Solid Polymer Derived Only From 1,2-epoxy Reactants Containing Only C, H, And O Patents (Class 525/409)
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Patent number: 5173538Abstract: A quick-setting, moisture-curing hot-melt polyurethane composition having a first polyether-based polyurethane prepolymer having a Tg above room temperature and a second polyurethane prepolymer with a Tg below room temperature, the first prepolymer being prepared from a low molecular weight polyether; preferably the second prepolymer is also polyether based and prepared from a high molecular weight polyether.Type: GrantFiled: October 17, 1989Date of Patent: December 22, 1992Assignee: Bostik, Inc.Inventors: Heinz G. Gilch, Walter Rath
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Patent number: 5162451Abstract: A homogeneous composition having improved curability contains an organopolysiloxane having at least two carboxyl group-containing hydrocarbon groups in each molecule, a polymeric compound which contains at least 2 hydroxyl groups and at least one oxyalkylene unit and a catalytic quantity of an esterification reaction catalyst. The curable composition has good standing compatiblity and experiences a high degree of curing. When cured the composition is useful, for example, as an antistatic additive.Type: GrantFiled: February 11, 1991Date of Patent: November 10, 1992Assignee: Dow Corning Toray Silicone Co., Ltd.Inventor: Takashi Nakamura
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Patent number: 5162452Abstract: The Thermocurable compositions which contain(A) at least one mercaptoalkyl-containing compound which contains at least two SiC-bonded radicals per molecule of the general formulaHS--R.sup.2 -- (I)where R.sup.2 represents a divalent hydrocarbon radical having from 1 to 8 carbon atom(s) per radical, selected from the group consisting mercaptoalkyl-containing organopolysiloxanes and cocondensates of mercaptoalkyl-containing organosilicon compounds containing groups capable of condensation, and hydroxyl-containing organic compounds,(B) at least one vinyl-containing compound which is compatible with constituent (A) and contains at least two groups per molecule of the general formulaR.sup.4 CH.dbd.CR.sup.3 C(O)O-- (II)where R.sup.3 represents a hydrogen atom or a methyl radical, and R.sup.Type: GrantFiled: May 30, 1990Date of Patent: November 10, 1992Assignee: Wacker-Chemie GmbHInventors: Christian Herzig, Bernward Deubzer, Josef Esterbauer
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Patent number: 5118764Abstract: Disclosed are purified polyether silicone addition reaction products of a hydrogen siloxane and a polyoxyalkylene containing a terminal double bond, which in unpurified form contains one or both of unreacted polyoxyalkylene and internal rearrangement side reaction products thereof which generate unpleasant odors in the reaction product upon storage and upon contact with water, substantially free from said unreacted polyoxyalkylene and rearrangement products thereof so that the total quantity of ketones and aldehydes produced by a treatment of the purified polyether silicones in a closed system at 60.degree. C. for 24 hours with a quantity of 10.sup.Type: GrantFiled: May 17, 1990Date of Patent: June 2, 1992Assignee: Shin-Etsu Chemical Company, LimitedInventors: Shoji Ichinohe, Hideyuki Kawamoto
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Patent number: 5108782Abstract: A silicone release coating emulsion includes a reactive crosslinkable silicone, a catalyst and a high molecular weight, water soluble or water dispersible polymeric thickening agent such as polyethylene oxide. The polymeric thickening agent has a molecular weight greater than about 100,000 g/mole Mw. The silicone release emulsion is applied as a coating to a substrate, and particularly paper, and cured to form a release coating for pressure sensitive adhesives. The silicone emulsion exhibits improved holdout of the silicone from the substrate.Type: GrantFiled: July 8, 1991Date of Patent: April 28, 1992Assignee: P. H. Glatfelter CompanyInventor: W. Michael Reed
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Patent number: 5093432Abstract: This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.Type: GrantFiled: September 28, 1989Date of Patent: March 3, 1992Assignee: Exfluor Research CorporationInventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
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Patent number: 5091446Abstract: A cationic electrodeposition coating resin composition composed mainly of(A) a resin containing a primary hydroxyl group and a cationic group, and(B) an epoxy resin which is a copolymer comprising recurring units represented by formula (I) ##STR1## and recurring units represented by formula (II) ##STR2## wherein R denotes a C.sub.3 -C.sub.35 alkyl group, the proportion of the recurring units of formula being 1 to 75% by weight.Type: GrantFiled: October 18, 1990Date of Patent: February 25, 1992Assignee: Kansai Paint Co., Ltd.Inventors: Reiziro Nishida, Akira Tominaga
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Patent number: 5079284Abstract: A polymer such as polyester is modified with reaction with a modifier of a compound having the formula: ##STR1## in which X is halogen, Y.sub.1 and Y.sub.2 are a three- to eight-membered ring, Z is a divalent organic group and n is 1 or more.Type: GrantFiled: February 8, 1990Date of Patent: January 7, 1992Assignee: Polyplastics Co., Ltd.Inventors: Toshio Nakane, Yukihiko Kageyama, Kenji Hijikata
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Patent number: 5077352Abstract: A flexible, lubricious organic polymeric coating is formed by applying a mixture of an isocyanate, a polyol, poly(ethylene oxide), and carrier liquid to a surface to be coated. The carrier liquid is removed and the mixture reacted to form a polyurethane coating with associated poly(ethylene oxide) giving a highly lubricious, abrasion resistant, flexible coating particularly suitable for use as a protective lubricious coating on devices introduced into the body.Type: GrantFiled: April 23, 1990Date of Patent: December 31, 1991Assignee: C. R. Bard, Inc.Inventor: Richard K. Elton
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Patent number: 5039787Abstract: Methods are disclosed for the production of (I) a cationic water-soluble resin by the reaction of a polyethylene glycol polyhalohydrin ether resulting from the reaction between polyethylene glycol and an epihalohydrin with an aziridine compound and (II) and (III) cationic water-soluble resins by the reaction of (I) the resin with an epihalohydrin and/or a polyfunctional epoxy compound in the presence or absence of a polyalkyleneimine. The resins (I), (II), and (III) are stable over a wide range of pH value and are useful as a water-treating agent.Type: GrantFiled: February 21, 1989Date of Patent: August 13, 1991Assignee: Nippon Shokubai Kagaku Kogyo, Co., Ltd.Inventors: Yasumasa Tanaka, Shigehiro Nishimura, Masatoshi Kurahashi, Yugi Sugiura, Yoshinori Sano
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Patent number: 5032648Abstract: The partially fluorinated alkene 4,4,4-trifluoro-2-methyl-1-butene is produced by the selective dehydrochlorination of 3-chloro-1,1,1-trifluoro-3-methylbutane in the presence of a suitable base at elevated temperatures. The alkene is converted to 1,2-epoxy-4,4,4-trifluoro-2-methylbutane which is polymerizable in the presence of an aluminum coordination catalyst. A copolymer can be made with epichlorohydrin.Type: GrantFiled: April 26, 1990Date of Patent: July 16, 1991Assignee: The B. F. Goodrich CompanyInventor: Paul P. Nicholas
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Patent number: 5010139Abstract: An antistatic polymeric composition consisting of at least one antistatic additive of an ethylene oxide copolymer in the range of from about 3% to about 30% by weight and being a solid, nonionic material and having a dilution solution viscosity of greater than 0.25 g/ml and preferably having an average molecular weight greater than 20,000; and a polymeric material in the range from about 70% to about 97% by weight. The ethylene oxide copolymer comprises ethylene oxide in the range of from about 5% to about 95% by weight and at least 1 comonomer selected the group consisting of cyclic ethers, cyclic acetals, and cyclic esters, in the range of from about 95% to about 5% by weight. The polymeric material can be any thermoplastic, thermoplastic elastomer, or elastomer including ABS, ASA, polyamides, PBT, PET, PETG, PMMA, PUR, PVC, CPVC, PC, POM, POP, SMA, and SAN.Type: GrantFiled: June 14, 1989Date of Patent: April 23, 1991Assignee: The B. F. Goodrich CompanyInventor: Simon H. P. Yu
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Patent number: 4990576Abstract: A process in which a di-trimethylol alkane initiator is oxyalkylated to form an alkylene oxide adduct which is then catalytically aminated to provide, for example, a tetramine. These compounds are useful for preparing polyurethane products and as curing agents for epoxy resins.Type: GrantFiled: October 31, 1989Date of Patent: February 5, 1991Assignee: Texaco Chemical CompanyInventors: Michael Cuscurida, Jiang-Jen Lin
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Patent number: 4985047Abstract: A novel oil-soluble polyether diamine compound, a concentrate comprising the compound dissolved in a hydrocarbon solvent, and a haze-free, deposit-resistant and ORI-inhibited motor fuel composition comprising the compound is described. Motor fuel compositions comprising the novel polyether diamine compound of the instant invention are haze-free and improve ORI control and carbonaceous deposit inhibition in motor fuels. Motor fuel compositions of the instant invention may optionally comprise a polyolefin polymer/copolymer component having a molecular weight range of about 500-3500.Type: GrantFiled: November 24, 1989Date of Patent: January 15, 1991Assignee: Texaco Inc.Inventors: Rodney L. Sung, Daniel T. Daly
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Patent number: 4983700Abstract: A curable polymer composition comprising:(A) 100 parts by weight of an oxyalkylene base polymer having at least one silicon-containing group to the silicon atom of which a hydroxy group and/or a hydrolyzable group is bonded and which is cross linkable through formation of a siloxane bond,(B) 0.1 to 20 parts by weight of at least one compound selected from the group consisting of a compound having one silanol group in the molecule and a compound which, when reacted with moisture, generates a compound having one silanol group in the molecule,(C) 0.1 to 20 parts by weight of a compound having a silicon-containing group to the silicon atom of which two hydrolyzable groups are bonded and an amino group, and(D) 0.01 to 5 parts by weight of a compound having a silicon-containing group to the silicon atom of which three hydrolyzable groups are bonded and an amino group, which composition provides a cured material having low modulus, group bond strength and improved weather resistance of bond strength.Type: GrantFiled: June 9, 1989Date of Patent: January 8, 1991Assignee: Kanegafuchi Chemical Industry, Co. Ltd.Inventors: Sadao Yukimoto, Toshifumi Hirose, Hiroshi Wakabayashi, Katsuhiko Isayama
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Patent number: 4977228Abstract: A curable polymer composition comprising(A) an alkyl (meth)acrylate base polymer having a silicon-containing reactive group,(B) an oxyalkylene base polymer having a silicon-containing reactive group,(C) a silicon-containing compound having three or four hydrolyzable groups bonded to the silicon atom,(D) a silicon-containing compound having two hydrolyzable groups bonded to the silicon atom and(E) a curing acceleratorwherein the compounds (C), (D) and (E) are contained in amounts of 0.01 to 30 parts by weight, 0.1 to 30 parts by weight and 0.01 to 10 parts by weight per 100 parts by weight of the total amount of the polymers (A) and (B), which composition has improved storage stability while a cured material therefrom has good mechanical properties, particularly elongation.Type: GrantFiled: March 17, 1989Date of Patent: December 11, 1990Assignee: Kanegafuchi Chemical Industry Co., Ltd.Inventors: Hiroshi Wakabayashi, Hisami Iwakiri, Kazuhiko Tamai, Katsuhiko Isayama
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Patent number: 4970005Abstract: A method of treating wastewater containing water-insoluble high molecular weight polyether polyol impurities is disclosed. The method comprises reacting the aqueous waste stream with an oxidizing agent and optionally with a transition metal catalyst. The molecular weight of the polyol impurities is reduced to less than about 1,000, thereby improving the biodegradability of the stream.Type: GrantFiled: June 1, 1990Date of Patent: November 13, 1990Assignee: ARCO Chemical Technology, Inc.Inventor: Jonathan L. Schuchardt
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Patent number: 4948845Abstract: A polyether polycarbonate block copolymer nonionic surface-active agent and method for making the same. The polyether polycarbonate surface active agent is comprised of a hydrophilic portion comprised of a polymer selected from the group consisting of a polyoxyalkylene polyether, a saccharide, a saccharide polyoxyalkylenate, a polycarbonate having a carbon dioxide content of from about 1 to 15 molar percent and mixtures thereof and a hydrophobic portion comprising alkylene and carbonate units arranged in alternating or random order to form a poly(alkylene carbonate) having a total carbon dioxide content of from about 25 to 50 molar percent and a total molecular weight of from about 300 to 10,000. The hydrophobic portion is bonded to the hydrophilic portion at each side of a reactive hydrogen. The surface active agent is prepared by polymerizing the hydrophilic portion with the hydrophobic portion in a weight ratio of about 10:90 to 90:10.Type: GrantFiled: April 17, 1989Date of Patent: August 14, 1990Assignee: BASF CorporationInventors: Steven D. Gagnon, Edward M. Dexheimer
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Patent number: 4943626Abstract: Polyether active hydrogen compounds having at least two terminal active hydrogen groups on primary carbon atoms are prepared by (a) forming polyoxyalkylene molecules each having at least one active hydrogen precursor, (b) linking at least two of the polyoxyalkylene molecules, and (c) converting the active hydrogen precursor groups to active hydrogen groups on primary carbon atoms. The polyoxyalkylene molecule is formed by exposing a reaction mixture comprising at least one alkylene oxide and at least one protective initiator to conditions effective for the polymerization of the alkylene oxides. Linking is accomplished at polyether chain ends distal to the protected active hydrogen precursor groups, such that the active hydrogen precursors remain on the linked polyether chains until they are converted to active hydrogen groups.Type: GrantFiled: July 29, 1988Date of Patent: July 24, 1990Assignee: The Dow Chemical CompanyInventors: James E. McGrath, Youngtai Yoo, Robert B. Turner, Diane M. Lewis
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Patent number: 4940749Abstract: A carbon black-graft polymer, produced by causing a polymer possessing within the molecular unit thereof at least one reactive group selected from the class consisting of aziridine group, oxazoline group. N-hydroxyalkylamide group, epoxy group, and thioepoxy group to react with carbon balck. The polymer can be used as a toner for electrostatically charged image, resin composition, coating composition, ink for thermographic transer, coating gent for magnetic recording medium, rubber composition, and carbon black dispersion and the like.Type: GrantFiled: June 29, 1989Date of Patent: July 10, 1990Assignee: Nippon Shokubai Kagaku Kogyo Co., Ltd.Inventors: Yoshikuni Mori, Mitsuo Kushino, Hayato Ikeda, Nobuaki Urashima, Masuji Izubayashi, Shigeru Tanimori, Yoshihiro Arita, Kiyoshi Kawamura, Kenji Minami, Yoshinori Sano
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Patent number: 4933415Abstract: There are provided polyethers end-blocked with hydrolyzable silyl groups which have molecular weight from 500 to 50,000 and are represented by the formula: ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 individually represent a divalent hydrocarbon group, R.sup.5 represents a monovalent hydrocarbon group, R.sup.6 represents an alkyl group with 1 to 6 carbon atoms, A represents a substituted or non-substituted divalent aromatic group, a represents a number of 1 to 3, m represents a number of 10 to 500 and n represents a number of 1 or greater. The polyether is produced by reacting an epoxy end-blocked polyoxyalkylene, a mono-epoxy substituted hydrolyzable silane, and an aromatic diamine.Type: GrantFiled: August 26, 1988Date of Patent: June 12, 1990Assignee: Toshiba Silicone Co., Ltd.Inventors: Chiyuki Shimizu, Tamio Yoshida
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Patent number: 4920203Abstract: This invention relates to medical devices formed totally or in part from homopolymers or copolymers comprising recurring carbonate moieties.Type: GrantFiled: August 2, 1988Date of Patent: April 24, 1990Assignee: Allied-Signal Inc.Inventors: Reginald T. Tang, Frank Mares, William J. Boyle, Jr., Tin-Ho Chiu, Kundabhai M. Patel
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Patent number: 4920173Abstract: PUR powder paints with matt surfaces that level well after baking are obtained when polymers containing hydroxyl groups with more than 2 OH groups in the molecule are reacted with blocked polyisocyanate-urea adducts of polyisocyanates and polyamines with an NCO content of 8 to 15 wt. % and a free NCO content of up to 4 wt. %.Type: GrantFiled: September 15, 1988Date of Patent: April 24, 1990Assignee: Huels AktiengesellschaftInventor: Rainer Gras
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Patent number: 4906707Abstract: A curable composition comprising an oxyalkylene polymer having reactive silicon groups and at least one other oxyalkylene polymer which contains no reactive silicon group and is either one containing hydroxyl groups and having a number average molecular weight of not less than 4,000 or one having essentially no hydroxyl group. The curable composition gives a cured product which imparts improved drying properties to alkyd paints applied to the cured product.Type: GrantFiled: December 27, 1988Date of Patent: March 6, 1990Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Sadao Yukimoto, Toshifumi Hirose, Katsuhiko Isayama
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Patent number: 4902575Abstract: A method of coating the cured product of an oxyalkylene polymer having reactive silicon groups with an alkyd paint. The oxyalkylene polymer is combined with a high-molecular weight plasticizer and the composition is cured and the cured product coated with an alkyd paint.Type: GrantFiled: December 22, 1988Date of Patent: February 20, 1990Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Sadao Yukimoto, Toshifumi Hirose, Katsuhiko Isayama
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Patent number: 4891086Abstract: A process for polymer coating of narrow strands, for example, wires with a polymer, is disclosed whereby a rapidly reacting polymer formulation is sprayed onto the narrow strands whereupon it hardens in a very short period of time and another layer of strands is then placed atop the first which have now been coated with the polymer and a second layer of polymer formulation is sprayed on these strands, etc. The polymer formulation used comprises amine terminated polyethers of greater than 1500 average molecular weight, having greater than 50% of their average hydrogens in the form of amine hydrogens, a chain extender and an aromatic polyisocyanate.Type: GrantFiled: October 3, 1988Date of Patent: January 2, 1990Assignee: Texaco Inc.Inventors: Thomas H. Austin, Dudley J. Primeaux, II
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Patent number: 4883699Abstract: An article, suitable for use as a body implant, is made from a novel composition comprising a multiple phase polymer composition comprising:(a) a first phase which comprises a substantially non-hydrophilic polymeric component; and(b) a second phase which comprises a hydrophilic polymeric component;said composition (i) being capable of absorbing water to an extent that it softens with a softening ratio of at least about 2:1 and/or swells with a swelling ratio of at least about 1.3:1; and (ii) when substantially completely hydrated has an energy to break of at least about 700 N-cm/cm.sup.3 and a 2.5% Secant modulus of less than about 7,000 N/cm.sup.2.Type: GrantFiled: January 23, 1987Date of Patent: November 28, 1989Assignee: Menlo Care, Inc.Inventors: Lawrence M. Aniuk, Ronald L. Dieck, Dwayne Hardy
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Patent number: 4866143Abstract: A polyether polycarbonate block copolymer nonionic surface-active agent and method for making the same. The polyether polycarbonate surface active agent is comprised of a hydrophilic portion comprised of a polymer selected from the group consisting of a polyoxyalkylene polyether, a saccharide, a saccharide polyoxyalkylenate, a polycarbonate having a carbon dioxide content of from about 1 to 15 molar percent and mixtures thereof and a hydrophobic portion comprising alkylene and carbonate units arranged in alternating or random order to form a poly(alkylene carbonate) having a total carbon dioxide content of from about 25 to 50 molar percent and a total molecular weight of from about 300 to 10,000. The hydrophobic portion is bonded to the hydrophilic portion at each side of a reactive hydrogen. The surface active agent is prepared by polymerizing the hydrophilic portion with the hydrophobic portion in a weight ratio of about 10:90 to 90:10.Type: GrantFiled: April 21, 1988Date of Patent: September 12, 1989Assignee: BASF CorporationInventors: Steven D. Gagnon, Edward M. Dexheimer
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Patent number: 4859747Abstract: The direct fluorination of ethers in the presence of hydrogen fluoride (HF) scavengers such as sodium fluoride and potassium fluoride is disclosed. Ethers (liquid or solid) are either mixed with the HF scavenger, coated onto the HF scavenger or placed separately with the HF scavenger into a fluorination reactor and fluorinated by exposure to elemental fluorine. The HF scavenger permits use of more severe fluorination conditions than would be possible in the absence of the scavenger, i.e. higher initial fluorine, less gradual increases in fluorine gas concentrations and greater fluorine gas flow rates.Type: GrantFiled: May 24, 1988Date of Patent: August 22, 1989Assignee: Exfluor Research CorporationInventors: Thomas R. Bierschenk, Timothy J. Juhlke, Richard J. Lagow
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Patent number: 4855403Abstract: Capped connected branch copolymers are provided comprising a core segment, branched polymer segments attached to the core segment, linear polymer segments attached to the terminals of the branched polymer segments, and cap segments, which comprise residues of an alkylene oxide containing at least 4 carbon atoms and which are attached to the free terminals of the linear polymer segments. These capped copolymers are less water-soluble than the uncapped connected branched copolymers from which they are derived, and are useful in carbonless copying systems as carriers for the color precursor microcapsules. The microcapsules can be applied to the carbonless copying sheet by dispersing the microcapsules in the capped copolymer, heating the copolymer above its transition temperature and spreading the melted copolymer over the sheet. After cooling, the copolymer forms a coherent layer on the sheet.Type: GrantFiled: August 22, 1985Date of Patent: August 8, 1989Assignee: Union Carbide CorporationInventors: Debra J. Meschke, Kenneth L. Hoy
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Patent number: 4851475Abstract: High-functionality compositions based on fluorinated and silanized polyisocyanates, prepared by reacting a hydroxy-terminated perfluoropolyether having an average molecular weight ranging from 500 to 7000 and a silico-carbinol having an average molecular weight ranging from 500 to 7000, with an organic diisocyanate and a polyol having a functionality of at least 3. Varnishes containing said compositions based on fluorinated and silanized polyisocyanates, having a high functionality.Type: GrantFiled: July 1, 1987Date of Patent: July 25, 1989Assignee: Montedison S.p.A.Inventors: Franco Federici, Giorgio Pin, Ennio Cozzi, Aldo Trovati
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Patent number: 4820830Abstract: This invention relates to certain polyamine hydroxyalkyl carbamate monomers, polymers and copolymers thereof and blends of the same with crosslinking film making agents and films thereof deposited on substrates.Type: GrantFiled: March 2, 1987Date of Patent: April 11, 1989Assignee: King Industries, Inc.Inventor: Werner J. Blank
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Patent number: 4812530Abstract: New polymeric compositions comprising polyether-polycarbonate-polyether triblock copolymers and a method of preparation comprising reacting a monohydroxy polyether in an organic with a carbonate precursor such as phosgene, adding the resultant mixture to a dihydric compound such as bisphenol A, water, an organic solvent and an acid acceptor, controlling the pH of the polymerizing mixture at about 11 and, after the polymerization is complete, decreasing the pH to about 8 and recovering the product.Type: GrantFiled: December 28, 1987Date of Patent: March 14, 1989Assignee: The Dow Chemical CompanyInventors: Duane B. Priddy, Alan Letton
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Patent number: 4806598Abstract: A stable, nonreactive, thermoplastic polymer blend comprising from about 10 to about 95 percent by weight of a superabsorbent, thermoplastic polymeric composition and from about 90 to about 5 percent by weight of at least one thermoplastic polymer.Type: GrantFiled: December 22, 1986Date of Patent: February 21, 1989Assignee: Kimberly-Clark CorporationInventor: Michael T. Morman
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Patent number: 4786667Abstract: Polyethers end-blocked with hydrolyzable silyl groups are manufactured by reacting an epoxy end-blocked linear polyoxyalkylene, a mono-epoxy substituted hydrolyzable silane and an aromatic diamine and compounded with filler to produce a room temperature curable elastomer.Type: GrantFiled: May 22, 1987Date of Patent: November 22, 1988Assignee: Toshiba Silicone Co., Ltd.Inventors: Chiyuki Shimizu, Tamio Yoshida
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Patent number: 4775725Abstract: There is provided a novel product having the formula: ##STR1## where "polymer" is an amine functional polymer, such as amine terminated polyethylene imine, amine terminated polyalkylene glycols, amine terminated anilineformaldehyde, amine terminated nylons, amine functional silicones; R.sup.1, R.sup.2, and R.sup.3 are C.sub.1 -C.sub.8 monovalent hydrocarbyl radicals, m is 1 to 3 and n is 1 to 10.Type: GrantFiled: April 3, 1987Date of Patent: October 4, 1988Assignee: PCR, Inc.Inventors: Ralph J. DePasquale, Michael E. Wilson
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Patent number: 4767825Abstract: A superabsorbent, thermoplastic polymeric composition comprising:(A) from about 86 to about 98 percent by weight, based on the total weight of the composition, of a poly(oxyethylene) diol soft segment having a weight average molecular weight in the range of from about 5,000 to about 50,000; and(B) from about 2 to about 14 percent by weight, based on the total weight of the composition, of a hard segment which has a melting point above ambient temperature and below the temperature at which decomposition of either the composition or the soft segment takes place, is essentially insoluble in water, and phase separates from the soft segment, said hard segment being selected from the group consisting of polyurethanes, polyamides, polyesters, polyureas, and combinations thereof;wherein the soft and hard segments are covalently bound together by means of urethane, amide, ester, or secondary urea linkages or combinations thereof.Type: GrantFiled: December 22, 1986Date of Patent: August 30, 1988Assignee: Kimberly-Clark CorporationInventors: Jose F. Pazos, Sharon L. Greene, Augusto Rodriguez
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Patent number: 4764567Abstract: Polyoxyalkylene block polyether polyols having enhanced physical properties are prepared by catalyzing the ethylene oxide addition with cesium hydroxide or mixtures of cesium hydroxide with other basic catalysts. These polyethers are especially useful in surface active applications.Type: GrantFiled: November 20, 1986Date of Patent: August 16, 1988Assignee: BASF CorporationInventor: Roger A. Ott
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Patent number: 4764577Abstract: The curable polymeric composition comprises: (A) an organic polymer having at least two alkenyloxysilyl groups; (B) an organosilicon compound having at least two hydrosilyl groups; and (C) a catalytic amount of a platinum compound. When heated, the composition is curable by the hydrosilation reaction between the alkenyloxy groups in the component (A) and the silicon-bonded hydrogen atoms in the component (B) as promoted by the platinum compound to give a rubbery elastomer.Type: GrantFiled: July 29, 1987Date of Patent: August 16, 1988Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yoshio Inoue, Masatoshi Arai
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Patent number: 4760198Abstract: Perfluoropolyethers containing an approximate equal number of difluoromethylene and tetrafluoroethylene repeat units distributed either randomly or in alternating sequence along the polymer chain are disclosed. The polymers range in molecular weight from 500-200,000 amu; the lower molecular polymers being fluid and the intermediate and high molecular weight polymers being solid. The perfluorinated copolymers are synthesized by direct fluorination of corresponding methylene oxide/ethylene oxide copolymers.Type: GrantFiled: November 8, 1985Date of Patent: July 26, 1988Assignee: Exfluor Research CorporationInventors: Thomas R. Bierschenk, Timothy J. Juhlke, Richard J. Lagow
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Patent number: 4758646Abstract: A bis (alkoxysilyl) polyether is produced and utilized as a fabric sizing agent.Type: GrantFiled: March 10, 1987Date of Patent: July 19, 1988Assignee: General Electric CompanyInventors: William J. Raleigh, James E. Doin, Frank J. Traver
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Patent number: 4758247Abstract: A novel reaction product prepared by reacting a N-acyl sarcosine compound and a polyoxyalkylene polyol containing propylene oxide-ethylene oxide block copolymer units has utility as a motor fuel additive in reducing deposit formation in and around an internal combustion engine, and consequently is useful in reducing engine ORI. The novel reaction product is of the formula: ##STR1## where R is a C.sub.8 -C.sub.24 alkyl radical, R' is selected from the group consisting of H, CH.sub.3, or C.sub.2 H.sub.5, a+c has a value ranging from 1-20, and b has a value ranging from 5-50.Type: GrantFiled: January 2, 1987Date of Patent: July 19, 1988Assignee: Texaco Inc.Inventor: Rodney L. D. Sung
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Patent number: 4755567Abstract: The direct fluorination of ethers in the presence of hydrogen fluoride (HF) scavengers such as sodium fluoride and potassium fluoride is disclosed. Ethers (liquid or solid) are either mixed with the HF scavenger, coated onto the HF scavenger or placed separately with the HF scavenger into a fluorination reactor and fluorinated by exposure to gradually increasing concentrations of fluorine gas. The HF scavenger permits use of more severe fluorination conditions i.e. higher initial fluorine, less gradual increases in fluorine gas concentrations and greater fluorine gas flow rates.Type: GrantFiled: October 27, 1986Date of Patent: July 5, 1988Assignee: Exfluor Research CorporationInventors: Thomas R. Bierschenk, Timothy J. Juhlke, Richard J. Lagow
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Patent number: 4747851Abstract: A novel gasoline-soluble polyoxyalkylene diamine compound, a concentrate comprising the compound dissolved in a hydrocarbon solvent, and a haze-free, deposit-resistant and ORI-inhibited motor fuel composition comprising the compound is described. Motor fuel compositions comprising the novel polyoxyalkylene diamine compound of the instant invention are haze-free and show improved ORI control and carbonaceous deposit inhibition in comparison with conventional motor fuels. Motor fuel compositions of the instant invention may optionally comprise a polyolefin polymer/copolymer component having a molecular weight range of about 500-3500.Type: GrantFiled: January 2, 1987Date of Patent: May 31, 1988Assignee: Texaco Inc.Inventors: Rodney L. Sung, Milton D. Behrens, Michael A. Caggiano, John F. Knifton, John M. Larkin, Robert L. Zimmerman
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Patent number: 4659756Abstract: Fatty ethenoid acylaminoorganosilicon compounds have been found to enhance the surface properties of glass articles. The fatty ethenoid acylaminoorganosilicon compound can be applied as a coating to the glass article's surface either alone or in combination with dispersing agents and organic polymers and/or fatty acids.Type: GrantFiled: August 2, 1985Date of Patent: April 21, 1987Assignee: Union Carbide CorporationInventor: Eric R. Pohl
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Patent number: 4656245Abstract: A functional elastomer in which a viologen unit is introduced into a principal polymeric chain through cationic polymerization by using a bifunctional initiator, said elastomer being represented by the formula ##STR1## wherein X represents polyether and A represents an anion.Type: GrantFiled: March 7, 1986Date of Patent: April 7, 1987Assignee: Sumitomo Electric Industries, Ltd.Inventors: Shinzo Kohjiya, Shinzo Yamashita, Masahiro Irie, Yoshitaka Osawa, Takafumi Uemiya
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Patent number: 4634743Abstract: The invention is a block copolymer useful in the preparation of polyurethanes. The polyether polycarbonate block copolymer comprises(a) the residue of a hydrocarbon or a hydrocarbyloxy hydrocarbon compound containing 3 or more functional groups with active hydrogens;(b) an alkylene polyether, polyamine, polyamide, polyaromatic carbonate, polyester, aromatic polyether, polyimide, polysulfide, polysulfone or polysaccharide block wherein such block is bonded to the residue of each active hydrogen-containing functional group; and(c) a polyether polycarbonate block which comprises ether and carbonate ether units arranged in random order, wherein the polyether polycarbonate blocks are bonded to the blocks defined in (b).Type: GrantFiled: May 6, 1985Date of Patent: January 6, 1987Assignee: The Dow Chemical CompanyInventor: Donald G. Prier
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Patent number: 4620944Abstract: Macromolecular material of ionic conduction constituted by a salt in solution in a polyether. The polyether is polycondensed and/or cross-linked and presents at least two chains connected to each other by a bridge that comprises a silicon, cadmium, boron or titanium atom connected to one of the chains by an oxygen atom.Application to producing electrodes and electrolytes for electrochemical accumulators.Type: GrantFiled: May 29, 1985Date of Patent: November 4, 1986Assignees: Societe Nationale Elf Aquitaine, Hydro-QuebecInventors: Michel Armand, Daniel Muller, Jean-Michel Chabagno
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Patent number: 4615882Abstract: An aqueous anti-microbial disinfectant solution for contact lenses contains an effective amount of an active ingredient which is an anti-microbial, organosilicon quaternary ammonium salt chemically bonded to a water soluble, high molecular weight organic polymer. The solution is non-toxic and non-irritating to the eye, and does not adsorb or penetrate into a contact lens.Type: GrantFiled: May 2, 1985Date of Patent: October 7, 1986Inventor: Richard F. Stockel
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Patent number: 4608416Abstract: Heat-curable surface-coating agents useful not only for application as solvent-containing finishes and for powder coating but also, in their protonated form, for cathodic electrocoating contain, as a binder, a mixture of (A) a polyadduct, polycondensate or other polymer having an average molecular weight M.sub.n of from 500 to 10,000 and, per molecule, on average two or more OH and/or primary and/or secondary amino groups and (B) a reaction product of (a) one or more polyisocyanates, (b) one or more secondary monoamines and, if appropriate, (c) one or more polyalcohols having two or more hydroxyl groups.Type: GrantFiled: March 13, 1985Date of Patent: August 26, 1986Assignee: BASF AktiengesellschaftInventors: Eberhard Schupp, Werner Loch, Rolf Osterloh, Klaas Ahlers