko Ushikubo
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Publication number: 20040236024Abstract: Cycloolefinic polymer compositions exhibiting an advantageous balance of dimensional stability, improved impact resistance and superior optical properties are provided. The cycloolefinic polymer compositions of the invention generally include at least one cycloolefinic polymer and an effective amount of an elastomeric copolymer having an aromatic vinyl content of from 14 to 39 weight percent. The cycloolefinic polymer compositions may be incorporated into a variety of products, including multilayer films.Type: ApplicationFiled: January 28, 2004Publication date: November 25, 2004Applicant: Cryovac, Inc.Inventors: Janet W. Rivett, Nathanael Rustia Miranda, Kelly Ray Ahlgren
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Publication number: 20040220342Abstract: Low-hygroscopicity low-birefringence resin compositions. One of the compositions is a resin composition (a) comprising the following polymers (A), and (B) and/or (C). Another is a resin composition (b) comprising the following polymers (A), (B) and (H). Still another is a polymer comprising the following polymers (I) and (J), diphenylsilicone (D), and a phenolic antioxidant (E). (A) A polymer comprising one or more kinds of indene and indene derivatives represented by the following general formula (I). (B) A polymer comprising polystyrene or a polystyrene derivative. (C) A polymer comprising a monomer copolymerizable with styrene or a styrene derivative. (H) A graft polymer having a structure wherein a polymer comprising at least one kind of indene and an indene derivative represented by the general formula (I) bonds to a side chain of a polymer comprising a monomer copolymerizable with styrene or a styrene derivative.Type: ApplicationFiled: May 17, 2004Publication date: November 4, 2004Inventors: Yukihiko Yamashita, Shuichi Iwata, Tetsuo Yamanaka, Akihiro Yoshida, Keiko Ushikubo
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Patent number: 6806029Abstract: A pattern formation material of this invention contains a base polymer including a first unit represented by Chemical Formula 1 and a second unit represented by Chemical Formula 2, and an acid generator: wherein R1 and R2 are the same or different and selected from the group consisting of a hydrogen atom, a chlorine atom, a fluorine atom, an alkyl group and an alkyl group including a fluorine atom; R3 is a protecting group released by an acid; m is an integer of 0 through 5; and a and b satisfy 0<a<1,0<b<1 and 0<a+b≦1.Type: GrantFiled: September 6, 2002Date of Patent: October 19, 2004Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Shinji Kishimura, Masayuki Endo, Masaru Sasago, Mitsuru Ueda, Tsuyohiko Fujigaya
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Patent number: 6780936Abstract: This invention relates to compositions derived from polyolefins combined with a polymeric nucleating agent. The nucleating agent is specifically a diene-propylene copolymer.Type: GrantFiled: February 11, 2003Date of Patent: August 24, 2004Assignee: ExxonMobil Chemical Patents Inc.Inventors: Pawan K. Agarwal, Armenag Dekmezian, Aspy K. Mehta, Weiqing Weng
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Patent number: 6780938Abstract: The reactor alloy of syndiotactic polystyrene according to the present invention is prepared by polymerizing vinyl aromatic monomer and rubbery elastomer and optionally polyphenylene ether under transition metal catalyst and cocatalyst, which comprises (a) 50-99% by weight of syndiotactic polystyrene, (b) 1-50% by weight of rubbery elastomer, and optionally (c) 0.1-10% by weight of polyphenylene ether. The reactor alloy of the present invention has good dispersibility and high interfacial strength in comparison with a melt blend by polymerizing styrene monomer and rubbery elastomer for impact modifier. And the reactor alloy of the present invention is greatly enhanced in impact resistance in comparison with a melt blend same amount of rubber component as reactor alloy of the present invention without impairing heat resistance and elastic modulus by further comprising polyphenylene ether.Type: GrantFiled: February 27, 2003Date of Patent: August 24, 2004Assignee: Samsung Atofina Co. Ltd.Inventors: Sung Cheol Yoon, Xuequan Zhang, Jae Gon Lim, Hyun Joon Kim, Young Sub Lee
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Publication number: 20040087721Abstract: A visco-elastic material useful in forming a noise and vibration damper, which includes an ethylene/methyl acrylate and/or polyacrylic elastomer, one or more modifying agents and one or more thermally-activated crosslinking agents. The material imparts excellent noise and vibration damping properties over a wide range of temperatures, and is particularly useful for damping vibrating substrates at elevated temperatures. In addition, the material can be polymerized or cured in-situ by heat generating substrates and has self-adhesive characteristics. Furthermore, the damping properties, adhesive qualities and structural integrity of the material are relatively unaffected by prolonged exposure to elevated temperatures and/or hot motor oil.Type: ApplicationFiled: November 5, 2002Publication date: May 6, 2004Inventors: Jeffrey N. Bruhn, John Chahine
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Patent number: 6730736Abstract: An alicyclic structure-containing resin composition comprising an alicyclic structure-containing resin (A) having a polar group in a proportion of 3 to 50 mol % based on the whole repeating unit in the resin, and a soft polymer (B), a varnish containing the resin composition, a sheet formed of the resin composition, and an insulating film formed of the resin composition.Type: GrantFiled: October 2, 2000Date of Patent: May 4, 2004Assignee: Nippon Zeon Co., Ltd.Inventors: Shojiro Kaita, Takashi Iga, Yasuhiro Wakizaka, Yasuo Tsunogae
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Patent number: 6716553Abstract: There are provided a porous film comprising a polymer composition comprising (a) a polymer having C═C double bond and an aliphatic ring having 5 to 10 carbon atoms in a main chain thereof; and (b) another resin; a porous film, wherein all or a part of C═C double bond in the (a) polymer is disappeared; and a porous film, wherein the (a) polymer and the (b) resin are cross-linked therebetween. The porous film has appropriate porosity, air permeability and puncture strength, and is especially excellent in latent heat resistance or heat resistance. Further, there are provided a process for producing the porous film; a separator for a battery comprising the porous film; and a battery comprising the separator.Type: GrantFiled: January 5, 2001Date of Patent: April 6, 2004Assignee: Nitto Denko CorporationInventors: Shigeru Fujita, Kazushige Yamamoto, Shunsuke Noumi, Yoshihiro Uetani, Hideyuki Emori, Yutaka Kishii, Yutaka Yamamura
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Patent number: 6706815Abstract: The present invention is specifically directed to improved polyvinyl chloride compositions having excellent impact strength. In particular, the impact resistant composition comprises a) a vinyl chloride polymer, b) at least one ethylene/alpha-olefin copolymer, said copolymer having a density of 0.858 to 0.91 g/cc and having a melt index from an I10 value of 0.1 to an I2 value of 10, and c) at least one randomly chlorinated olefin polymer having a chlorine content of from 20-40 percent by weight, the feedstock for said chlorinated olefin polymer having a melt index from an I10 value of 0.1 to an I2 value of 10. Optionally, these impact resistant polyvinyl chloride compositions may have inorganic filler levels from 5 to 50 parts per hundred relative to the polyvinyl chloride polymer.Type: GrantFiled: July 31, 2002Date of Patent: March 16, 2004Assignee: DuPont Dow Elastomers L.L.C.Inventors: Gary R. Marchand, Mark T. Berard
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Patent number: 6706814Abstract: Disclosed are rubber-modified monovinylidene aromatic polymers with improved toughness and rigidity as well as a process for the preparation thereof. The polymer comprises a) a monovinylidene aromatic polymer matrix; and b) rubber particles dispersed therein, characterized in that the rubber particles are produced from a diene rubber having substantially linear structure containing less than one long chain branch per 10,000 carbon atoms in the polymer backbone with a solution viscosity of 5 cPoise to 1000 cPoise and a Mooney Viscosity of 5 to 120.Type: GrantFiled: July 3, 2002Date of Patent: March 16, 2004Assignee: Dow Global Technologies Inc.Inventor: Mehmet Demirors
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Patent number: 6699937Abstract: The invention relates to rubber compounds that contain rubbers polymerized in solution with a secondary hydroxyl group content of 0.1 to 5 wt.- % that are not more than 4 carbon atoms away from the respective side chain end. The invention also relates to mixtures thereof with fillers, optionally additional rubbers and rubber auxiliary agents and the vulcanized rubbers produced thereof. The inventive rubber compounds are useful for producing highly reinforced, abrasion-resistant molded bodies, especially for producing tires that are characterized by excellent non-skid properties on wet surfaces.Type: GrantFiled: January 23, 2002Date of Patent: March 2, 2004Assignee: Bayer AktiengesellschaftInventors: Thomas Scholl, Jürgen Trimbach
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Patent number: 6696527Abstract: Provided is a novel olefin copolymer comprising [A] a cyclic olefin, [B] an aromatic vinyl compound and [C] an aliphatic &agr;-olefin having from 2 to 20 carbon atoms. (1) the component [A] therein accounts for from 0.1 to 30 mol %, the component [B] for from 0.1 to 49.9 mol %, and the total of the components [A] and [B] for from 0.2 to 50 mol %; and (2) the copolymer has a glass transition temperature Tg of lower than 60° C. Having a suitable modulus of elasticity, the copolymer can be a substitute for soft polyvinyl chloride as a soft resin, and it has good elastic recovery and transparency.Type: GrantFiled: June 20, 2001Date of Patent: February 24, 2004Assignee: Idemitsu Petrochemical Co. Ltd.Inventors: Kiyohiko Yokota, Noriyuki Tani, Nobuhide Ishihara, Junichi Matsumoto
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Patent number: 6646057Abstract: Disclosed is a nonstyrenated polyester or vinyl ester resin that is found to be nonbrittle and to have good temperature performance, relative to known nonstyrenated polyesters or vinyl esters. Also disclosed is a nonstyrenated polyester or vinyl ester urethane acrylate resin. Methods for making nonstyrenated polyester or vinyl ester resins, including urethane acrylate resins, are provided.Type: GrantFiled: November 4, 1998Date of Patent: November 11, 2003Assignee: Composite Technology GroupInventors: Richard M. Anders, Kenneth R. Anders, Dale K. Becker
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Patent number: 6620888Abstract: Described is a thermoplastic composition including: (A) 10 to 99% by weight of a propylene polymer optionally containing from 0.1 to 5% by moles of units derived from an olefin of the formula CH2═CHR, R being hydrogen, a C2-C20-alkyl or a C6-C12-aryl group, having the following characteristics: 50<isotactic triads (mm)<85; melting point (Tm) from 60° C. to 120° C., and (B) 1 to 90% by weight of a propylene polymer having an essentially isotactic structure, optionally containing from 0.1 to 5% by moles of units derived from an olefin of the formula CH2═CHR, R being hydrogen, a C2-C20-alkyl or a C6-C12-aryl group, which has a melting point (Tm) higher than 153° C. Also described is a process for the preparation of this thermoplastic composition.Type: GrantFiled: November 20, 2001Date of Patent: September 16, 2003Assignee: Basell Polyolefine GmbHInventors: Luigi Resconi, Angelo Ferraro, Giovanni Baruzzi
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Publication number: 20030157423Abstract: 1.Type: ApplicationFiled: December 18, 2002Publication date: August 21, 2003Inventors: Tomoki Nagai, Daisuke Shimizu, Tsutomu Shimokawa, Fumihisa Miyajima, Masaaki Miyaji
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Patent number: 6596810Abstract: Polymer alloy comprising a) one or more cycloolefin copolymers and b) one or more types of core/shell particles.Type: GrantFiled: November 10, 1997Date of Patent: July 22, 2003Assignees: Mitsu Petrochemical Ind., Ltd., Ticona GmbHInventors: Wilfried Hatke, Frank Osan, Otto Herrmann-Schönherr, Vincent Joseph Sullivan, Thomas Weller
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Patent number: 6590033Abstract: The present invention provides a polymer composition having: a first component selected from homopolymers and copolymers of cyclic olefin containing polymers and bridged polycyclic hydrocarbon containing polymers, the first component being present in an amount from about 1-99% by weight of the composition; and a second component is selected from homopolymers and copolymers of a diene having from 4 to 12 carbons, the second component being present in an amount from about 99% to about 1% by weight of the composition.Type: GrantFiled: April 25, 2001Date of Patent: July 8, 2003Assignee: Baxter International Inc.Inventors: Yuan-pang Samuel Ding, Biran Lal, Michael T. K. Ling, Richard Mennenoh, Daniel Beedon, Leoon Woo, Sarah Corbin, George Dillon, Dale Pennington, Chuan Qin, Patrick Ryan
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Patent number: 6579473Abstract: An ethylene propylene rubber foam which comprises as the crude rubber, an ethylene propylene rubber having an iodine value of 35 to 45 and a Mooney viscosity ML1+4 at 100° C. of 20 to 50, and which has less compression set and is suitable as a material for a transfer member, a primary transfer member, a secondary transfer member, a cleaning member for image formation bodies, a bias member, a backup member, etc.; an electroconductive ethylene propylene rubber foam which comprises as the crude rubber, an ethylene propylene rubber having an iodine value of 35 to 45 and a Mooney viscosity ML1+4 at 100° C.Type: GrantFiled: October 19, 2000Date of Patent: June 17, 2003Assignee: Bridgestone CorporationInventors: Chikara Yamada, Toshiyuki Osaki, Tadashi Nakajima, Takahiro Kawagoe
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Patent number: 6566475Abstract: The present invention relates to a polymer composition comprising one or more cycloolefin copolymers and one or more suitably formulated additives, having improved resistance to stress cracking in air or else in contact with media which give rise to stress cracking.Type: GrantFiled: May 3, 2001Date of Patent: May 20, 2003Assignee: Ticona GmbHInventors: Alexandra Jacobs, Klaus Berger, Wilfried Hatke
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Patent number: 6559195Abstract: To provide a microporous film having excellent permeability and mechanical strength as well as excellent SD function at low temperatures and film-breaking resistance at high temperatures. A microporous film made of a resin composition at least comprising 1 to 50% by weight of a ring-opening polymer of an unsaturated condensed alicyclic compound, and 1 to 50% by weight of one or more resin components selected from the group consisting of polyolefins having a weight-average molecular weight of 500000 or less, thermoplastic elastomers and graft copolymers.Type: GrantFiled: April 30, 2001Date of Patent: May 6, 2003Assignee: Nitto Denko CorporationInventors: Kazushige Yamamoto, Shigeru Fujita, Yoshihiro Uetani, Shunsuke Noumi, Hideyuki Emori, Yutaka Yamamura
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Patent number: 6534595Abstract: A coating solution for forming porous organic film comprising the following A) to C), wherein A) and B) have respective heat decomposition initiation temperatures Ta and Tb satisfying a relation: Ta>Tb: A) a thermosetting resin having an aromatic ring in the main chain, B) a heat decomposable resin obtained by polymerization of monomers which include at least one compound represented by the following formula (1) or (2), and C) an organic solvent, wherein, X and each of R1 to R3 are defined in the specification.Type: GrantFiled: December 22, 2000Date of Patent: March 18, 2003Assignee: Sumitomo Chemical Company, LimitedInventors: Yuji Yoshida, Hyuncheol Choi, Atsushi Sukumoda
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Patent number: 6534586Abstract: The invention provides a flame-retardant rubber composition which may form a vulcanizate of an elastomer whose deterioration of mechanical strength is little to enjoy excellent mechanical properties, even when a nonhalogenated flame retardant is contained in a high proportion in the composition, and a flame-retardant elastomer obtained therefrom. The flame-retardant rubber composition contains (A) an olefin copolymer having a functional group, which comprises (a-1) a structural unit derived from ethylene, (a-2) a structural unit derived from an &agr;-olefin compound having 3 to 10 carbon atoms, (a-3) a structural unit derived from a functional group-containing unsaturated compound, and optionally (a-4) a structural unit derived from a nonconjugated diene compound, and has an intrinsic viscosity [&eegr;] of 0.1 to 10 dL/g as measured in decalin at 135° C., (B) a vulcanizing agent and/or a crosslinking agent and (C) a nonhalogenated flame retardant.Type: GrantFiled: September 10, 2001Date of Patent: March 18, 2003Assignee: JSR CorporationInventors: Shoei Tsuji, Junji Ayukawa, Toshiyuki Hayakawa, Minoru Tanaka, Fumio Tsutsumi
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Publication number: 20030013832Abstract: A styrene polymer represented by formula (1), terminated with P, and having a weight average molecular 1Type: ApplicationFiled: March 19, 2002Publication date: January 16, 2003Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Osamu Watanabe, Shimada Junji, Nagura Shigehiro, Takeda Takanobu
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Patent number: 6506840Abstract: A process for producing a succinimide resin composition is provided which comprises reacting a maleic anhydride-olefin type copolymer constituted of 40-60 mol % of maleic anhydride units, 60-40 mol % of olefin units, and 0-20 mol % of a copolymerizable monomer units with one or more amine compounds for imide formation in the presence of a second polymer other than the succinimide resin. This process improves the productivity by lowering the torque in the extrusion reaction, giving a succinimide copolymer resin composition having low yellowness and high transparency with high production efficiency.Type: GrantFiled: April 16, 2001Date of Patent: January 14, 2003Assignee: Tosoh CorporationInventors: Takeshi Harunari, Yoshiki Uchida, Toru Doi
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Patent number: 6500899Abstract: A molded or formed product obtained by molding or forming a resin composition comprising (A) at least one vinyl cyclic hydrocarbon polymer selected from the group consisting of hydrogenated products of aromatic vinyl polymers, vinylcyclohexene polymers or hydrogenated products thereof, and vinylcyclohexane polymers, and (B) at least one substance selected from the group consisting of compounding additives incompatible with the polymer, organic compounds having at least one alcoholic hydroxyl group and at least one ether linkage, and organic compounds having at least one alcoholic hydroxyl group and at least one ester linkage, wherein the initial light transmittance (a) of the molded or formed product at an optional wavelength within a range of 400 to 800 nm and the light transmittance (b) of the molded or formed product after the molded or formed product is held for 1,000 hours in an atmosphere of 65° C.Type: GrantFiled: November 21, 2001Date of Patent: December 31, 2002Assignee: Nippon Zeon Co., Ltd.Inventors: Teruhiko Suzuki, Tsutomu Nagamune, Teiji Kohara
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Patent number: 6498215Abstract: A molded or formed product obtained by molding or forming a resin composition comprising (A) at least one vinyl cyclic hydrocarbon polymer selected from the group consisting of hydrogenated products of aromatic vinyl polymers, vinylcyclohexene polymers or hydrogenated products thereof, and vinylcyclohexane polymers, and (B) at least one substance selected from the group consisting of compounding additives incompatible with the polymer, organic compounds having at least one alcoholic hydroxyl group and at least one ether linkage, and organic compounds having at least one alcoholic hydroxyl group and at least one ester linkage, wherein the initial light transmittance (a) of the molded or formed product at an optional wavelength within a range of 400 to 800 nm and the light transmittance (b) of the molded or formed product after the molded or formed product is held for 1,000 hours in an atmosphere of 65° C.Type: GrantFiled: November 21, 2001Date of Patent: December 24, 2002Assignee: Nippon Zeon Co., Ltd.Inventors: Teruhiko Suzuki, Tsutomu Nagamune, Teiji Kohara
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Patent number: 6489033Abstract: Electrets can be produced from cycloolefin copolymers (COCs), and charges applied thereto are stable for long periods, even at high temperatures and high relative humidities. The reduction here in a positive charge applied to the COCs is smaller than that of negative charges applied to the COCs. The stability over time of the charges applied is impaired by adding polar additives, such as inorganic silicon compounds. Films, fibers or nonwovens produced from electrets can be processed to give filters.Type: GrantFiled: February 28, 2000Date of Patent: December 3, 2002Assignee: Ticona GmbHInventors: Wilfried Hatke, Gerhard Sessler, Guo-Mao Yang
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Patent number: 6486246Abstract: A hot melt adhesive polyolefin composition having a viscosity from 7,000 to less than 500,000 mPa·sec, at 190° C. including (by weight): I) 5-85% of a crystalline propylene polymer selected from a propylene homopolymer and a copolymer of propylene and ethylene or a C4-C10 &agr;-olefin or blends thereof, having an isotactic index from 80 to 98%; II) 5-85% of an heterophasic polyolefin composition including: (i) a crystalline propylene polymer and (ii) and an amorphous copolymer of ethylene and propylene or a C4-C10 &agr;-olefin or blends thereof, containing less than 40% of ethylene; III) 10-75% of a material selected from aliphatic hydrocarbon resins, terpene/phenolic resin, polyterpenes, rosin, rosin esters and blends thereof; and optionally IV) a mineral paraffinic or naphthalenic oil, an amorphous poly(&agr;-olefin) having low molecular weight or a mixture thereof.Type: GrantFiled: October 4, 1999Date of Patent: November 26, 2002Assignee: Montell Technology Company BVInventor: Jean Marc Vion
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Patent number: 6482892Abstract: An olefinic thermoplastic elastomer composition which does not exhibit problems due to a softening agent such as an oil is superior in molding processability. The thermoplastic elastomer composition is produced by a heat crosslinking process of a resin-rubber composition that contains an olefinic and/or diene rubber, an olefinic resin, and a vinyl copolymer. The vinyl copolymer is obtained by copolymerizing 20 wt % or more of a vinyl monomer represented by CH2═CHOCOR1 or CH2═CHOR2 wherein R1 and R2 are alkyl groups having 1-6 carbon atoms. The thermoplastic elastomer composition can include a vinyl copolymer that has not undergone a heat crosslinking process.Type: GrantFiled: June 27, 2000Date of Patent: November 19, 2002Assignee: JSR Elastomix Co., Ltd.Inventors: Seizo Katayama, Kazuo Kimura, Kazuhiro Ohashi, Minoru Horie
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Patent number: 6479592Abstract: A functionalized and polymerizable polymer is described which is obtainable by ring-opening metathesis polymerization and is suitable in particular as a dental material and especially as a constituent of dental adhesives owing to an adhesion-boosting effect.Type: GrantFiled: August 20, 1999Date of Patent: November 12, 2002Assignee: Ivoclar Vivadent AGInventors: Volker Rheinberger, Norbert Moszner, Franz Stelzer, Regina Schitter, Frank Zeuner
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Patent number: 6476139Abstract: An olefin-based thermoplastic elastomer comprises a propylene-based resin (A) and an olefin-based copolymer rubber (B), and has a ratio (N1/SS) of first normal stress difference (N1) to shear stress (SS) of 0.6:1 to 1.4:1 said first normal stress difference (N1) and shear stress (SS) being determined by subjecting said elastomer to step shear test at a temperature of 200° C. and a shear rate of 25.1 sec−1. Such olefin-based thermoplastic elastomer shows excellent moldability, transferability of embossed patterns and mechanical strength.Type: GrantFiled: March 28, 2001Date of Patent: November 5, 2002Assignee: Mitsubishi Chemical CorporationInventors: Osamu Akaike, Asami Hirashima, Tatsumi Tsuji, Motoko Itou
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Patent number: 6476146Abstract: Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.) to provide prints that possess high quality images, scratch resistance, abrasion resistance, low-temperature storage stability and flexibility, offset and pick resistance, adhesion, and other desired properties are disclosed to comprise: (a) from about 0.1% to about 30% of one or more colorants; and (b) from about 0.1 to about 99.9% of one or more hybrid polymers. Components other than those listed above may be included in the ink compositions to achieve specific printer, substrate, or end use requirements.Type: GrantFiled: December 20, 2001Date of Patent: November 5, 2002Assignee: Westvaco CorporationInventor: Michael D. Matzinger
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Patent number: 6455638Abstract: An ethylene/&agr;-olefin polymer blend is described comprising first and second ethylene/&agr;-olefin polymer components in which the ethylene content of the first component is at least 10 weight percent different than the ethylene content of the second component. These blends exhibit an improved combination of low temperature, pellet flow, compression set, melt strength and/or shape retention properties as compared to either component, or an ethylene/&agr;-olefin polymer blend of similar composition but in which the ethylene content of each component is substantially the same.Type: GrantFiled: May 4, 2001Date of Patent: September 24, 2002Assignee: DuPont Dow Elastomers L.L.C.Inventors: Michael K. Laughner, Deepak R. Parikh, Christian Daniel, M. Stephen Edmondson
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Patent number: 6410650Abstract: The present invention relates to an ethylene-&agr;-olefin-non-conjugated polyene copolymer rubber comprising ethylene, an &agr;-olefin having 3 to 20 carbon atoms and a non-conjugated polyene, characterized in that: (i) the intrinsic viscosity [&eegr;] as measured in decalin solvent at 135° C. is 1.5 to 5.0 dl/g; (ii) the g&eegr;* or g′ value is 0.6 to 0.9; (iii) the Mw/Mn is 3.0 to 50; (iv) the iodine value is 10 to 40; (v) the molar ratio of ethylene to the &agr;-olefin having 3 to 20 carbon atoms is 40/60 to 95/5; and (vi) the intensity ratio D of T&agr;&bgr; to T&agr;&agr; in 13C-NMR spectrum (T&agr;&bgr;/T&agr;&agr;) is 0.5 or less, as well as to a rubber composition for sealing using said copolymer rubber, a molded rubber part for sealing, and a process for preparing said molded part.Type: GrantFiled: November 28, 2000Date of Patent: June 25, 2002Assignee: Mitsui Chemicals INCInventors: Taku Koda, Masaaki Kawasaki
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Patent number: 6403717Abstract: Blend compositions of ethylene inter-polymers have equal or improved processability when compared to blends of high pressure produced polyethylenes (HP-LDPE) and linear low density ethylene inter-polymers (HP-LDPE/LLDPE). Additionally, the blends of ethylene inter-polymers have superior optical and physical properties to the HP-LDPE/LLDPE blends. The ethylene inter-polymer blends include a first ethylene inter-polymer having, an nRSI greater than 26, a PDI of greater than 3, or less than 15, a CCLDI greater than 1.0, or less than 10.0, and a branching factor less than 0.7. These inter-polymer blends also include a second ethylene inter-polymer that has an nRSI of greater than 1 or less than 11, a PDI of greater than 1.5 or less than 6, a CCLDI greater than 1 or less than 20, and a branching factor greater than factor 0.70, or less than 1.Type: GrantFiled: July 12, 2000Date of Patent: June 11, 2002Assignee: Univation Technologies, LLCInventors: James L. Adams, George N. Foster, Robert H. Vogel, Scott H. Wasserman
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Publication number: 20020055590Abstract: The present invention provides a polymer composition having: a first component selected from homopolymers and copolymers of cyclic olefin containing polymers and bridged polycyclic hydrocarbon containing polymers, the first component being present in an amount from about 1-99% by weight of the composition; and a second component is selected from homopolymers and copolymers of a diene having from 4 to 12 carbons, the second component being present in an amount from about 99% to about 1% by weight of the composition.Type: ApplicationFiled: April 25, 2001Publication date: May 9, 2002Inventors: Yuan-Pang Samuel Ding, Birendra K. Lal, Michael T.K. Ling, Richard Mennenoh, Daniel Beedon, Lecon Woo, Sarah Corbin, George Dillon, Dale Pennington, Chuan Qin, Patrick T. Ryan
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Patent number: 6384169Abstract: A styrene polymer represented by formula (1), terminated with P, and having a weight average molecular wherein R is OH or OR3 R1 is H or CH3, R2 is alkyl, R3 is acid labile group, x≧0, y>0, k≧0, m≧0, n>0, 0<q≦0.8, p+q=1, P is H, alkyl, alkenyl, aromatic, carboxyl, OH, —R4 (COR5)r, —R4O (OH)r or —R4 (OR5)r. A chemically amplified positive resist composition comprising the polymer as a base resin has high sensitivity and resolution and forms resist patterns having plasma etching resistance, heat resistance, and reproducibility.Type: GrantFiled: October 7, 1998Date of Patent: May 7, 2002Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Osamu Watanabe, Shimada Junji, Nagura Shigehiro, Takeda Takanobu
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Patent number: 6372847Abstract: Disclosed are blends of a propylene-based polymer, an elastomer, and optionally an ethylene-based polymer, having improved low temperature toughness. The elastomer is preferably a copolymer of ethylene, one or more C3-C20 &agr;-olefin comonomers, and optionally one or more non-conjugated diene comonomers, having a MLRA/ML ratio of at least 8 and an ethylene content of from 74 to 95 mole percent.Type: GrantFiled: May 10, 2000Date of Patent: April 16, 2002Assignee: Exxon Mobil Chemical Patents, Inc.Inventor: Guy J. Wouters
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Patent number: 6365660Abstract: A molded or formed product obtained by molding or forming a resin composition comprising (A) at least one vinyl cyclic hydrocarbon polymer selected from the group consisting of hydrogenated products of aromatic vinyl polymers, vinylcyclohexene polymers or hydrogenated products thereof, and vinylcyclohexane polymers, and (B) at least one substance selected from the group consisting of compounding additives incompatible with the polymer, organic compounds having at least one alcoholic hydroxyl group and at least one ether linkage, and organic compounds having at least one alcoholic hydroxyl group and at least one ester linkage, wherein the initial light transmittance (a) of the molded or formed product at an optional wavelength within a range of 400 to 800 nm and the light transmittance (b) of the molded or formed product after the molded or formed product is held for 1,000 hours in an atmosphere of 65° C.Type: GrantFiled: January 26, 2000Date of Patent: April 2, 2002Assignee: Nippon Zeon Co., Ltd.Inventors: Teruhiko Suzuki, Tsutomu Nagamune, Teiji Kohara
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Patent number: 6359102Abstract: Improvements are disclosed for biphasic polymerization processes in which an aqueous solution of a first monomer that is hydrolytically unstable below a pH of about six or above a pH of about eight is admixed with a water-immiscible organic solvent and there is added to the admixture a catalyst selected from tertiary amine, quaternary amine and phosphonium catalysts, an acid-forming co-monomer for the first monomer, an acid scavenger, after which the resulting polymer is recovered, wherein the improvement includes providing the aqueous solution at a pH between about si and about eight, and adding to the admixture the acid-forming co-monomer and the acid scavenger at relative rates effective to maintain the pH of the admixture between about six and about eight. The catalyst may be added in a molar ratio to the first monomer effective to provide a predetermined weight-average or number-average molecular weight for the resulting polymer.Type: GrantFiled: June 29, 1998Date of Patent: March 19, 2002Assignee: Integra LifeSciences I, Ltd.Inventors: John E. Kemnitzer, George L. Brode, Joachim B. Kohn
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Publication number: 20020032263Abstract: A method and composition for waterproofing a substrate herein is described which includes applying a coating composition to a surface of the structural unit. The coating composition includes a) an organic solvent, b) a hydrocarbon resin and c) a styrene polymer, having a styrene content of about 60 wt % or greater, selected from the group consisting of a copolymer having styrene and diene monomer units, a copolymer having styrene and olefin monomer units, a polymer having styrene monomer units and mixtures thereof.Type: ApplicationFiled: September 14, 2001Publication date: March 14, 2002Applicant: Protective Coatings Technology, Inc.Inventor: John H. Gaveske
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Patent number: 6346581Abstract: A curable resin composition comprising a modified cycloolefin addition polymer (A) obtained by introducing a functional group into a cycloolefin addition polymer containing a repeating unit (a) derived from a cycloolefin monomer having an organic group having at least 4 carbon atoms at its side chain at a rate of introduction of the functional group of 0.1 to 50 mol % based on the whole repeating unit of the cycloolefin addition polymer, and a hardening agent (B), and a modified cycloolefin addition polymer (A) obtained by introducing a functional group into a cycloolefin addition polymer containing a repeating unit (a) derived from a cycloolefin monomer having an organic group having at least 4 carbon atoms at its side chain at a rate of introduction of the functional group of 0.1 to 50 mol % based on the whole repeating unit of the cycloolefin addition polymer, and having a weight average molecular weight (Mw) of 1,000 to 1,000,000.Type: GrantFiled: January 18, 2000Date of Patent: February 12, 2002Assignee: Nippon Zeon Co., LtdInventors: Yasuo Tsunogae, Masahiro Ichinose, Yasuhiro Wakizaka
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Patent number: 6346578Abstract: A phase difference plate is provided which can be formed by a single material at a low cost without a need for forming laminated layers, and which has excellent performance in a wide band. The phase difference plate is formed by using a norbornene based resin composition which includes a norbornene based resin; and a polymer whose birefringence value is negative, and whose wavelength dispersion of birefringence values satisfies |&Dgr;n(450)/&Dgr;n(550)|≧1.02, wherein &Dgr;n(450) and &Dgr;n(550) are birefringence values (&Dgr;n) at a wavelength of 450 nm and a wavelength of 550 nm, respectively. The polymer is preferably a polystyrene based polymer.Type: GrantFiled: January 10, 2001Date of Patent: February 12, 2002Assignee: Fuji Photo Film Co., Ltd.Inventor: Kohei Arakawa
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Patent number: 6337372Abstract: A process for producing a propylene//propylene/olefin block copolymer, characterized by using as a supported metallocene catalyst a solid product obtained by conducting, in this order, the step (a) of reacting an organic transition metal compound having two crosslinked conjugated &pgr;-electron ligands with an aluminoxane in an inert solvent, the step (b) of contacting the reaction product obtained in the step (a) with a finely particulate inorganic support in the presence of an inert solvent at 85 to 150° C., and the step (c) of washing the slurry containing a solid product yielded in the step (b) with an aliphatic hydrocarbon at least twice at −50 to 50° C.; and a propylene//propylene/olefin block copolymer produced by said process.Type: GrantFiled: April 3, 2000Date of Patent: January 8, 2002Assignee: Chisso CorporationInventors: Jun Saito, Toshihiro Uwai, Hiroyuki Fujita, Yoshitoyo Yasuda, Tsutomu Ushioda, Tsuyoshi Yahata
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Patent number: 6331593Abstract: A resin composition pellet comprising: (i): 15 to 65% by weight of a polyolefin-based resin, and (ii): 85 to 35% by weight of anolefin-based copolymer obtained by copolymerizing two or more olefins selected from ethylene, propylene and &agr;-olefins having 4 to 20 carbon atoms in the presence of a catalyst for olefin polymerization, the total number of carbon atoms in the selected olefins being 7 or more.Type: GrantFiled: June 14, 1999Date of Patent: December 18, 2001Assignee: Sumitomo Chemical Limited., Co.Inventors: Hirofumi Johoji, Toshiyuki Kuwabara
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Patent number: 6319979Abstract: Disclosed are packages, cartons, cases, and trays comprising a hot melt adhesive, in turn comprising at least one first homogenous linear or substantially linear ethylene polymer having a particular density and melt viscosity at 350° F. (177° C.), up to 60 weight percent wax and up to 40 weight percent tackifier. In particular, disclosed are packages, cartons, cases, and trays comprising a hot melt adhesive characterized by: a) at least one homogeneous linear or substantially linear interpolymer of ethylene with at least one C3-C20 &agr;-olefin interpolymer having a density from 0.850 g/cm3 to 0.895 g/cm3; and b) up to 60 weight percent of at least one tackifying resin; and c) up to 40 weight percent of at least one wax, wherein the hot melt adhesive has a viscosity of less than about 5000 cPs (50 grams/(cm.second)) at 150° C.Type: GrantFiled: February 2, 2000Date of Patent: November 20, 2001Assignees: The Dow Chemical Company, H. B. Fuller Licensing & Financing, Inc.Inventors: Robert A. Dubois, Cynthia L. Rickey, Steven W. Albrecht, Thomas F. Kauffman, Beth M. Eichler, Maynard Lawrence, Thomas H. Quinn
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Publication number: 20010036558Abstract: Multilayer articles such as V-belts, hoses, rubber sheets, tires are produced from ethylene, alpha-olefin, or ethylene, alpha olefin diene copolymer elastomers which despite their attractive properties, have not been used previously due to the lack of green tack. The problem of insufficient green tack is overcome by the incorporating an aromatic containing petroleum resin.Type: ApplicationFiled: January 12, 2001Publication date: November 1, 2001Inventors: Kenneth Lewtas, Vincent B.B.G. Gallez, Eric P. Jourdain, Thomas Jay Reynolds, Giandomenico Stella