Solid Graft Or Solid Graft-type Copolymer With Other Solid Polymer, Sicp, Or Spfi Patents (Class 524/504)
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Patent number: 7026277Abstract: The present invention is directed to a process for the preparation of polysaccharide grafted latex particles wherein the polysaccharide has ?-1,4 linkages, wherein the process comprises core/shell emulsion polymerisation. Preferably, the process comprises a single step of preparing the latex particles by emulsion polymerisation of latex monomers with the simultaneous grafting of the polysaccharide.Type: GrantFiled: December 17, 2003Date of Patent: April 11, 2006Assignee: Unilever Home & Personal Care USA Division of Conopco, Inc.Inventors: Paul Ferguson, Christopher Clarkson Jones, David Richard Arthur Mealing
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Patent number: 7008992Abstract: A non-ionic graft copolymer has a hydrophobic backbone and non-ionic, hydrophilic side chains having a molecular weight of at least 500, preferably 100–2000 is substantially insoluble in water, but soluble in an aqueous vehicle, and is particularly suited for use in aqueous coating compositions in which water comprises no more than 80% by weight of the vehicle for the composition.Type: GrantFiled: July 22, 1998Date of Patent: March 7, 2006Assignee: E. I. du Pont de Nemours and CompanyInventors: Loretta Ann Grezzo Page, Kathryn Amy Pearlstine, Waifong L. Anton
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Patent number: 7005465Abstract: The present invention offers a resin composition for user as a covering material for wires and cables that excels in fire retardancy with non-halogen, chemical resistance and melting properties, and also excels in workability, heat resistance, impact resistance and flexibility. A resin composition for wires and cables covering material is obtained by blending polyphenylene ether resin with syndiotactic polystyrene polymer, atactic polystyrene resin and non-halogen fire retardant or blending polyphenylene ether resin with syndiotactic polystyrene polymer, atactic polystyrene resin, non-halogen fire retardant and thermoplastic elastomer in fixed ratios.Type: GrantFiled: August 1, 2003Date of Patent: February 28, 2006Assignee: General ElectricInventor: Sho Sato
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Patent number: 7001949Abstract: An aqueous coating composition comprising a comb copolymer is disclosed. A method of forming a coating from the aqueous coating composition, and a coating formed by that method are also disclosed, as is a method of forming the comb copolymer. The comb copolymer is characterized in that aqueous dispersions of the comb copolymer have a Hard/Soft Balance Advantage value of at least 25%. The aqueous coating composition is capable of producing coatings having an excellent balance of hard and soft properties.Type: GrantFiled: September 13, 2001Date of Patent: February 21, 2006Assignee: Rohm and Haas CompanyInventors: David M. Fasano, Karl A. Bromm, Willie Lau, Jack C. Thibeault, David A. Larson, Paul R. Van Rheenen
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Patent number: 7001944Abstract: A mineral-filled, impact-resistant thermoplastic molding composition is disclosed. The composition contains at least one resin selected from the group consisting of polycarbonate and polyester carbonate B) impact resistance modifier, and C) wollastonite having carbon content greater than 0.1% relative to the weight of the wollastonite as determined by elemental analysis. Exhibiting high modulus of elasticity and a good toughness, in particular also at low temperatures, the composition is suitable for car body external applications.Type: GrantFiled: October 22, 2002Date of Patent: February 21, 2006Assignee: Bayer AktiengesellschaftInventors: Marc Vathauer, Andreas Seidel, Detlev Joachimi, Dieter Wittmann
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Patent number: 7001945Abstract: A flame-retardant polycarbonate resin composition comprising either a resin mixture of a polycarbonate resin and a styrenic resin, a functional group-having silicone compound, and a fluoro-olefin resin; or a polycarbonate resin, a functional group-having silicone compound, and a core/shell-type, grafted rubbery elastomer; or a resin mixture of a polycarbonate resin and a styrenic resin, a fluoro-olefin resin, an inorganic filler, and a polycarbonate-polyorganosiloxane copolymer and/or a functional group-having silicone resin, which composition and its moldings, exhibit good flame retardance, good impact resistance, and good thermal stability.Type: GrantFiled: March 18, 2003Date of Patent: February 21, 2006Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Akio Nodera, Masahiro Kitayama
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Patent number: 6995234Abstract: In the present invention, an inorganic reactant is, or reactants are, localized with respect to a dendritic polymer by physical constraint within or by a non-covalent conjugation to the dendritic polymer. The localized inorganic reactant or reactants is/are subsequently transformed to form a reaction product which is immobilized with respect to the dendritic polymer. This immobilization occurs on a nanoscopic scale as a consequence of the combined effects of structural, chemical and physical changes without having covalent bonds between the product(s) and the dendritic container and results in new compositions of matter called dendritic nanocomposites. The resulting nanocomposite material can be used to produce revolutionary products such as water soluble elemental metals, with specific applications including magnetic resonance imaging, catalytic, magnetic, optical, photolytic and electroactive applications.Type: GrantFiled: October 9, 2003Date of Patent: February 7, 2006Assignee: The Dow Chemical CompanyInventors: Donald A. Tomalia, Lajos Balogh
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Patent number: 6992121Abstract: Aqueous emulsion of a polymodal multistage polymeric material, wherein: (i) at least 50% of the polymodal multistage polymeric material comprises the polymers of at least two polymerisation stages having a Tg difference of ?20° C., more preferably ?40° C., and most preferably ?60° C.; (ii) at least 50% of the polymodal multistage polymeric material comprises the polymers of at least two polymerisation stages having a Dw differing by ?50 nm, preferably ?80 nm and more preferably ?100 nm; and (iii) the means to form at least one of the differing Tg's in (i) and at least one of the differing Dw's in (ii) are carried out in different stages of the multistage polymerisation to form the polymeric material. The polymer emulsion is useful for protective coatings, printing inks, overprint lacquer formulations, polishes, varnishes, sealants, paint formulations and adhesives.Type: GrantFiled: November 16, 2000Date of Patent: January 31, 2006Assignee: DSM IP Assets B.V.Inventors: Antonius Carolus Ida Adrianus Peters, Gerardus Cornelis Overbeek
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Patent number: 6989410Abstract: A multimodal polymer particle composition containing two or more populations of polymer particles having a total rubbery weight fraction of less than 90 weight percent is provided. Also disclosed is a process for preparing multimodal polymer particle compositions that can be dried to a powder. Multimodal polymer particle dispersions are disclosed for preparing impact modifiers that can be dried to a powder. Also provided are polymeric compositions having a matrix resin component and impact modifiers prepared from multimodal polymer particles.Type: GrantFiled: December 2, 2002Date of Patent: January 24, 2006Assignee: Rohm and Haas CompanyInventors: Raymond Gerard Hamilton, Morris Christopher Wills, Kirk Harold Moyer, Jennifer Lynn Petoff, Joseph Robert Adamo
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Patent number: 6984686Abstract: The present invention discloses a rubbery polymer having improved properties, which is comprised of repeat units which are comprised of (a) butyl acrylate, or optionally a mixture of butyl acrylate and 2-ethylhexyl acrylate containing up to about 40 percent 2-ethylhexyl acrylate, (b) at least one member selected from the group consisting of methyl methacrylate, ethyl methacrylate, methyl acrylate, and ethyl acrylate, (c) optionally, about 0% to about 40% of an alkoxy ethyl acrylate or an alkoxy ethyl methacrylate, (d) acrylonitrile, (e) styrene, and (f) a crosslinking agent; wherein about 1% to about 10% of a monomer containing reactive cure sites selected from the group consisting of hydroxyl groups, glycidyl groups, carboxylic acid groups, and unsaturated cure sites is incorporated into the rubbery polymer.Type: GrantFiled: December 18, 2003Date of Patent: January 10, 2006Assignee: Eliokem S.A.S.Inventor: Hung Dang Ngoc
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Patent number: 6984701Abstract: This invention relates to polymeric dispersants useful in ink jet ink compositions. The graft polymers comprise monomers having electron rich functional groups, which exhibit favorable interactions with the surface of pigment particles thereby better stabilizing the pigment dispersion within the aqueous ink composition. The graft polymers also comprise hydrophobic monomers having the ability to form hydrogen bonding. The polymers of the present invention provide a dispersant that increases the smear resistance of pigmented inks, especially when used on photo or gelatin paper. The graft polymers also provide excellent chroma for printing. The present invention also relates to aqueous ink compositions which include those polymeric dispersants.Type: GrantFiled: November 26, 2002Date of Patent: January 10, 2006Assignee: Lexmark International, Inc.Inventors: Paul Sacoto, Jing X. Sun, Naiyu Sun
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Patent number: 6967225Abstract: The invention relates to polypropylene compositions, methods of preparing the polypropylene compositions, and methods of producing molded or extruded articles of the polypropylene composition. In one embodiment, the polypropylene composition contains: (a) about 60 to about 65 wt. % of a polypropylene resin; (b) about 10 to about 15 wt. % of an ethylene-alpha-olefin copolymer rubber; (c) about 20 to about 25 wt. % talc; (d) about 0.5 to about 3.0 wt. % of a grafted polypropylene resin; (e) about 0.2 to about 0.5 wt. % of an unsaturated fatty acid amide; and (f) about 0.2 to about 0.5 wt. % scratch-resistant agent, all based on the weight of the polypropylene composition. The scratch-resistant agent contains about 30 to about 50 wt. % of an ethylene vinyl acetate, and about 50 to about 70 wt. % of an aliphatic petroleum resin, based on the weight of the scratch-resistant agent. In another aspect, the invention relates to a process for preparing the polypropylene composition described above.Type: GrantFiled: April 26, 2004Date of Patent: November 22, 2005Assignees: Honda Motor Co., Ltd., Advanced Composites, Inc.Inventors: Corey S. Mcenhill, Bryan T. Cerra, Patty Scott, Youichi Kawai, Shigemi Sakumoto, Hiroyuki Toshino
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Patent number: 6949597Abstract: There is provided composition comprising i) a thermoplastic polymer ii) a compound having the formula wherein R1, R2 and R3 are independently selected from an acyl group or a hydrogen atom, wherein at least one of R1, R2 and R3 is an acyl group (a short acyl group) having from 2 to 6 carbon atoms, wherein at least one of R1, R2 and R3 is a branched chain acyl group (a long acyl group) consisting of a saturated chain having 10 to 20 carbon atoms and a hydrophilic branch group.Type: GrantFiled: January 21, 2004Date of Patent: September 27, 2005Assignee: Danisco A/SInventors: Bjarne Nielsen, Flemming Vang Sparso, Jorgen Kirk Kristiansen
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Patent number: 6946518Abstract: The invention relates to a composition comprising, in a physiologically acceptable medium, at least one first semi-crystalline polymer having a melting point of greater than or equal to 30° C., and at least one second film-forming polymer capable of forming a hydrophobic film at room temperature. The composition makes it possible to obtain a film that is more resistant to removal by cold water than to removal by warm water. The composition can be applied to the making up and care of keratin materials.Type: GrantFiled: May 6, 2002Date of Patent: September 20, 2005Assignee: L'Oreal S.A.Inventor: Val'ri De La Poterie
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Patent number: 6933330Abstract: A water-based ink comprising (A) a coloring material; and (B) an aqueous dispersion of polymer particles comprising a water-insoluble graft copolymer having an acrylic polymer side chain (P) and a salt-forming group (Q), wherein the acrylic polymer side chain (P) is a polymer made of at least one monomer represented by the formula (1): CH2?C(R1)COOR2??(1) wherein R1 is hydrogen atom or an alkyl group having 1 to 5 carbon atoms; and R2 is an alkyl group having 1 to 20 carbon atoms. The water-based ink is used for a water-based ink for inkjet printing.Type: GrantFiled: December 28, 2000Date of Patent: August 23, 2005Assignee: Kao CorporationInventors: Yuki Hidaka, Takehiro Tsutsumi
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Patent number: 6923986Abstract: Gel-forming macromers including at least four polymeric blocks, at least two of which are hydrophobic and at least one of which is hydrophilic, and including a crosslinkable group are provided. The macromers can be covalently crosslinked to form a gel on a tissue surface in vivo. The gels formed from the macromers have a combination of properties including thermosensitivity and lipophilicity, and are useful in a variety of medical applications including drug delivery and tissue coating.Type: GrantFiled: August 27, 2003Date of Patent: August 2, 2005Assignee: Genzyme CorporationInventors: Chandrashekhar P. Pathak, Shikha P. Barman, C. Michael Philbrook, Amarpreet S. Sawhney, Arthur J. Coury, Luis Z. Avila, Mark T. Kieras
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Patent number: 6921792Abstract: Disclosed are a chemically modified polyolefin elastomer composition that is highly compatible with thermoplastics and useful in improving the low temperature impact strength of thermoplastics, and a method for preparing the chemically modified polyolefin elastomer composition. The elastomer composition includes a polyolefin resin and a chemically modified ethylene-?-olefin elastomer mixed with the polyolefin resin. The chemically modified ethylene-?-olefin elastomer includes an ethylene-?-olefin elastomer backbone and grafted branches from the backbone. The branches includes polymers of one or more monomers comprising an unsaturated organic compound containing at least one carbonyl group. The method of producing the composition includes mixing an ethylene-?-olefin elastomer and a polyolefin resin to provide a mixture thereof, to which added is one or more monomers having an unsaturated organic compound containing at least one carbonyl group.Type: GrantFiled: February 7, 2002Date of Patent: July 26, 2005Assignee: Kumho Polychem Co., Ltd.Inventors: Sang Bae Kim, Sung Su Na, Yeon Won Jeyong
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Patent number: 6919402Abstract: The present invention provides a compound having anionic functional groups that is useful as a pigment dispersant in waterborne coating compositions, particularly in anodic electrocoat compositions. The compound comprises an acrylic backbone having a stabilizing substituent and a plurality of anionic groups. The anionic groups result from the incorporation of a plurality of acid groups into the acrylic backbone followed by reaction with organic amine.Type: GrantFiled: November 8, 2001Date of Patent: July 19, 2005Assignee: BASF CorporationInventor: Timothy S. December
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Patent number: 6908959Abstract: The present invention provides a resin composition having low mold contamination, excellent moldability and frictional wear properties, and further having good impact resistance. The thermoplastic resin composition is a copolymer comprising: [A] 100 parts by weight of a polyacetal resin or thermoplastic aromatic polyester resin, [B] 0.1 to 20 parts by weight of a graft polymer in which (B-2) a vinyl (co)polymer component comprising at least one vinyl compound is graft-polymerized on (B-1) an olefin polymer as a backbone polymer, and [C] 0.Type: GrantFiled: July 11, 2001Date of Patent: June 21, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Hideki Hirano, Kunihiko Takeuchi
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Patent number: 6906122Abstract: The present invention provides thermoplastic polycarbonate blends which contain phosphonate amines and special graft polymers, which are prepared using redox initiator systems, and which are characterised by improved mechanical properties such as notched impact resistance, weld line strength and stress crack resistance.Type: GrantFiled: August 22, 2000Date of Patent: June 14, 2005Assignee: Bayer AktiengesellschaftInventors: Michael Zobel, Thomas Eckel, Torsten Derr, Dieter Wittmann
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Patent number: 6903156Abstract: The present invention relates to light fast, aqueous, strippable coating compositions containing A) 40 to 90 wt. %, based on resin solids of A) and B), of aqueous polyurethane-polyureas and B) 10 to 60 wt. %, based on resin solids of A) and B), of polymers prepared from radically polymerizable monomers, wherein the percentages of A) and B) add up to 100, based on the weight of resin solids of A) and B). The present invention relates also to substrates coated with these strippable coating compositions. In addition, the present invention relates to the use of the stripped coatings as recycled material by mechanically comminuting the stripped coatings, optionally after cleaning, and then either pressing them in heatable presses to form sheets, or extruding them in an extruder to form endless thermoplastic threads, and then processing the resulting threads by known granulating methods to form cylindrical, spherical, lenticular or rhombic granules.Type: GrantFiled: March 5, 2001Date of Patent: June 7, 2005Assignee: Bayer AktiengesellschaftInventors: Hanns-Peter Müller, Horst Gruttmann, Joachim Petzoldt, Heino Müller, Christoph Irle
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Patent number: 6900253Abstract: The object of the present invention is to provide an ink for ink jet printers which is improved in dispersion stability. The ink is one containing a pigment and an organic solvent where a silicone graft polymer is contained in the ink and is dispersed in the organic solvent in the form of particles having a particle diameter of 0.01-0.3 ?m in such a state as the silicone graft polymer being adsorbed to at least a part of the outer surface of the pigment. The pigment is an organic pigment and/or carbon black.Type: GrantFiled: March 29, 2001Date of Patent: May 31, 2005Assignee: Hitachi Maxell, Ltd.Inventors: Nagayuki Takao, Miyuki Nishimura
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Patent number: 6894102Abstract: A syndiotactic polystyrene blend comprises syndiotactic polystyrene and poly(arylene ether) wherein the poly(arylene ether) has an intrinsic viscosity less than about 0.25 deciliters per gram (dl/g) when measured in chloroform at 25° C.Type: GrantFiled: May 20, 2002Date of Patent: May 17, 2005Assignee: General ElectricInventor: Glen David Merfeld
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Patent number: 6881787Abstract: The present invention provides polymeric additive systems and processes for preparing polymeric additive systems which contain a liquid component and a solid component, wherein the weight fraction of the solid component is more than 50%. The present invention also provides polymeric compositions and processes for preparing polymeric compositions that include a polymeric component and a polymeric additive system which contains a liquid component and a solid component, wherein the weight fraction of the solid component is more than 50%. The disclosed compositions and processes are useful in the preparation of polymeric materials and articles produced therefrom.Type: GrantFiled: August 31, 2001Date of Patent: April 19, 2005Assignee: Rohm and Haas CompanyInventors: Jane Elizabeth Weier, Chuen-Shyong Chou, Morris Christopher Wills, Jiun-Chen Wu, Fanwen Zeng, Eugene Patrick Dougherty
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Patent number: 6875804Abstract: The syndiotactic polystirene resin composition according to the present invention is superior in compatibility between a syndiotactic polystyrene and a rubber component and mechanical properties such as impact strength, in which a syndiotactic polystyrene-maleic anhydride (sPS-MA) and a hydrogenated styrene/butadiene/styrene-maleic anhydride (SEBS-MA) are employed as compatibilizers and a diamine compound is added as a coupling agent. The compatibilizers and coupling agents improve polarity of both the syndiotactic polystyrene and the rubber component and impact strength of the syndiotactic polystyrene composition.Type: GrantFiled: December 18, 2000Date of Patent: April 5, 2005Assignee: Samsung Atofina Co., Inc.Inventors: Xuequan Zhang, Jae Gon Lim
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Patent number: 6875808Abstract: The present invention provides multiple polymeric additive systems and processes for preparing multiple polymeric additive systems which contain a liquid component and a solid component, wherein the solid component contains two or more polymeric additive particles having different compositions. The present invention also provides polymeric compositions and processes for preparing polymeric compositions that include a polymeric component and a multiple polymeric additive system which contains a liquid component and a solid component, wherein the solid component contains two or more polymeric additive particles having different compositions. The disclosed compositions and processes are useful in the preparation of polymeric materials and articles produced therefrom.Type: GrantFiled: August 31, 2001Date of Patent: April 5, 2005Assignee: Rohm and Haas CompanyInventors: Jane Elizabeth Weier, Chuen-Shyong Chou, Morris Christopher Wills, Jiun-Chen Wu, Eugene Patrick Dougherty
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Patent number: 6867254Abstract: Disclosed is a composition comprising a hydrophobic polymer phase and a water-swollen superabsorbent polymer phase. Also disclosed is a two component system for preparing a composition comprising a hydrophobic polymer phase and a water-swollen superabsorbent polymer phase. The first component is an emulsion of the hydrophobic polymer; the second component comprises the superabsorbent polymer; and the first and second components form the composition when mixed.Type: GrantFiled: September 3, 2002Date of Patent: March 15, 2005Assignee: W.R. Grace & Co., - Conn.Inventors: Robert A. Wiercinski, Xiudong Sun
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Patent number: 6858667Abstract: A hot-melt adhesive contains a non-pressure-sensitive adhesive that is fluid at application temperatures and that is removable, residue-free, by peeling at small peel angles. The adhesive contains additives selected from the group consisting of fillers, stabilizers, dyes, carbon black, and moisture absorbents. The adhesive also containing the following: a) thermoplastic elastomers that may be grafted, b) grafted and poly-?-olefins, c) polyisobutylene or a softening oil, d) adhesive resin, and e) end block resin.Type: GrantFiled: November 20, 2000Date of Patent: February 22, 2005Assignee: Hella KG Hueck & Co.Inventors: Horst Flerlage, Simone Rohrberg, Stephan Schmidt, Ulrich Temme
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Patent number: 6849688Abstract: Novel polystyrene grafted polyolefin compositions having a high level of grafting are made using a novel process which involves suspending styrene in water. The polystyrene grafted polyolefin compositions can then be converted into ion exchange membranes that are particularly useful in electrolytic cells.Type: GrantFiled: March 26, 2002Date of Patent: February 1, 2005Assignee: Sachem, Inc.Inventor: Mark Hellums
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Patent number: 6846855Abstract: A sizing composition and method for manufacturing such, which is suitable for use in manufacturing fiber-reinforced composites which have desirable properties such as high strength, high resistance to water and chemical degradation, and improved coloring. This is achieved in part by good adhesion of the sizing composition to the reinforcing fibers and the polymer matrix. The sizing composition includes an emulsion having a grafted polyolefin, two or more saturated fatty acids, and one or more silane coupling agents. When reinforcing fiber materials sized according to the invention are used in a molding process, the resulting composites are observed to show minimal discoloration.Type: GrantFiled: May 1, 2001Date of Patent: January 25, 2005Assignee: Owens Corning Fiberglas Technology, Inc.Inventors: Les E. Campbell, Sanjay P. Kashikar
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Patent number: 6846870Abstract: Synthetic hydrotalcites of the general formula [M2+1-xM3+x(OH)2]x+[An?x/n·mH2O]x? where M2+ is a divalent cation, M3+ is a trivalent cation and An? is an organic anion selected from straight chain carboxylates of C16-C18 acids, carboxylates of aromatic acids, carboxylates of acrylic acid, unsaturated carboxylates of methacrylic acid, unsaturated carboxylates of vinylacetic acid and C2 and higher organic acids containing heteroatoms such as nitrogen, phosphorous, sulfur and halogens are disclosed, along with methods of synthesis and uses.Type: GrantFiled: January 11, 2002Date of Patent: January 25, 2005Assignee: Sunoco, Inc. (R&M)Inventors: Gwendolyn Hawk, Masaki Fujii, George R. Gallaher, Jr., Sehyun Kim, Edwin B. Townsend, IV, Thomas S. Brima
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Patent number: 6841617Abstract: Disclosed is a thermogelling biodegradable aqueous polymer solution useful in providing a bioactive agent delivery system. The present invention provides a thermogelling biodegradable aqueous polymer solution with a polyethylene glycol (PEG) block and a biodegradable polyester block, where the blocks are linked to form a polymer of a general structure comprising the formula of An(B), where n is greater than 2 and A is selected from the group consisting of a polyethylene glycol block and a biodegradable polyester block, B is selected from the group consisting of a polyethylene glycol block and a biodegradable polyester block, and A is different from B.Type: GrantFiled: April 11, 2001Date of Patent: January 11, 2005Assignee: Battelle Memorial InstituteInventors: Byeong Moon Jeong, Anna Gutowska
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Patent number: 6841212Abstract: Disclosed is an adhesive composition suitable for bonding to a polymeric material and steel. The composition comprises specified proportions of a maleic anhydride-modified propylene-ethylene copolymer resin, a maleic anhydride-modified polyethylene, a polyisobutylene, a terpolymer comprising ethylene, propylene and a non-conjugated diene, and a hydrocarbon resin tackifier. The composition is useful in preparing a heat-recoverable article that is used to provide a protective coating on the joints of a steel pipeline. Also provided is a single sleeve or two-sleeve system for application to the joints of a coated steel pipeline operating at temperatures up to 120° C.Type: GrantFiled: April 17, 2002Date of Patent: January 11, 2005Inventors: Sirarpi Bicakci-Jenkins, Abboud L. Mamish
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Patent number: 6838502Abstract: Provided is a flame-retardant polycarbonate resin composition comprising (A) 100 parts by weight of a polycarbonate resin, (B) from 0.2 to 10 parts by weight of a core/shell type, grafted rubbery elastomer, (C) from 0.02 to 5 parts by weight of an organic alkali metal salt and/or an organic alkaline earth metal salt, and (D) from 0.02 to 3 parts by weight of a polyfluoro-olefin resin. Not containing a halogen compound for flame retardation, it has good flame retardancy, and its moldability, impact resistance, thermal stability, wet heat resistance and recyclability are all good.Type: GrantFiled: June 23, 2000Date of Patent: January 4, 2005Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Akio Nodera, Masahiro Kitayama
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Publication number: 20040266944Abstract: Disclosed is a composition comprising a hydrophobic polymer phase and a water-swollen superabsorbent polymer phase. Also disclosed is a two component system for preparing a composition comprising a hydrophobic polymer phase and a water-swollen superabsorbent polymer phase. The first component is an emulsion of the hydrophobic polymer; the second component comprises the superabsorbent polymer; and the first and second components form the composition when mixed.Type: ApplicationFiled: April 27, 2004Publication date: December 30, 2004Applicant: W.R. Grace & Co. - Conn.Inventors: Robert A. Wiercinski, Xiudong Sun
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Patent number: 6835767Abstract: A polymer dispersion is prepared by copolymerization of from 20 to 70 parts by weight of a monomer mixture comprising a) from 2.5 to 100% by weight of one or more (meth)acrylates of monohydric, saturated C3-C8-alcohols as monomers A and b) from 0 to 97.5% by weight of one or more further ethylenically unsaturated monomers as monomers B in 100 parts by weight of an aqueous solution which contains from 5 to 35% by weight of a starch or of a starch derivative by emulsion polymerization in the presence of an initiator containing peroxide groups, by a process in which the initiator and monomers are metered in continuously and wherein, a first amount of initiator is metered in over a first feed period of from 5 to 60 minutes and a second amount of initiator is metered in over a second feed period of from 15 to 180 minutes, the first amount of initiator being greater than the second amount of initiator.Type: GrantFiled: February 7, 2003Date of Patent: December 28, 2004Assignee: BASF AktiengesellschaftInventors: Ingolf Kühn, Rudolf Schuhmacher
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Patent number: 6835776Abstract: Thermoplastic molding materials containing the following ingredients with regard to components A-F: A) 5-70 wt. % of at least one graft copolymer A) consisting of a rubber elastic base with a glass transition temperature below 0° and a grafted overlay made of a styrene compound and acrylonitrile or methacrylonitrile or mixture thereof in addition to, optionally, other monoethylenically unsaturated monomers, B) 29-90 wt. % of a hard copolymer made of at least one styrene compound, acrylonitrile or methacrylonitrile or mixtures thereof and, optionally, other monoethylenically unsaturated monomers, C) 0-5 wt. % of at least one three-block copolymer X-Y-X with a middle block Y propylenoxide units and terminal block X made of ethyleneoxide units, D) 0.01-5 wt. % of at least one butylated reaction product of cresol with dicyclopentadiene, E) 0.01-5 wt. % of at least one thiocarboxylic acid ester, F) 0.01-5 wt.Type: GrantFiled: November 25, 2002Date of Patent: December 28, 2004Assignee: BASF AktiengesellschaftInventors: Norbert Güntherberg, Bernhard Czauderna, Peter Ittemann
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Patent number: 6831115Abstract: Modified polyolefins are produced by reacting a functionalized polyolefin with one or more ethylenically unsaturated compounds having a functional group reactive with the functional group on the polyolefin. These modified polyolefins may then polymerize in the presence of a photoinitiator upon exposure to ultraviolet radiation and also have the capability of copolymerizing in the presence of a photoinitiator with other ethylenically unsaturated crosslinking agents upon exposure to ultraviolet radiation. These modified polyolefins may also contain pendant carboxyl groups, which have the propensity to form hydrophilic salts with amines, and therefore may be rendered water-dispersible. The modified polyolefins of the present invention significantly improve the adhesion of paints, inks, and adhesives to various plastic and metal substrates.Type: GrantFiled: February 6, 2002Date of Patent: December 14, 2004Assignee: Eastman Chemical CompanyInventors: Kevin Alan Williams, Michael Bellas, Charlie Carroll Freeman, Jr., Lisa Kay Templeton
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Patent number: 6831120Abstract: The present invention relates to polycarbonate blends containing phosphonate amine and inorganic nanoparticles, which have improved flame proofing and improved mechanical properties such as low-temperature impact strength, elongation at break, weld line strength and stress cracking resistance as well as an improved yellowness index.Type: GrantFiled: February 27, 2002Date of Patent: December 14, 2004Assignee: Bayer AktiengesellschaftInventors: Michael Zobel, Thomas Eckel, Torsten Derr, Dieter Wittmann
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Publication number: 20040249053Abstract: An adhesion promoter comprises a polymeric strand with an epoxy-reactive group other than a phenolic hydroxyl group, and a crosslinking group that crosslinks the polymeric strand with a rubber in a crosslinking reaction, wherein the polymeric strand is water soluble in an amount of at least 10 g/l, and more preferably at least 100 g/l. Particularly contemplated adhesion promoters may further comprise styrene-butadiene-vinylpyridine copolymer, and may advantageously be employed as a replacement for resorcinol-formaldehyde latex in the fabrication of a rubber containing tire. Especially contemplated rubber compositions may additionally comprise maleinized polybutadiene to synergistically improve adhesion of the rubber to a polymeric fiber coupled via contemplated adhesion promoters.Type: ApplicationFiled: July 8, 2004Publication date: December 9, 2004Applicant: Honeywell International Inc.Inventors: Truc-Chi Huynh-Tran, Huy X. Nguyen
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Patent number: 6822019Abstract: The present invention discloses a complex of clay and polyoxyalkylene amine grafted polypropylene and a method for producing the same. The clay in the present invention is formed by modifying inorganic layered silicate clay with an amphibious intercalating agent obtained by polymerizing polyoxyalkylene amine having molecular weight over 1,800 and polypropylene-grafting-maleic anhydride (PP-g-MA). The method for producing the complex is primarily to polymerize the polyoxyalkylene diamine having molecular weight over 1,800 and polypropylene-grafting-maleic anhydride (PP-g-MA) to form an amphibious intercalating agent, which is then acidified with an inorganic acid, and mixed with the swelled clay by powerfully stirring at 60-80° C. for cation exchanging to obtain the titled complex. According to the present invention, the complex is an excellent surfactant and a reinforcing agent of polymers.Type: GrantFiled: December 21, 2001Date of Patent: November 23, 2004Assignee: National Chung-Hsing UniversityInventors: Jiang-Jen Lin, Yi-Chien Chen
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Publication number: 20040229983Abstract: A composition substantially free of elastomers (plasticizers), which is a crystalline polypropylene homopolymer, modified by mixing with an ethylene octene copolymer plastomer and containing an exfoliated inorganic nanocomposite and a coupling agent which is a polyolefin polymer grafted to maleic anhydride is described. The composition is adapted to be used with pigments to make finished molded products which have an appearance of paint covered by a clear coat and which are scratch resistant.Type: ApplicationFiled: May 14, 2003Publication date: November 18, 2004Inventor: Kris W. Winowiecki
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Publication number: 20040225054Abstract: The present invention is directed to a method for producing a copolymer and a copolymer product of the method. The copolymer is prepared by a controlled radical polymerization process, typically an atom transfer radical polymerization process, in which polymerizable alkene monomers are polymerized in the presence of a halogenated polyolefin macroinitiator. The copolymer product of this process is useful in a film-forming composition that adheres strongly to polyolefinic substrates and to which non-polyolefinic film-forming compositions strongly adhere. The copolymer can be applied to a substrate in an adhesion-promoting layer or can be incorporated into a film-forming composition, such as a primer, that contains additional resinous compounds.Type: ApplicationFiled: June 10, 2004Publication date: November 11, 2004Inventors: Simion Coca, Brian K. Rearick, James B. O'Dwyer
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Patent number: 6815491Abstract: A reinforced thermoplastic composition includes a poly(arylene ether), a poly(alkenyl aromatic) compound, a polyolefin, a hydrogenated block copolymer with a high alkenyl aromatic content, a polyolefin-graft-cyclic anhydride copolymer, and a reinforcing filler. The composition exhibits high stiffness while maintaining high impact strength.Type: GrantFiled: November 1, 2001Date of Patent: November 9, 2004Assignee: General ElectricInventors: Adeyinka Adedeji, Thomas J. Hartle, John C. Haylock
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Patent number: 6812284Abstract: Obtention of the amorphous polyester resin compositions having improved impact resistance, by using the core-shell impact resistance improving agents which comprises: (A) from 40 to 90 parts by weight of a core made of a butadiene-based copolymer; (B) from 5 to 40 parts by weight of an inner layer shell obtained by polymerizing a monomer mixture containing a (meth) acrylate monomer having hydroxyl or alkoxy group; and (C) from 5 to 20 parts by weight of an outer layer shell obtained by polymerizing a monomer mixture containing an aromatic vinyl monomer.Type: GrantFiled: December 27, 2002Date of Patent: November 2, 2004Assignee: Kaneka CorporationInventors: Hisashi Onuma, Hideki Kawai, Mamoru Kadokura
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Patent number: 6806319Abstract: The thermal stability of a polymer is improved by blending, before melt processing, (1) a polymer selected from (a) olefin polymers, (b) polymers of vinyl-substituted aromatic compounds, (c) polymers of substituted acrylic esters, and (d) graft copolymers comprising a backbone of a propylene polymer material having a substituted acrylic ester graft polymerized thereto, and (2) about 0.1% to about 5% of at least one unsaturated aliphatic compound having a molecular weight of at least 200 and an iodine number of at least 10, e.g., soybean oil.Type: GrantFiled: August 8, 2001Date of Patent: October 19, 2004Assignee: Basell Polioelfine Italia S.p.A.Inventors: Abuzar Syed, Lester P. J. Burton
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Patent number: 6797784Abstract: The invention relates to homopolymers and/or copolymers containing <100 ppm coarse particles with a particle diameter of between 200 and 500 &mgr;m, to thermoplastic moulding materials containing said homopolymtrs and/or copolymers, to the use of the homopolymers and/or copolymers and moulding materials for the production of moulded parts and to the moulded parts themselves.Type: GrantFiled: May 3, 2001Date of Patent: September 28, 2004Assignee: Bayer AktiengesellschaftInventors: Michael Zobel, Dieter Wittmann, Herbert Eichenauer, Alfred Eitel, Thomas Eckel, Bernd Keller, Hans-Bernhard Hauertmann, Dorothy Rose
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Patent number: 6794425Abstract: A composition comprising the components: (a) a hydrophilic polymer having a number average molecular weight less than 30,000; (b) a hydrophobic polymer having a number average molecular weight more than 40,000; (c) pigment; and (d) liquid medium, and use of the composition in ink-jet printing.Type: GrantFiled: August 23, 2001Date of Patent: September 21, 2004Assignee: Avecia LimitedInventors: Gordon Lee Ellis, Paul Francis Mahon, Stephen George Yeates, Stuart Nicholas Richards, Tom Annable
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Patent number: 6784238Abstract: A primer composition comprises (I) a modified copolymer obtainable by addition of a polar group represented by the following formula (1) or (2) to at least one (co)polymer selected from an olefin (co)polymer, a halogenated olefin (co)polymer, a styrene/conjugated diene/styrene tri-block copolymer or its hydrogenated product and a halogenated styrene/conjugated diene/styrene tri-block copolymer or its hydrogenated product, wherein the modified copolymer contains the polar group in an amount of from 1×10−3 to 250×10−3 mol based on 100 g of the modified copolymer, and (II) an organic solvent; in the formulas (1) and (2), R1 is hydrogen or an alkyl group of 1 to 6 carbon atoms, R2 is an alkylene group of 1 to 6 carbon atoms and n is an integer of 1 to 20.Type: GrantFiled: February 27, 2002Date of Patent: August 31, 2004Assignee: Mitsui Chemicals, Inc.Inventor: Suguru Tokita
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Patent number: 6780922Abstract: An adhesion promoter comprises a polymeric strand with an epoxy-reactive group other than a phenolic hydroxyl group, and a crosslinking group that crosslinks the polymeric strand with a rubber in a crosslinking reaction, wherein the polymeric strand is water soluble in an amount of at least 10 g/l, and more preferably at least 100 g/l. Particularly contemplated adhesion promoters may further comprise styrene-butadiene-vinylpyridine copolymer, and may advantageously be employed as a replacement for resorcinol-formaldehyde latex in the fabrication of a rubber containing tire. Especially contemplated rubber compositions may additionally comprise maleinized polybutadiene to synergistically improve adhesion of the rubber to a polymeric fiber coupled via contemplated adhesion promoters.Type: GrantFiled: January 17, 2002Date of Patent: August 24, 2004Assignee: Honeywell International Inc.Inventors: Truc-Chi Huynh-Tran, Huy X. Nguyen