Carboxylic Acid Or Ester Groups Each Directly Attached To Separate Aryl Groups Through The Carbonyl Of The Carboxylic Acid Or Ester Group Patents (Class 524/293)
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Patent number: 6034159Abstract: A hot melt adhesive for multipurpose bookbinding comprising a) from about 35% to about 40% by weight of a styrene-isoprene-styrene bloc copolymer; b) from about 25% to about 50% by weight of at least one compatible tackifying resin; c) from about 5% to about 30% by weight of a synthetic high melt point wax; d) from about 5% to about 30% by weight of a solid benzoate plasticizer; e) up to about 25% of a compatible wax; and f) up to about 15% of a compatible polymer.Type: GrantFiled: July 3, 1996Date of Patent: March 7, 2000Assignee: H.B. Fuller Licensing & Financing, Inc.Inventor: David B. Malcolm
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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: 5939483Abstract: A hot melt useful for packaging comprising a) from about 10% to about 40% by weight of a block copolymer; b) up to about 20% of a compatible polymer wherein the total polymer content does not exceed 40% by weight; c) from about 25% to about 60% by weight of at least one tackifying resin; d) from about 5% to about 25% by weight of a compatible plasticizer; and e) from about 10% to about 40% by weight of at least one wax component wherein the viscosity of the hot melt adhesive is less than about 1500 cPs at about 150.degree. C.Type: GrantFiled: July 14, 1997Date of Patent: August 17, 1999Assignee: H.B. Fuller Licensing & Financing, Inc.Inventor: Michelle C. Kueppers
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Patent number: 5853864Abstract: The articles of this invention have increased resistance to moisture induced delamination at a bond line comprising a substrate, a second layer an dan adhesive. The increased resistance to moisture and increase in bond strength between the adhesive, the substrate and the second layer is produced through a novel adhesive. The adhesive after spraying cools to below the softening point of the components but retains sufficient liquidity to fully wet or to penetrate the second layer causing the layers to be bonded to the film substrate through intimate adhesive bonds or by bonding through a physical entrapment. The physical entrapment of the nonwoven layer substantially prevents moisture-induced debonding or delamination.Type: GrantFiled: June 21, 1995Date of Patent: December 29, 1998Assignee: H. B. Fuller Licensing & Financing Inc.Inventor: William L. Bunnelle
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Patent number: 5747573Abstract: A high heat resistant hot melt adhesive composition, its method of manufacture and its use on plastic and metallized foil containers, structures and the like is described herein, which adhesive contains a blend of an amorphous polyalphaolefin polymer, a solid benzoate plasticizer and a hydrocarbon tackifier where the elevated peel value of the resulting adhesive composition is greater than 160.degree. F.Type: GrantFiled: November 16, 1995Date of Patent: May 5, 1998Assignee: H. B. Fuller Licensing & Financing, Inc.Inventor: Lisa L. Ryan
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Patent number: 5739188Abstract: A thermoplastic composition comprising: (i) a thermoplastic resin; (ii) an antiplasticizing amount of a solid plasticizer; (iii) optionally an acid scavenger; and (iv) optionally a heat stabilizer selected from the group consisting of mixed metal stabilizers, organotin stabilizers, lead stabilizers, metal free stabilizers, or any combination of the foregoing which improves the processability of the thermoplastic resin without affecting the physical properties of the thermoplastic resin.Type: GrantFiled: September 6, 1995Date of Patent: April 14, 1998Inventor: Nirav Desai
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Patent number: 5710199Abstract: The present invention is directed to compositions for use as additives in the automotive industry, which compositions contain waste powder prime and a plasticizer selected from the group consisting of 2-ethylhexyl diphenyl phosphate, diisoheptyl phthalate, a linear phthalate based upon C.sub.7 -C.sub.9 alcohols, a mixture of esters containing a minimum of 55 percent of diesters and a maximum of 20 percent dibenzoate, a mixture of esters containing a minimum of 60 percent of diesters and a maximum of 30 percent dibenzoate and dipropylene glycol dibenzoate and automotive sealants which contain waste powder prime, a plasticizer selected from the group consisting of 2-ethylhexyl diphenyl phosphate, diisoheptyl phthalate, a linear phthalate based upon C.sub.7 -C.sub.Type: GrantFiled: June 19, 1996Date of Patent: January 20, 1998Inventors: James F. Hubert, Richard A. Rinka
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Patent number: 5698621Abstract: There is disclosed a printable self-clinging flexible film containing a polymerized PVC-based resin, a primary plasticizer and a stabilizer. The film exhibits high tackiness and surface tension, and printing ink may be applied directly to the surface of the film. Compositions for forming the film, and related methods are also disclosed.Type: GrantFiled: April 7, 1995Date of Patent: December 16, 1997Assignees: Achilles USA, Inc., Achilles CorporationInventors: Bach T. Nguyen, Tomiki Matsumoto, Toshihiro Katagiri
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Patent number: 5670564Abstract: Rigid-rod macromonomers, and methods for preparing such macromonomers, having a polyaromatic backbone, solubilizing side groups, and reactive end groups are provided. The macromonomers are chemically incorporated into polymer systems to provide stronger, stiffened polymers.Type: GrantFiled: June 1, 1995Date of Patent: September 23, 1997Assignee: Maxdem IncorporatedInventors: Robert R. Gagne, Matthew Louis Marrocco, III, Mark Steven Trimmer, Neil H. Hendricks
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Patent number: 5650458Abstract: A waterborne composition particularly adapted for coating paperboard is a mixture of a major portion of high-styrene content latex, and minor levels of butyl benzyl phthalate, styrene/butadiene rubber latex and high-acid content styrene/acrylic latex. The coating produced by the composition is hard, glossy, and water-resistant. The components are selected to be fully food-compatible.Type: GrantFiled: March 11, 1996Date of Patent: July 22, 1997Assignee: Morton International, Inc.Inventor: William G. Wagner
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Patent number: 5627231Abstract: Disclosed are compositions comprising plasticizer, first organic polymeric material fused or fusible in the plasticizer and second polymeric material not fusible in the plasticizer, said second polymeric material having a softening point temperature less than about the fusion temperature of the first polymeric material in the plasticizer. The first polymeric material preferably comprises vinyl resin and the second polymeric material preferably comprises acrylate polymers in particulate form. Also disclosed are methods for producing surface coverings comprising converting the liquid plastisols of the present invention to solid compositions under time and temperature conditions sufficient to enable softening, and preferably substantial softening and swelling, of the second polymeric material prior to fusion of the liquid composition.Type: GrantFiled: August 11, 1994Date of Patent: May 6, 1997Assignee: Congoleum CorporationInventors: Alan A. Shalov, Eugene Morselander, Ronald Dixon
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Patent number: 5624986Abstract: The novel adhesives of this invention contain a blend of components that result in the adhesive having a physical property that changes at a controlled rate as a function of time after application until it reaches a final equilibrium value.The adhesives can contain a thermoplastic polymer base, a tackifying resin, and an aromatic plasticizer optionally in combination with other ingredients. The plasticizer tackifier combination is chosen such that the tackifier/plasticizer interaction causes the initial value of the physical property after application to change, at a controlled rate, to a final equilibrium level.Type: GrantFiled: October 17, 1995Date of Patent: April 29, 1997Assignee: H. B. Fuller Licensing & Financing Inc.Inventors: William L. Bunnelle, Christopher M. Ryan
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Patent number: 5516455Abstract: A polymer dispersed liquid crystal composite prepared from: (1) at least one multifunctional electron-rich alkene that does not undergo appreciable homopolymerization and is selected from the group consisting of (a) vinyl ethers and vinyl sulfides; (b) keteneacetals, ketenethioacetals and methylene oxathiolanes, wherein the carbon of the carbon-carbon double bond not bearing the electron donating group has bonded to it H or a combination of H and a C1 to C.sub.6 alkyl, preferably a methyl group; (c) ortho or para vinyl phenyl ethers or thioethers (also known as styryloxy or styrylthio ether monomers); or (d) bicylic alkenes which have, as a result of their stereoelectronic configuration, unequal .pi.-electron density above and below the plane of the carbon-carbon double bond axis; (2) a multifunctional thiol; (3) a photoinitiator; and (4) liquid crystal material.Type: GrantFiled: February 17, 1995Date of Patent: May 14, 1996Assignee: Loctite CorporationInventors: Anthony F. Jacobine, John G. Woods, Margaret A. Rakas
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Patent number: 5486559Abstract: The invention relates to an optically non-linear active waveguiding material comprising an optically transparent polymer and a donor group and acceptor group-containing triphenylcarbinol as a dopant. Said dopants have a high hyperpolarizability and have a charge-transfer absorption band which is about the same as that of their corresponding compounds having only one donor-.pi.-acceptor unit. The triphenylcarbinols were found to display good solubility in polymers. Nitro-functionalized triphenylcarbinols are preferred because of their charge-transfer absorption band at a low wavelength (.lambda..sub.max at about 290 nm). Aldehyde-functionalized calix(4)arenes were also found to have this low wavelength charge-transfer absorption band (.lambda..sub.max at about 270 nm). Triphenyls comprising stilbene donor-.pi.-acceptor units are preferred because of their high hyperpolarizability.Type: GrantFiled: August 11, 1994Date of Patent: January 23, 1996Assignee: Akzo Nobel NVInventors: Johannes F. J. Engbersen, Erik Kelderman, David N. Reinhoudt, Willem Verboom
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Patent number: 5389711Abstract: The present invention provides an aromatic acid, a salt of an aromatic acid, anhydride of an aromatic acid, or mixtures thereof in which at least 50 percent of the carbon atoms are in aromatic rings and which have a melting point above about 100.degree. C. as a plasticizer for polyvinyl aromatic polymers which are functionalized by grafting salt functional groups onto the polyvinyl aromatic blocks. When such a polymer is plasticized with the aromatic acid, salt of an aromatic acid or anhydride of an aromatic acid of this invention, the polymer retains excellent high temperature physical properties.Type: GrantFiled: February 14, 1990Date of Patent: February 14, 1995Assignee: Shell Oil CompanyInventors: Paul A. Westbrook, Leonard E. Gerlowski
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Patent number: 5324762Abstract: The subject of this invention is acrylic polymer plastisol compositions, wherein the acrylic polymer component of the plastisol composition is a single-stage methyl methacrylate copolymer derived from methyl methacrylate and a comonomer component comprising isobutyl methacrylate and optionally other comonomer(s). The selection of isobutyl methacrylate as a comonomer with the methyl methacrylate results in good compatibility with a wide range of plasticizers and without undue softness in the resulting plastisol.Type: GrantFiled: October 22, 1992Date of Patent: June 28, 1994Assignee: Imperial Chemical Industries PLCInventors: Andrew S. Overend, John C. Padget
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Patent number: 5269963Abstract: A liquid-crystalline polymer composition comprising a ferroelectric liquid-crystalline polymer and a low molecular weight liquid-crystalline compound which exhibits smectic C phase or chiral smectic C phase. Such liquid-crystalline polymer compositions have not only excellent moldabilities such as ease of orientation, but also exhibit chiral smectic C phase at wide temperature range within room temperatures and exhibit high speed response to changes of external fields and high contrast ratios when they are used for optical display elements.Type: GrantFiled: March 18, 1993Date of Patent: December 14, 1993Assignee: Idemitsu Kosan Co., Ltd.Inventors: Shunji Uchida, Kazuharu Morita, Kenji Hashimoto
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Patent number: 5256717Abstract: Hot melt adhesives having suitable open time and crystallinity properties making them especially useful as temporary adhesives are provided by a composition comprising a combination of 5 to 50% by weight of an isotactic thermoplastic polybutylene copolymer or a low density ethylene polymer with 3 to 65% by weight of a solid benzoate plasticizer.Type: GrantFiled: December 19, 1990Date of Patent: October 26, 1993Assignee: National Starch and Chemical Investment Holding CorporationInventors: Daniel Stauffer, Paul Puletti
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Patent number: 5240985Abstract: A method is disclosed for increasing the surface energy of a surface of an organic polymeric material, particularly polyolefins. The method is comprised of blending from about 99.5% to about 90.0% by weight of the polymeric material with from about 0.5% to about 10.0% by weight of an amphiphile having the formula:RA(CHR.sup.2 [CH.sub.2 ].sub.n A.sup.1).sub.m R.sup.1R and R.sup.1 are selected from the group consisting of the alkyl, aryl, alkylaryl, acyl and arylacyl derivatives of an aliphatic or aliphatic/aromatic mono-acid with a molecular weight of from about 150 to about 500 daltons, A and A.sup.1 are polar atoms or groups, R.sup.2 is selected from the group consisting of H, CH.sub.3 and C.sub.2 H.sub.5, n is from 0 to 3 and m is from 2 to 20.Type: GrantFiled: February 3, 1992Date of Patent: August 31, 1993Assignee: Arizona Chemical CompanyInventor: Eric S. Gardiner
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Patent number: 5151458Abstract: This invention relates to new highly fluid polyarylene sulphide-(PAS)-moulding compounds, preferably polyphenylene sulphide-(PPS)-moulding compounds containing low molecular weight, liquid crystalline ester(amide)s.Type: GrantFiled: April 27, 1990Date of Patent: September 29, 1992Assignee: Bayer AktiengesellschaftInventors: Hans-Detlef Heinz, Harald Pielartzik, Klaus Reinking, Rolf-Volker Meyer, Siegfried Korte
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Patent number: 5143956Abstract: The invention relates to free-flowing polyamide molding compounds which are characterized by a content of new liquid-crystalline compounds corresponding to general formulae (I) and/or (II) and to the new liquid-crystalline compounds corresponding to general formulae (I) and/or (II).Type: GrantFiled: February 19, 1991Date of Patent: September 1, 1992Assignee: Bayer AktiengesellschaftInventors: Harald Pielartzik, Hans-Detlef Heinz, Rolf Dhein, Aziz E. Sayed
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Patent number: 5120778Abstract: A thermoplastic molding composition is disclosed which contains a homogeneous blend of a polycarbonate resin, a graft-modified olefin rubber and, a particular flame retardant package containing a salt, halogenated phthalimine, polytetrafluoroethylene and an oligomeric carbonate. The composition was found to be suitable for preparing molded articles having an excellent level of flame resistance and impact properties.Type: GrantFiled: April 30, 1991Date of Patent: June 9, 1992Assignee: Miles Inc.Inventors: Ronald L. Price, Charles E. Lundy, Sivaram Krishnan
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Patent number: 5102935Abstract: The invention relates to new, free-flowing polyamide molding compounds and blends, characterized in that they are prepared by mixing of polyamides known per se in the melt with low molecular weight, liquid-crystalline esters and/or ester amides corresponding to formula (I) and/or liquid-crystalline, oligomeric esters and/or ester amides corresponding to formula (II) and, optionally, other additives, at least one polymeric blending component being used as a further additive in the case of polyamide blends, and to the use of these liquid-crystalline (LC) additives I and/or II as flow promoters in polyamide molding compounds and blends and to a process for the production of the new polyamide molding compounds and blends. The invention also relates to the new oligomeric esters and/or ester amides corresponding to formula (II).Type: GrantFiled: September 5, 1989Date of Patent: April 7, 1992Assignee: Bayer AktiengesellschaftInventors: Hans-Detlef Heinz, Harald Pielartzik, Aziz El-Sayed, Rolf-Volker Meyer, Martin Wandel, Peter-Roger Nyssen
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Patent number: 5095060Abstract: Blend compositions comprise a polyphenylene ether resin, a polyetherimide siloxane copolymer and pentaerythritol tetrabenzoate. The polyetherimide siloxane copolymer is preferably included in an amount sufficient to provide the compositions with improved flame retardant properties while the pentaerythritol tetrabenzoate is preferably included in an amount sufficient to lower the melt viscosity of the blend compositions. The compositions may further include an impact-modifying rubber compound, preferably a block copolymer of a vinyl aromatic hydrocarbon and an alkene or post-hydrogenated diene hydrocarbon.Type: GrantFiled: December 19, 1990Date of Patent: March 10, 1992Assignee: General Electric CompanyInventor: William R. Haaf
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Patent number: 5091454Abstract: An adhesive composition comprising a polymer, a tackifier, a wax and a plasticizing amount in the range of 5-40% by weight of 1,4-cyclohexane dimethanol dibenzoate.Type: GrantFiled: March 12, 1991Date of Patent: February 25, 1992Assignee: Velsicol Chemical CorporationInventor: William D. Arendt
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Patent number: 5063256Abstract: A deodorizing resin composition is composed of 99.9-50 parts by weight of a thermoplastic resin and 0.1-50 parts by weight of a deodorizing ingredient. The deodorizing ingredient is a white or substantially colorless deodorizing agent, which may preferably be composed of 10-90 parts by weight of a zinc compound and 90-10 parts by weight of an aliphatic polycarboxylic acid or a salt thereof, an aromatic polycarboxylic acid or a salt thereof, an acidic polymer or a salt thereof, or a sulfate of aluminum. A formed deodorizing article can be obtained by forming or molding the deodorizing resin composition into a desired shape. Formed articles of the deodorizing resin composition of this invention can have desired beautiful colors and are adapted to absorb offensive odors.Type: GrantFiled: September 12, 1989Date of Patent: November 5, 1991Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Akira Hoshino, Mikio Saji, Isamu Yamaguchi
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Patent number: 5039728Abstract: Mono- and di-esters of 2,2,4-trimethyl-1,3-pentanediol and benzoic acids are useful plasticizers for vinyl chloride polymers, and other polymers, particularly for imparting improved stain resistance to plasticized compositions. Novel processes for preparing the esters are disclosed.Type: GrantFiled: May 11, 1990Date of Patent: August 13, 1991Assignee: Huls America Inc.Inventor: Eugene P. DiBella
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Patent number: 5026756Abstract: An adhesive composition comprising a polymer, a tackifier, and a plasticizing amount in the range of 5-40% by weight, 1,4-cyclohexane dimethanol dibenzoate.Type: GrantFiled: August 3, 1988Date of Patent: June 25, 1991Assignee: Velsicol Chemical CorporationInventor: William D. Arendt
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Patent number: 5006585Abstract: Mono- and di-esters of 2,2,4-trimethyl-1,3-pentanediol and benzoic acids are useful plasticizers for vinyl chloride polymers, and other polymers, particularly for imparting improved stain resistance to plasticized compositions. Novel processes for preparing the esters are disclosed.Type: GrantFiled: September 5, 1989Date of Patent: April 9, 1991Assignee: Huls America Inc.Inventor: Eugene P. DiBella
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Patent number: 4981894Abstract: Melt processable halogen-free low smoke wire coating compositions are provided which utilize a polyimide-siloxane, an effective amount of a plasticizer and hydrated zinc borate. The melt processable halogen-free low smoke blends can satisfy the low smoke requirements for plenum wire as shown by an Ohio State University test value of total smoke after 5 minutes of less than 100.Type: GrantFiled: July 27, 1989Date of Patent: January 1, 1991Assignee: General Electric CompanyInventors: Susan A. Nye, Sandra A. Swint
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Patent number: 4973620Abstract: A composition and method for treating fibers is based on a mixture of an organopolysiloxane having at least one amino-substituted hydrocarbon radical directly bonded to a silicon atom and a carboxylic acid containing at least one ethylene oxide unit. The carboxylic acid reacts with the amino radicals to reduce yellowing and oxidation of the fiber treatment. The composition and method provide non-yellowing fibers and a treatment agent that does not gel during use, such as when exposed to carbon dioxide and/or used to treat carbon fibers.Type: GrantFiled: May 26, 1989Date of Patent: November 27, 1990Assignee: Toray Silicone Company, Ltd.Inventors: Isao Ona, Masaru Ozaki, Hidetoshi Kurusu
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Patent number: 4948670Abstract: A vinyl chloride resin composition for coating electric wires, which comprises 100 parts by weight of a vinyl chloride resin and from 10 to 200 parts by weight of an alkyl biphenyltetracarboxylate.Type: GrantFiled: March 31, 1989Date of Patent: August 14, 1990Assignee: Mitsubishi Kasei Vinyl CompanyInventors: Seiichi Morimoto, Kazuyuki Shiji, Hisahiro Kusu
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Patent number: 4942194Abstract: The invention relates to highly crystalline, rapid-crystallizing, thermoplastic compositions of polyphenylene sulphides and carboxylic acid esters.Type: GrantFiled: February 26, 1987Date of Patent: July 17, 1990Assignee: Bayer AktiengesellschaftInventors: Peter Bier, Klaus Reinking, Ludwig Bottenbruch, Erhard Tresper
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Patent number: 4931360Abstract: A deodorizing coating formulation is composed of a white or substantially colorless deodorizing agent, a binder resin and a liquid medium. The deodorizing agent may preferably be composed of 10-90 parts by weight of a zinc compound and 90-10 parts by weight of an aliphatic polycarboxylic acid, aromatic polycarboxylic acid, acidic polymer or a sulfate of aluminum, or a salt thereof. A deodorizing sheet can be obtained by coating and/or impregnating a base sheet with the deodorizing coating formulation and then drying the resulting base sheet. The deodorizing sheet can shield a flavor or odor from external flavors or odors while maintaining air permeability, it is suitable for wrapping foods having strong flavors or odors.Type: GrantFiled: November 23, 1988Date of Patent: June 5, 1990Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Akira Hoshino, Mikio Saji, Shigeaki Fujii
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Patent number: 4921890Abstract: A process for improving the flame retardancy, hygroscopic, soil release and other properties of a polymer substrate is provided in which the substrate is contacted with a suitable aqueous mixture containing a water-soluble monomer and an organic halogen-containing hydrophobic carrier compound at a temperature of between about 40.degree. C. to 100.degree. C. Polymerization of the monomer is thereafter initiated by a chemical or physical initiator to form a polymer evenly disposed on the substrate. The flame retardancy, hygroscopic, soil release and other surface properties of the substrate are thereby improved. The mixture may be in the form of an emulsion wherein the hydrophobic carrier compound is emulsified by an appropriate agent. The invention also pertains to the improved substrates prepared in accordance with the present process.Type: GrantFiled: April 24, 1987Date of Patent: May 1, 1990Assignee: Intera Company, Ltd.Inventors: Katsumi Hayashi, Gregory A. Lentz
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Patent number: 4863987Abstract: A deodorizing coating formulation is composed of a white or substantially colorless deodorizing agent, a binder resin and a liquid medium. The deodorizing agent may preferably be composed of 10-90 parts by weight of a zinc compound and 90-10 parts by weight of an aliphatic polycarboxylic acid, aromatic polycarboxylic acid, acidic polymer or a sulfate of aluminum, or a salt thereof. A deodorizing sheet can be obtained by coating and/or impregnating a base sheet with the deodorizing coating formulation and then drying the resulting base sheet. The deodorizing sheet can shield a flavor or odor from external flavors or odors while maintaining air permeability, it is suitable for wrapping foods having strong flavors or odors.Type: GrantFiled: November 10, 1986Date of Patent: September 5, 1989Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Akira Hoshino, Mikio Saji, Shigeaki Fujii
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Patent number: 4783496Abstract: Shaped bodies of plastic material have a high elasticity and high adhesive characteristics if they contain, referred to the percentage of the plastic material of said shaped bodies, a higher percentage of a benzophenonetetracarboxylic acid tetraester. In said benzophenone-tetracartoxylate the ester forming alcohol component is an alkanol, alkenol or alkynol having 4-24 carbon atoms. The shaped bodies can be adhered to a substrate by pressing them onto it. The inventive shaped bodies are preferably strands, fibers, filaments or foils, for example foils for the packaging of products. Preferred shaped bodies are ion sensitive membranes for the determination of the concentration of ions and said membranes contain furthermore an ion selective component for the ion to be determined.Solutions of the inventive shaped bodies in a volatile organic solvent can be applied to a substrated and after the solvent is evaporated there remains on the substrate a firmly adherent elastic film.Type: GrantFiled: October 2, 1986Date of Patent: November 8, 1988Assignee: Willi MollerInventors: Wilhelm Simon, Urs Oesch
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Patent number: 4767813Abstract: High solids aqueous based pressure sensitive adhesives may be prepared by directly emulsifying the tackifier resin into a polymeric latex provided the tackifier is heated, plasticized and emulsified and mixed with the latex on a high shear mixer. This gives an adhesive which is faster drying and gives comparable properties to lower solids adhesives.Type: GrantFiled: March 23, 1987Date of Patent: August 30, 1988Assignee: Polysar Financial Services S.A.Inventor: William T. Evitt
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Patent number: 4650836Abstract: A method for rending melt processable a liquid crystal polymer otherwise not readily processable as a result of an interfering degradation temperature or an elevated viscosity. In the method the liquid crystal polymer is blended with a second, low molecular weight liquid crystal diester to form a miscible mesophase which is typified by a reduced viscosity and or at a lower temperature may be formed into a desired configuration. The low molecular weight liquid crystal may be then transesterified into the polyester to produce a long chain having desirable final liquid crystal polymer properties.Type: GrantFiled: April 4, 1985Date of Patent: March 17, 1987Inventors: Eric R. George, Roger S. Porter
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Patent number: 4525521Abstract: A coating composition which cures at ambient temperatures of 20-80% by weight of a binder and 80-20% by weight of a solvent for the binder, the binder contains about:A. 60-80% by weight, based on the weight of the binder, of an acrylic polymer of polymerized monomers of methyl methacrylate and an alkyl methacrylate, an alkyl acrylate or mixtures thereof, each having 2-12 carbon atoms in the alkyl group and the polymer has pendent amino ester or hydroxy amino ester groups;B. 20-40% by weight, based on the weight of the binder, of a glycidyl acrylic crosslinking polymer of polymerized monomers of glycidyl methacrylate or glycidyl acrylate and an alkyl methacrylate, alkyl acrylate or mixtures thereof, each having 2-12 carbon atoms in the alkyl group.The composition is useful as an exterior finish for automobiles and trucks and for repairing finishes of automobiles and trucks.Type: GrantFiled: July 27, 1984Date of Patent: June 25, 1985Assignee: E. I. Du Pont de Nemours and CompanyInventors: Herman C. DenHartog, Aloysius N. Walus
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Patent number: 4525234Abstract: This invention is directed to a process for preparing an adhesive, pre-gelled plastisol composition which comprises the steps of(a) mixing polyvinyl acetate or copolymers of vinyl acetate with one or more comonomers selected from the group consisting of vinyl alcohol C.sub.3 -C.sub.18 -carboxylic acid esters, ethylene, propylene, butylene, and vinyl chloride with conventional non-gelled plastisol mixtures based upon (i) polyvinyl chloride and/or polymethyl methacrylate and (ii) one or more suitable plasticizers in a ratio of from about 10 to 200 parts by weight of polyvinyl chloride or copolymers of vinyl acetate to 100 parts by weight of polyvinyl chloride and/or polymethyl methacrylate,(b) heating the mixture from step (a) to a temperature of from about 80.degree. to 130.degree. C.The resulting composition is useful in joining, sealing, or stiffening automobile body components.Type: GrantFiled: August 21, 1984Date of Patent: June 25, 1985Assignee: Henkel Kommanditgesellschaft (KGaA)Inventors: Julius Herold, Ingeborg Geisen
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Patent number: 4503180Abstract: Polycarbonate resins can be stabilized against the adverse influence of UV light by incorporating an effective amount of a methyl benzoate ester stabilizer by means of a coating on the surface of the resin.Type: GrantFiled: June 10, 1982Date of Patent: March 5, 1985Assignee: General Electric CompanyInventor: Ta-Yen Ching
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Patent number: 4492782Abstract: A moulding composition is based on polyethylene terephthalate (PET) and contains as additives polycaprolactone with a number average molecular weight greater than 10,000 and a nucleant for crystallization of the PET.The composition can also contain a reinforcing fibre, such as glass, and a plasticizing additive, which may be, for example, a lower molecular weight polycaprolactone, or a plasticizer such as dibenzyl adipate.Type: GrantFiled: July 26, 1983Date of Patent: January 8, 1985Assignee: BIP Chemicals LimitedInventors: Richard S. Williams, Terry Daniels
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Patent number: 4483955Abstract: Polyethylene terephthalate resin compositions are provided containing fillers; reinforcing agents; or blends of such fillers and agents; alkali metal silicates, carbonates, or bicarbonates; and neopentylglycol dibenzoate.Articles molded from these compositions have high gloss surfaces and heat deflection temperatures when molded at temperatures below 110.degree. C. even without a precompounding drying stage.Surprisingly, the inclusion of neopentylglycol dibenzoate allows the concentration of alkali metal silicate, carbonate, or bicarbonate to be substantially reduced while retaining the high gloss surfaces seen when alkali metal silicates, carbonates, or bicarbonates are used alone at much higher concentrations.Type: GrantFiled: February 3, 1982Date of Patent: November 20, 1984Assignee: Celanese CorporationInventors: John Christiansen, Shau-Zou Lu
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Patent number: 4477617Abstract: Blends of hydrocarbon polyolefin, reinforcing fiber, acid copolymer of .alpha.-olefin and .alpha.,.beta.-ethylenically unsaturated carboxylic acid and wetting agent are provided wherein the acid copolymer has from 0 to about 90 percent of the acid groups ionized by neutralization with metal ions. Such blends have excellent Izod impact values and fast molding cycles and as such are particularly suitable as molding resins.Type: GrantFiled: July 21, 1982Date of Patent: October 16, 1984Assignee: E. I. DuPont de Nemours and CompanyInventor: Charles V. Murphy
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Patent number: 4444933Abstract: A cyanoacrylate-based adhesive composition comprises 55-92% by weight of a 2-cyanoacrylate ester, preferably the ethyl ester, from 40-30% by weight of a vinyl chloride/vinyl acetate copolymer and not more than 25% by weight of a plasticizer (the plasticizer may be omitted entirely). The copolymer is preferably a vinyl chloride/vinyl acetate/maleic acid terpolymer. The adhesive compositions have greatly reduced adhesion to skin, not forming strong skin bonds for at least 30 seconds, in contrast to conventional cyanoacrylate adhesive compositions which form, within in about one second bonds strong enough to tear skin.Type: GrantFiled: December 2, 1982Date of Patent: April 24, 1984Assignee: Borden, Inc.Inventors: Peter S. Columbus, John Anderson
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Patent number: 4431760Abstract: It has been found that the addition of small amounts of a benzoate or acetate ester of a polyfunctional hydroxy-containing compound to a maleic anhydride-containing resin greatly increases the flowability and processibility of these resins.Type: GrantFiled: March 11, 1982Date of Patent: February 14, 1984Assignee: Standard Oil CompanyInventors: Brandford E. Giddings, Richard J. Jorkasky, II
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Patent number: 4425457Abstract: Polyethylene terephthalate resin compositions are provided containing fillers; reinforcing agents; or blends of such fillers and agents and selected alkali metal salts having anions which are oxides of Group IV of the periodic table preferably carbonates and bicarbonates.Articles molded from these compositions have high gloss surfaces and heat deflection temperatures when molded at temperatures below 110.degree. C. even without a precompounding drying stage.Type: GrantFiled: September 28, 1981Date of Patent: January 10, 1984Assignee: Celanese CorporationInventors: John Christiansen, Shau-zou Lu
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Patent number: 4423093Abstract: A method of applying a coating of polyarylene sulphide to a bearing in which an initmate mixture of a polyarylene sulphide with an aryl ester of an aryl alcohol is applied to a bearing blank and subsequently heated to evaporate the ester and cure the coating. The mixture can be a dry powder mixture, a wet powder mixture, a paste, a suspension, a liquid solution or a solid solution. The preferred mixture comprises polyphenylene sulphide and benzyl benzoate.Type: GrantFiled: March 3, 1982Date of Patent: December 27, 1983Assignee: The Glacier Metal Company LimitedInventor: Glyndwr J. Davies
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Patent number: RE31874Abstract: Propagation of electrical trees and water trees in electrical insulation made of ethylene homopolymers or copolymers with an unsaturated monomer is inhibited by the addition to the insulating composition of an organic carboxylic ester having at least one aromatic ring and at least three carboxylic ester groups, the ester being liquid at the operating temperature of the electrical equipment in which the insulation is used. The main utility of the inhibitors of this invention is in the primary insulation for power transmission cables, especially those used in high voltage applications.Type: GrantFiled: November 2, 1983Date of Patent: April 30, 1985Assignee: E. I. Du Pont de Nemours and CompanyInventors: John K. Beasley, Edward J. Urban