From Phenol Reactant Patents (Class 524/611)
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Patent number: 5159008Abstract: A thermoplastic resin composition comprising:30 to 60 parts by weight of a polyphenylene ether which is a mixture of a high viscosity polyphenylene ether (A) with an inherent viscosity (.eta.A) of 0.4 dl/g to 1.0 dl/g and a low viscosity polyphenylene ether (B) with an inherent viscosity (.eta.B) of 0.25 dl/g to less than 0.4 dl/g at a weight ratio of (A)/(B) of 10/90 to 90/10 based on 100 parts by weight of the total of (A), (B) and (C),40 to 70 parts by weight of a polyamide (C) with a relative viscosity (.eta.) of 1.0 to 8.0 based on 100 parts by weight of the total of (A), (B) and (C),0.Type: GrantFiled: April 26, 1991Date of Patent: October 27, 1992Assignee: Mitsubishi Petrochemical Co., Ltd.Inventors: Koji Nishida, Yoshihiro Kurasawa, Suetsugu Kakiichi, Shohji Yoshino
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Patent number: 5147922Abstract: A resin composition comprising (A) a polycyanoarylether consisting essentially of the repeating unit represented by the following general formula (I) ##STR1## and having a reduced viscosity of at least 0.6 dl/g as measured at 60.degree. C. in p-chlorophenol at a concentration of 0.2 g/dl and (B) a carbonized phenolic resin is suitable for sliding parts of electric and electronic instruments and machines because it exhibits excellent abrasion resistance and reduces the damage to counterparts. The sliding characteristics of the resin composition is further increased by addition of a non-fibrous solid lubricant.Type: GrantFiled: August 22, 1990Date of Patent: September 15, 1992Assignee: Idemitsu Kosan Co., Ltd.Inventor: Tomoyoshi Murakami
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Patent number: 5145904Abstract: Filler-containing thermoplastic molding materials contain, as essential components,A) from 10 to 84.8% by weight of a thermoplastic polyamide,B) from 10 to 84.8% by weight of a modified polyphenylene ether,C) from 5 to 50% by weight of glass fibers or carbon fibers or a mixture thereof, having a median fiber length 1.sub.50 of from 150 to 400 .mu.m, andD) from 0.2 to 4% by weight of a pigmentand in additionE) from 0 to 4% by weight of a rubber impact modifier,F) from 0 to 20% by weight of a particulate filler which differs from D) andG) from 0 to 20% by weight of a flameproofing agent.Type: GrantFiled: June 21, 1990Date of Patent: September 8, 1992Assignee: BASF AktiengesellschaftInventors: Klaus Muehlbach, Peter Steiert, Klaus Benker
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Patent number: 5128401Abstract: A polymeric molding compositon based on aliphatic polyamides contains as additives polyarylene sulfides and polyphenolic compounds free from tertiary alkyl group ortho to the phenolic-OH groups is useful in producing molded articles such as films, fibers and shaped objects.Type: GrantFiled: January 18, 1991Date of Patent: July 7, 1992Assignee: Bayer AktiengesellschaftInventors: Hans-Detlef Heinz, Aziz El-Sayed, Werner Kloker, Ralf Dujardin
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Patent number: 5124432Abstract: The invention is a process for making novel branched polybenzazole polymers and the polymers formed thereby. Novel compounds are also disclosed that are useful as branching agents in making the branched polybenzazole polymers. The branched polymers synthesized by the process can be formed into strong, light articles such as fibers and films.Type: GrantFiled: August 31, 1989Date of Patent: June 23, 1992Assignee: The Dow Chemical CompanyInventors: Norman L. Madison, William J. Harris
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Patent number: 5122556Abstract: A polycarbonate-di(alkaryl) p-phenylene diphosphate plasticizer matrix has a tensile strength and elastic modulus higher than neat polycarbonate. By blending an impact modifier with the matrix, resin blends having a wide variety of impact and tensile properties are prepared. The matrix can be used for thin wall instrument housings which can be injection molded to close tolerance. The di(alkaryl) p-phenylene diphosphate has the formula ##STR1## wherein each Ak.sup.1 is independently hydrogen or a methyl radical and each Ak.sup.2 is independently a monovalent hydrocarbon radical having from one to four carbon atoms.Type: GrantFiled: April 23, 1990Date of Patent: June 16, 1992Assignee: General Electric CompanyInventor: Roger P. Kambour
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Patent number: 5120779Abstract: A new class of antiozonant compounds, namely tris(N-alkyl-p-phenylenediamino)-1,3,5-triazine compounds, are incorporated into thermosetting compositions having at least one highly unsaturated rubbery polymer and at least one other elastomer having lesser unsaturation, such as EPDM. Thermosetting compositions are most useful as tire sidewall compositions which may be preferably cured with blends of organic peroxide and sulfur donor accelerators.Type: GrantFiled: August 3, 1990Date of Patent: June 9, 1992Assignee: Uniroyal Chemical Company, Inc.Inventors: Robert J. Cornell, Edward L. Wheeler, Russell A. Mazzeo, Sung W. Hong
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Patent number: 5098949Abstract: Disclosed is a novel curing system which is not associated with decomposition or production of low molecular materials. The curing system employs an aqueous composition which comprises (a) a compound having in one molecule at least two carbonylcyclic urea groups represented by the following formula (1) ##STR1## [wherein n is an integer of 0 to 5, X which may be the same or different and represents oxygen atom, a sulfur atom or --NR.sub.1 -- in which R.sub.1 is a hydrogen atom, an alkyl, hydroxyalkyl or alkylene group having 1 to 5 carbon atoms.] and (b) a basic resin which has a functional group reactive with an isocyanate group and is water soluble or water dispersible by neutralizing.Type: GrantFiled: December 29, 1989Date of Patent: March 24, 1992Assignee: Nippon Paint Co., Ltd.Inventors: Hiroyuki Sakamoto, Kenshiro Tobinaga, Noriyuki Tsuboniwa, Satoshi Urano, Yasuyuki Tsuchiya, Hirotoshi Umemoto
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Patent number: 5087692Abstract: Cyclic polycarbonate oligomers are converted to linear polycarbonates by the catalytic action of a monobasic metal salicylate. The polymerization reaction takes place only at relatively high temperatures, typically above about 220.degree. C., and rapidly only at temperatures above about 250.degree. C., and is therefore particularly useful in such operations as resin transfer molding. The catalyst may be coated on a fibrous reinforcing material used for composite formation.Type: GrantFiled: June 7, 1990Date of Patent: February 11, 1992Assignee: General Electric CompanyInventors: Kevin R. Stewart, Andrew J. Salem
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Patent number: 5087660Abstract: A process for treating a mixture of a polymer and a chlorinated organic solvent under heating, characterized by employing an apparatus in which a portion thereof to be brought into contact with the heated mixture is made of an acid resistant inorganic material selected from a group consisting of a metallic composition containing at least 85% of copper, nickel or a mixture thereof, and a ceramic material. Deterioration in color is improved in a process for recovering a polymer dissolved in the chlorinated organic solvent.Type: GrantFiled: February 27, 1990Date of Patent: February 11, 1992Assignee: Idemitsu Petrochemical Co., Ltd.Inventor: Noriyuki Kunishi
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Patent number: 5074915Abstract: Printing inks comprising an oxidation polymerization type resin, at least a part of which sets to gel in a non-polar ink solvent, a color agent, and an ink solvent, at least a part of which being a non-volatile polar solvent. When the printing ink is applied onto an absorbent printing object, the non-volatile polar solvent is easily absorbed by the printing object to gel the oxidation polymerization type resin, thereby to allow the ink to dry quickly, whereas the ink on non-absorbent printing members of a printing machine does not dry easily.Type: GrantFiled: January 11, 1990Date of Patent: December 24, 1991Assignee: Taniguchi Ink Manufacturing Co., Ltd.Inventors: Yoshioki Yoshioka, Kiyoe Hoshino, Shigeru Nakamura
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Patent number: 5055508Abstract: The present invention relates to a polycarbonate resin composition comprising:100 parts by weight of a polycarbonate resin;(A) 00.5 to 1 part by weight of an ester of saturated fatty acid having 10 to 30 carbon atoms and monohydric or polyhydric alcohol having 2 to 30 carbon atoms;(B) 0.05 to 1 part by weight of paraffin wax, and(C) 0 to 0.001 part by weight as a phosphorus atom of at least one phosphorus compound selected from the group consisting of phosphorus acid and phosphorous acid esters, wherein the total amount of the components (A) and (B) is 0.1 to 1 part by weight.The present invention further relates to a polycarbonate resin composition comprising:100 parts by weight of a polycarbonate resin;(D) 0.05 to 1 part by weight of .beta.-long side chain alcohol/behenic acid ester or long chain aliphatic alcohol; and(E) 0 to 0.001 part by weight as a phosphorus atom of at least one phosphorus compound selected from the group consisting of phosphorous acid and phosphorus acid esters.Type: GrantFiled: March 9, 1989Date of Patent: October 8, 1991Assignee: Idemitsu Petrochemical Co., Ltd.Inventor: Kazunari Ohtsubo
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Patent number: 5045586Abstract: The present invention is directed to branched polyesters derived from the reaction product of hydroxy stearic acid or hydroxy stearic alkoxylate, a guerbet alochol or guerbet alcohol alkoxylate, which product is further reacted with a polycarboxylic acid to provide the required branching in the polyester structure. The invention is also directed to the preparation, compositions and application of said internal plastic lubricants, particularly suited for use in forming of polycarbonate thermoplastics.Type: GrantFiled: May 1, 1989Date of Patent: September 3, 1991Inventor: Anthony J. O'Lenick, Jr.
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Patent number: 5037937Abstract: Novel polycarbonate resins, a process for production of said polycarbonate resins, and compositions containing said polycarbonate resins and glass fibers as major components are disclosed. The polycarbonate resins have: (1) a repeating unit (I) represented by the general formula (A): ##STR1## and a repeating unit (II) represented by the general formula ##STR2## (all the symbols are as defined in the appended claims); (2) a pentahalogenophenoxy group as the end group thereof; and (3) a viscosity average molecular weight of at least 5,000. The polycarbonate resins are excellent in all of flame retardance, fluidity, impact resistance and transparency. Thus the polycarbonate resins and compositions containing them are useful for production of, e.g., moldings for which all the above characteristics are required.Type: GrantFiled: January 6, 1989Date of Patent: August 6, 1991Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Takashi Komatsu, Masaya Okamoto
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Patent number: 5030685Abstract: A process for producing a condensed resin dispersion, which comprises subjecting an aldehyde and a compound condensable with the aldehyde, or their precondensate, to a condensation reaction in a dispersion medium consisting essentially of water and/or an organic solvent, to precipitate fine condensed resin particles which hardly settle in said dispersion medium, and then replacing the water and/or the organic solvent by an active hydrogen-containing compound having at least two active hydrogen-containing groups reactive with isocyanate groups.Type: GrantFiled: September 28, 1989Date of Patent: July 9, 1991Assignee: Asahi Glass Company, Ltd.Inventors: Takao Doi, Noriko Itaya, Masami Yamashita, Nobuaki Kunii
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Patent number: 5028640Abstract: An aromatic polycarbonate resin composition for molding, comprising (a) an aromatic polycarbonate resin, (a) carbon fibers sized with an aromatic polycarbonate resin, and (c) an organic compound having at least two oxazoline rings per molecule is dislosed. The composition has excellent extrusion workability, mold deposit-preventing property and mechanical strength, and can be used as a molding material in the field of precision machines such as cameras, VTR's and facsimiles.Type: GrantFiled: November 28, 1989Date of Patent: July 2, 1991Assignee: Mitsubishi Gas Chemical Co. Inc.Inventors: Goro Shimaoka, Kenji Kouno
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Patent number: 5026758Abstract: Thermoplastic molding compositions of polycarbonate, polyalkylene terephthalate, special barium sulfate and, optionally, elastomers are distinguished from known molding compositions of polycarbonate, polyalkylene terephthalate and elastomers by improved heat resistance and toughness.Type: GrantFiled: September 4, 1990Date of Patent: June 25, 1991Assignee: Bayer AktiengesellschaftInventors: Ulrich Grigo, Jurgen Kirsch, Dieter Wittmann, Karsten-Josef Idel, Peter Horlacher
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Patent number: 5025065Abstract: Fire-retardant polycarbonates, polyester carbonates and polyesters based on dihydroxydiphenyl cycloalkanes ##STR1## in which R.sup.1 and R.sup.2 independently of one another represent hydrogen, halogen, preferably chlorine or bromine, C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.6 cycloalkyl, C.sub.6 -C.sub.10 aryl, preferably phenyl and C.sub.7 -C.sub.12 aralkyl, preferably phenyl-C.sub.1 -C.sub.4 -alkyl, more especially benzyl,m is an integer of 4 to 7, preferably 4 or 5, R.sup.3 and R.sup.4 may be individually selected for each X and, independently of one another, represent hydrogen or C.sub.1 -C.sub.6 alkyl andX is carbon,with the proviso that, at at least one atom X, R.sup.3 and R.sup.4 are both alkyl,the fire-retardant finish being provided by additives and/or comonomers.Type: GrantFiled: April 4, 1990Date of Patent: June 18, 1991Assignee: Bayer AktiengesellschaftInventors: Peter Tacke, Ulrich Grigo, Werner Nouvertne, Dieter Freitag, Karsten-Josef Idel, Uwe Westeppe
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Patent number: 5021539Abstract: Modified benzylic ether resole resins and process for their preparation. The resins are prepared by treating a phenol with a molar excess of aldehyde in the presence of a divalent metal ion catalyst at a pH below 7 followed by further reaction at a pH above 8 in the presence of an alkaline catalyst. Alkaline solutions of the resins are used as foundry binders in an ester cure process.Type: GrantFiled: March 24, 1989Date of Patent: June 4, 1991Assignee: Acme Resin CorporationInventors: David R. Armbruster, Merlyn C. Pasion
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Patent number: 5010162Abstract: Thermoplastic aromatic polycarbonates having average molecular weights Mw of at least 10,000 which contain bifunctional carbonate structural units corresponding to formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another represent hydrogen, a C.sub.1 -C.sub.12 hydrocarbon radical, halogen andR.sup.5, R.sup.6 and R.sup.7 represent hydrogen, iso-C.sub.3 -C.sub.5 -alkyl,one of the substituents R.sup.5, R.sup.6 or R.sup.7 not being hydrogen, in quantities of from 100 to 1 mol-%, based on the total quantity of difunctional carbonate structural units in the polycarbonate.Type: GrantFiled: December 19, 1989Date of Patent: April 23, 1991Assignee: Bayer AktiengesellschaftInventors: Volker Serini, Dieter Freitag, Uwe Westeppe, Karsten Idel, Ulrich Grigo, Carl Casser, Klaus-Christian Paetz, Manfred Hajek
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Patent number: 5010163Abstract: Thermoplastic aromatic polycarbonates having average molecular weight Mw of at least 10,000 which contain bifunctional carbonate structural units corresponding to formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another represent hydrogen, a C.sub.1 -C.sub.12 -hydrocarbon, halogen,m is 2 or 3 andX represents hydrogen or a C.sub.6 -C.sub.12 hydrocarbon, at least one substituent X being a C.sub.6 -C.sub.12 hydrocarbon radical,in quantities of from 100 to 1 mol-% based on the total quantity of difunctional carbonate structural units in the polycarbonate.Type: GrantFiled: December 13, 1989Date of Patent: April 23, 1991Assignee: Bayer AktiengesellschaftInventors: Volker Serini, Dieter Freitag, Uwe Westeppe, Karsten Idel, Ulrich Grigo, Carl Casser, Klaus-Christian Paetz, Manfred Hajek
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Patent number: 5001185Abstract: A rubber composition used for passenger car tire, particularly as bead filler thereof comprises particular amounts of carbon black and at least one resin obtained by adding amine as a curing agent for resin to a novolak type phenolic resin modified with at least one of animal oil, vegetable oil, unsaturated oil, aromatic hydrocarbon and nitrile rubber for the provision of self curability, based on 100 parts by weight of particular rubber component usually used in the tire.Type: GrantFiled: December 6, 1989Date of Patent: March 19, 1991Assignee: Bridgestone CorporationInventors: Hiroyuki Teratani, Banba Fumio
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Patent number: 5001184Abstract: Reinforced composite materials having a thermoplastic matrix and at least 30% by volume and preferably at least 35% by volume of reinforcing filaments, at least 25% by volume being pitch based graphite fibres, are produced having a longitudinal flexural modulus according to ASTM D790-81 of at least 250 GN/m.sup.2. Impregnation of very fragile, inflexible pitch based graphite filaments is achieved using supporting filaments of greater robustness to the abrasion encountered in impregnation processes and, optionally, severing the filaments during the process if products containing only pitch based graphite filaments are required.Type: GrantFiled: September 13, 1988Date of Patent: March 19, 1991Assignee: Imperial Chemical Industries PLCInventors: John A. Barnes, David McNeil
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Patent number: 4988752Abstract: Process for the coloring of thermoplastics in the mass, characterized in that dyestuffs of the formula ##STR1## are used in which X denotes H, alkyl, preferably C.sub.1 -C.sub.6 -alkyl, cycloalkyl, preferably C.sub.5 -C.sub.6 -cycloalkyl, CF.sub.3, halogen, preferably F, Cl, Br,Y denotes H, alkyl, preferably C.sub.1 -Chd 6-alkyl, in particular CH.sub.3, halogen, preferably F, Cl, Br,R.sup.1 denotes alkyl, preferably C.sub.1 -C.sub.6 -alkyl, alkoxyalkyl, preferably C.sub.1 -C.sub.4 -alkoxy-C.sub.2 -C.sub.4 -alkyl, phenyl-C.sub.1 -C.sub.6 -alkyl which is unsubstituted or substituted in the phenyl radical, for example by CH.sub.3, Cl or Br,R.sup.2 denotes alkyl, preferably C.sub.1 -C.sub.6 -alkyl, alkoxyalkyl, preferably C.sub.1 -C.sub.6 -alkoxy-C.sub.2 -C.sub.4 -alkyl, phenyl-C.sub.1 -C.sub.6 -alkyl which is unsubstituted or substituted in the phenyl radical, for example by CH.sub.3, Cl, Br, andR.sup.3 denotes H, alkyl, preferably C.sub.1 -C.sub.6 -alkyl, in particular CH.sub.3.Type: GrantFiled: May 31, 1989Date of Patent: January 29, 1991Assignee: Bayer AktiengesellschaftInventors: Rainer Hamprecht, Michael Kressner, Georg Pape
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Patent number: 4981888Abstract: A pigmented thermoplastic resin composition comprising:(A) a thermoplastic resin;(B) a metal phthalocyanine pigment; and(C) 0.5 to 30% by weight, based on the weight of the pigment (B), as agent imparting heat stability to component (B), of a sulphonated imidomethyl phthalocyanine having the formula I: ##STR1## wherein Pc is a phthalocyanine residue optionally substituted by up to 4 chlorine or bromine atoms;M is hydrogen or a metal capable of forming a metal phthalocyanine;m is a vlaue within the range of from 0.05 to 1.0;n is a value within the range of from 0.1 to 4.0; andX is a residue such that, in combination with the group ##STR2## it form a 5-, 6- or 7-membered cyclic imide.Type: GrantFiled: May 15, 1989Date of Patent: January 1, 1991Assignee: Ciba-Geigy CorporationInventors: Robert Langley, Colin D. Campbell
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Patent number: 4981898Abstract: A composition comprising a blend of a polyester resin and a polycarbonate resin are provided with a transesterification reaction hindering amount of a metaphosphate fiber.Type: GrantFiled: December 31, 1987Date of Patent: January 1, 1991Assignee: General Electric CompanyInventor: Walt H. Bassett
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Patent number: 4977233Abstract: A polycarbonate having a principal chain comprising a repeating unit represented by the formula: ##STR1## (a) a substituted phenoxy group represented by the formula (II) ##STR2## (wherein A is as defined in the appended specification) and (b) p-tert-butyl phenoxy group represented by the formula (III) ##STR3## and/or the phenoxy group represented by the formula (IV) ##STR4## bonded to the terminals thereof in the ratio of (a) 10 to 99 mole percent of the said substituted phenoxy group, and (b) 90 to 1 mole percent of p-tert-butylphenoxy group and/or phenoxy group. This polycarbonate has so high a fluidity and an impact resistance that it is moldable into thin or complex shapes.Type: GrantFiled: March 23, 1989Date of Patent: December 11, 1990Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Masaya Okamoto, Hiroshi Kurokawa
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Patent number: 4977234Abstract: Disclosed is a novel polymer of this invention which comprises having a recurring unit represented by the formula: ##STR1## and having a reduced viscosity (.eta.sp/c) of 0.2 dl/g or more at 60.degree. C. in a solution of a concentration of 0.2 g/dl in p-chlorophenol as a solvent, a method for preparing the same which comprises reacting a dihalogenobenzonitrile represented by the formula: ##STR2## wherein X represents a halogen atom, with an alkali metal salt of resorcin represented by the formula: ##STR3## wherein M represents an alkali metal, in the presence of a solvent; and then treating the reaction product obtained by water or alcohol, and molding materials and molded products employing the polycyanoaryl ether.Type: GrantFiled: December 28, 1988Date of Patent: December 11, 1990Assignee: Idemitsu Kosan Company LimitedInventors: Shigeru Matsuo, Tomoyoshi Murakami, Thoru Bando, Kikuo Nagatoshi
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Patent number: 4972016Abstract: The present invention relates to a poly(cyanoarylether)based resin composition comprising 100 parts by weight of poly(cyanoarylether) having a repeating unit represented by the formula: ##STR1## (wherein Ar is ##STR2## as a main constitutional component and 0.01 to 3 parts by weight of at least one crystallization nucleating agent selected from the group consisting of talc, mica and carbon black each having a particle diameter of not more than 3 .mu.m.In the composition of the present invention, the rate of crystallization of poly(cyanoarylether) is greatly improved. Thus, the productivity of molding can be increased. Furthermore, the composition of the present invention can provide moldings having excellent heat resistance without annealing.Type: GrantFiled: March 14, 1990Date of Patent: November 20, 1990Assignee: Idemitsu Kosan Company LimitedInventor: Tomoyoshi Murakami
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Patent number: 4962131Abstract: The invention is a composition useful for the preparation of POWADIR membranes of a bisphenol-based polycarbonate wherein at least 25 percent by weight of the bisphenol moieties are tetrahalogenated, wherein the halogen is Cl or Br, the composition comprising (i) a bisphenol-based polycarbonate wherein at least 25 percent by weight of the bisphenol moieties are tetrahalogenated, wherein the halogen is Cl or Br, (ii) a solvent for such polycarbonate, and (iii) a non-solvent for such polycarbonate. The composition is useful for extruding membranes wherein the membranes formed are POWADIR membranes with a discriminating region capable of separating oxygen from nitrogen.The composition of this invention allows the formation of membranes with excellent physical properties, good separation factors for oxygen and nitrogen, with excellent fluxes.Type: GrantFiled: November 6, 1987Date of Patent: October 9, 1990Assignee: The Dow Chemical CompanyInventors: Henry N. Beck, Edgar S. Sanders, Jr., G. Glenn Lipscomb, II
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Patent number: 4959406Abstract: Plastic containing small amounts of titanium dioxide and, if appropriate, carbon black and an additive which reduces the tracking resistance, for the production of laser-writable mouldings.Type: GrantFiled: February 6, 1989Date of Patent: September 25, 1990Assignee: Bayer AktiengesellschaftInventors: Eckard Foltin, Hans-Werner Depcik, Karl Huff, Alfred Pischtschan, Mehmet C. Yesildag, Reiner Erkelenz
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Patent number: 4946881Abstract: A new class of antiozonant compounds, namely tris(N-alkyl-p-phenylenediamino)-1,3,5-triazine compounds, are incorporated into thermosetting compositions having at least one highly unsaturated rubbery polymer and at least one other elastomer having lesser unsaturation, such as EPDM. Thermosetting compositions are most useful as tire sidewall compositions which may be preferably cured with blends of organic peroxide and sulfur donor accelerators.Type: GrantFiled: March 4, 1988Date of Patent: August 7, 1990Assignee: Uniroyal Chemical Company, Inc.Inventors: Robert J. Cornell, Edward L. Wheeler, Russell A. Mazzeo, Sung W. Hong
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Patent number: 4938801Abstract: Printing inks comprising an oxidation polymerization type resin, at least a part of which sets to gel in a non-polar ink solvent, a color agent, and an ink solvent, at least a part of which being a non-volatile polar solvent. When the printing ink is applied onto an absorbent printing object, the non-volatile polar solvent is easily absorbed by the printing object to gel the oxidation polymerization type resin, thereby to allow the ink to dry quickly, whereas the ink on non-absorbent printing members of a printing machine does not dry easily.Type: GrantFiled: March 28, 1988Date of Patent: July 3, 1990Assignee: Taniguchi Ink Manufacturing Co., Ltd.Inventors: Yoshioki Yoshioka, Kiyoe Hoshino, Shigeru Nakamura
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Patent number: 4939199Abstract: Described herein are circuit board substrates prepared from certain poly(aryl ethers) based on 4,4'-dichlorodiphenyl sulfone.Type: GrantFiled: December 19, 1988Date of Patent: July 3, 1990Assignee: Amoco CorporationInventors: Robert J. Cotter, Stephen B. Rimsa, Robert Barclay, Jr.
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Patent number: 4937309Abstract: Described are select polyarylethersulfones polymers which are useful for molding into a circuit board substrte. When metal is electroplated onto such a substrate, there is a high degree of adhesion of the metal to the circuit board.Type: GrantFiled: August 14, 1989Date of Patent: June 26, 1990Assignee: Amoco CorporationInventors: Herbert S. Chao, James E. Harris, Stephen B. Rimsa
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Patent number: 4931496Abstract: Fiber-reinforced compositions comprising a structural fiber and a cyanate ester resin formulation having an N-substituted urea compound as a latent cure accelerator provide rapid-curing prepreg with good out-time characteristics. The prepreg may be used to form composite articles with good toughness and excellent retention of properties on extended exposure to moisture at elevated temperatures.Type: GrantFiled: March 24, 1989Date of Patent: June 5, 1990Assignee: Amoco CorporationInventors: Shahid P. Qureshi, Hugh C. Gardner, Richard H. Newman-Evans
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Patent number: 4913697Abstract: A thermosetting resin composition comprising (i) a polymaleimide compound having at least two maleimide groups in the molecule and (ii) an s-triazine compound having at least two alkenylaryloxy groups in the molecule; a resin-composition for encapsulant comprising said polymaleimide compound, said traizine compound, and an inorganic filler as essential components; and said s-triazine compound.Type: GrantFiled: December 8, 1988Date of Patent: April 3, 1990Assignee: Sumitomo Chemical Company, LimitedInventors: Yasuhisa Saito, Kunimasa Kamio, Shuichi Kanagawa, Yutaka Shiomi
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Patent number: 4883845Abstract: The invention relates to curable compositions comprising(a) a copolyether resin having end groups --OR.sup.1 linked direct to phenyl nuclei and containing 1 to 50 mol % of repeating structural units of formula I ##STR1## and 99 to 50 mol % of repeating structural units of formula II ##STR2## wherein R.sup.1 is hydrogen, a phenylene radical substituted by amino agroups or ethylenically unsaturated radicals or is a 2,3-epoxypropyl radical, R.sup.2 is a direct C--C bond or a group of formula --C.sub.r H.sub.2r --, --O--, --S--, --CO-- or --SO.sub.2 --, r is 1 to 20, R.sup.3 is hydrogen or methyl, R.sup.4, R.sup.5 and R.sup.7 are inert substituents, m, n and o are each independently 0, 1 or 2, p is 1 or 2, R.sup.6 is a radical of a bisphenol, X and Y are --SO.sub.2 -- or --CO--, and(b) at least one compound of formula VIII, IX or X ##STR3## wherein A forms a maleimidyl, nadicimidyl, allylnadicimidyl or methallylnadicimidyl system, and R.sup.14 and R.sup.Type: GrantFiled: January 23, 1989Date of Patent: November 28, 1989Assignee: Ciba-Geigy CorporationInventors: Friedrich Stockinger, Werner Stauffer
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Patent number: 4883855Abstract: The invention relates to copolyether resins having end groups --OR.sup.1 linked direct to phenyl nuclei and containing 1 to 50 mol % of repeating structural units of formula I ##STR1## and 99 to 50 mol % of repeating structural units of formula II ##STR2## wherein R.sup.1 is hydrogen, a phenylene radical substituted by amino groups or ethylenically unsaturated radicals or is a 2,3-epoxypropyl radical, R.sup.2 is a direct C--C bond or a group of formula --C.sub.r H.sub.2r --, --O--, --S--, --CO-- or --SO.sub.2 --, r is 1 to 20, R.sup.3 is hydrogen or methyl, R.sup.4, R.sup.5 and R.sup.7 are inert substituents, m, n and o are each independently 0, 1 or 2, p is 1 or 2, R.sup.6 is a radical of a bisphenol, X and Y are --SO.sub.2 -- or --CO--.The compounds can be used in particular in conjunction with unsaturated imides as matrix resins for the preparation of fibrous composite structures.Type: GrantFiled: January 23, 1989Date of Patent: November 28, 1989Assignee: Ciba-Geigy CorporationInventor: Friedrich Stockinger
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Patent number: 4876309Abstract: Pyran-derived compounds having defined functional groups are described which color stabilize aromatic carbonate polymers or blends therewith upon exposure to sterilizing radiation.Type: GrantFiled: December 22, 1987Date of Patent: October 24, 1989Assignee: General Electric CompanyInventors: Linda H. Nelson, Roger W. Avakian, Arnold Factor
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Patent number: 4876318Abstract: Compounds of the formula ##STR1## where R is alkyl, R' is independently selected from alkyl and aryl, and n ranges from 1 to 8 are useful as coupling agents in filled polymer compositions, e.g., in filled, polar polymers such as polybutylene terephthalate.Type: GrantFiled: July 19, 1988Date of Patent: October 24, 1989Assignee: Texas Alkyls, Inc.Inventors: Dennis B. Malpass, Kelly B. Triplett, Andrzej M. Piotrowski
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Patent number: 4873277Abstract: An aromatic carbonate resin composition exhibiting improved impact properties comprised of:(i) at least one aromatic carbonate resin;(ii) at least one effective amount of at least one impact modifier; and(iii) an amount effective to improve the impact properties of (i) and (ii) but insufficient to substantially deleteriously affect, to a substantial degree, most of the advantageous properties thereof of at least one aliphatic sulphonate.Type: GrantFiled: October 31, 1986Date of Patent: October 10, 1989Assignee: General Electric CompanyInventor: Omar M. Boutni
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Patent number: 4871830Abstract: An aromatic ester carbonate resin comprised of:(i) at least one recurring structural unit represented by the formula ##STR1## (ii) at least one recurring structural unit selected from structural units represented by the formulae ##STR2## or mixtures thereof; and (iii) at least one recurring structural unit represented by the formula ##STR3## (iv) at least one recurring structural unit selected from structural units represented by the formulae ##STR4## or mixtures thereof; wherein R is independently selected from halogen, monovalent hydrocarbon radicals, or monovalent hydrocarbonoxy radicals,W is selected from divalent hydrocarbon radicals, ##STR5## A is the divalent residue of at least one polymerized conjugated alkadiene and has a weight average molecular weight of at least about 600,m is independently selected from integers having a value of from 0 to 4, andb is either zero or one, andwherein B is the divalent residue of an ester precursor.Type: GrantFiled: September 8, 1987Date of Patent: October 3, 1989Inventors: Victor Mark, deceased, by Carol M. Mark, representative, by Ester H. Mark, representative, Edward N. Peters
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Patent number: 4870123Abstract: Thermoplastic molding composition comprising an organic polyester or poly(phenylene oxide) or poly(phenylene sulfide) or poly(etherimide) polysulfone and a hydrogenated oligomer of an alpha-olefin in an amount effective to impart reliable and facile mold release.Type: GrantFiled: March 3, 1989Date of Patent: September 26, 1989Assignee: General Electric CompanyInventor: Linda H. Nelson
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Patent number: 4870125Abstract: Thermoplastic molding composition comprising an organic polyester or poly(phenylene oxide) of poly-(phenylene sulfide) or poly(etherimide) polysulfone and a hydrogenated oligomer of an alpha-olefin in an amount effective to impart reliable and facile mold release.Type: GrantFiled: March 3, 1989Date of Patent: September 26, 1989Assignee: General Electric CompanyInventor: Linda H. Nelson
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Patent number: 4868236Abstract: The invention deals with the preparation, compositions, and application of certain high molecular weight hydrophobic citrate polyesters of guerbet alcohols and their alkoxylates, which are useful in polycarbonate processing.Type: GrantFiled: January 23, 1989Date of Patent: September 19, 1989Inventor: Anthony J. O'Lenick, Jr.
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Patent number: 4861823Abstract: Novel curable resin compositions are disclosed containing an aromatic cyanate ester and an allyl ether of a bisphenol as a modifier. These compositions provide improved prepregs and composites. Additional modifiers including epoxy resins and bismaleimides may be included.Type: GrantFiled: August 3, 1988Date of Patent: August 29, 1989Assignee: Amoco CorporationInventor: Shahid P. Qureshi
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Patent number: 4847312Abstract: A polycarbonate molding composition comprising an aromatic polycarbonate resin and a compound conforming to ##STR1## wherein n, x and y independently are 0 or 1 and R is a C.sub.1 -C.sub.20 hydrocarbon radical was found to have advantageous hydrolytic stability.Type: GrantFiled: August 2, 1988Date of Patent: July 11, 1989Assignee: Mobay CorporationInventors: Charles E. Lundy, Sivaram Krishnan
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Patent number: 4839458Abstract: Disclosed herein is a process for producing a resin having carbonate bonding, comprising polymerizing a hydroxydiaryl compound and phosgene in an organic solvent of methylene chloride such that the concentration of carbon tetrachloride in phosgene and methylene chloride in the polymerization system satisfies the following equation:A+5B.ltoreq.200(wherein A represents carbon tetrachloride concentration (ppm) in phosgene and B represents carbon tetrachloride concentration (ppm) in methylene chloride).Type: GrantFiled: June 17, 1987Date of Patent: June 13, 1989Assignee: Mitsubishi Chemical Industries Ltd.Inventors: Shinichiro Koga, Akira Matsuno, Katsuyuki Sakata, Yoshiaki Ohtani, Isao Akihara
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Patent number: RE33032Abstract: The present invention relates to polycarbonate films, and in particular extruded films and cast films, but preferably extruded films, which are characterized in that they contain about 0.01% to 2% by weight of a NH.sub.4 salt, alkali metal salt or alkaline earth metal salt of a perhalogenoalkanesulphonic acid, preferably a perfluoroalkanesulphonic acid.Type: GrantFiled: November 16, 1987Date of Patent: August 22, 1989Assignee: Bayer AktiengesellschaftInventors: Rudolf Binsack, Joachim Wank, Eckart Reese