Nitrogen Of Ring Is Bonded Directly Or Indirectly To Extracyclic Ethylenic Moiety Patents (Class 526/263)
-
Patent number: 6248849Abstract: A process for producing a microporous oil sorbent polymer comprising the steps of: dissolving a polyunsaturated monomer in a silicone organic solvent to provide a monomer mixture containing more than 90% by weight polyunsaturated monomer; polymerizing said monomers by precipitation polymerization, under an inert atmosphere to precipitate microporous, micro-particles in the form of micro-particles, agglomerates and aggregates having a bulk density of about 0.02 gm/cm3 to about 0.01 gm/cm3 and capable of adsorbing at least about 20% by weight organic materials based on the total weight of polymer plus adsorbed organic material.Type: GrantFiled: October 30, 1998Date of Patent: June 19, 2001Assignee: AMCOL CorporationInventor: Milan F. Sojka
-
Patent number: 6225429Abstract: A process of making a vinyl caprolactam (VCL)-based polymer which comprises suspension polymerizing the monomers in aqueous medium in the absence of an added protective colloid, wherein polymer formed at an early stage of the polymerization functions as a dispersing agent to maintain polymer particles suspended in water throughout the polymerization.Type: GrantFiled: July 1, 1999Date of Patent: May 1, 2001Assignee: ISP Investments Inc.Inventors: Jui-Chang Chuang, Michael A. Drzewinski
-
Patent number: 6218451Abstract: The present invention relates to the use of a photoreactive and UV absorbing piperidine compound of the formula A below and of a mixture consisting of this piperidine compound and at least one selected UV absorber as light stabilizers in coating materials, preferably in automotive coating materials. The invention also provides a method of stabilizing coating materials against the degradation of the polymer material present in the coating material, as induced by the action of atmospheric oxygen, heat and/or UV light, and the coating materials themselves that are stabilized in this way.Type: GrantFiled: October 12, 1998Date of Patent: April 17, 2001Assignee: Clariant Finance (BVI) LimitedInventors: Karl Bechtold, Gilbert Ligner
-
Patent number: 6218490Abstract: Acrylic copolymers for use as additives for inhibiting paraffin deposition in crude oils, and compositions containing the oils and said additives, are disclosed. Specifically, polymeric additives useful for inhibiting paraffin deposition in and improving the flow properties of crude oils, and compositions containing the crude petroleum oils and said additives, are disclosed. Said additives are essentially alcohol acrylate copolymers comprising 10-50 carbons with special chain distributions, as well as the corresponding 2- and/or 4-vinylpyridine terpolymers.Type: GrantFiled: January 11, 1999Date of Patent: April 17, 2001Assignee: CECA S.A.Inventors: Jean-Francois Brunelli, Stephane Fouquay
-
Patent number: 6201047Abstract: The invention relates to the use of piperidine compounds of the formula I in which R1 is hydroxyl, lower alkyl, lower alkoxy, R2 is a substituted or unsubstituted, mono- or bicyclic radical of aromatic type, R3 is oxygen, —NH— or —N(C1-4-alkyl)- and R8 independently at each occurrence is hydrogen or methyl for preparing light-stabilized, EPDM-modified polypropylene which is employed in particular in automotive construction, such as for shock absorbers, cover strips and the like. A further subject of the invention is the combination of abovementioned piperidine compounds with known UV absorbers. The invention also relates to EPDM-modified polypropylene which contains from 0.05 to 2.5% by weight, preferably from 0.1 to 0.6% by weight, of a radical of a compound of the above formula I, and to products produced therefrom.Type: GrantFiled: February 17, 1998Date of Patent: March 13, 2001Assignee: Clariant Fianance (BVI) LimitedInventors: Lajos Avar, Andreas Thuermer, Gilbert Ligner
-
Patent number: 6201087Abstract: A polymer having the formula wherein M1 and M2 signify monomer units for homo- or copolymers. “x” and “y” indicate the mole fractions of the comonomers, with in each case 0<x≦1 and 0≦y<1 and x+y=1. The symbol “p” signifies 4 to 30,000 and “S1” and “S2” signify spacer units. “Q1” signifies a structural unit of the formula —A—(Z1—B)z—Z2— and “Q2” signifies a structural unit of the formula —A—(Z1—B)zR1. “A” and “B” each independently signify pyridine-2,5-diyl, pyrimidine-2,5-diyl, 1,4—Cyclohexylene,1,3-dioxane-2,5-diyl or optionally substituted 1,4-phenylene.Type: GrantFiled: March 27, 1997Date of Patent: March 13, 2001Assignee: Rolic AGInventors: Rolf Peter Herr, François Herzog, Andreas Schuster
-
Patent number: 6197476Abstract: The present invention provides a cyclic dione polymer, which is a homopolymer or a copolymer of a cyclic dione monomer selected from those represented by formulae (I) and (II) wherein A and B may be the same or different and are independently selected from the group consisting of halogen, hydrogen, C3-20 cyclic or pericyclic alkyl, C1-20 linear and branched alkyl, C6-20 aryl, C7-20 arylalkyl, C7-20 alkylaryl, silyl, alkylsilyl, germyl, alkylgermyl, alkoxycarbonyl, acyl, and a heterocylic group; or, A and B are linked together to form a C3-20 saturated or unsaturated cyclic hydrocarbon group or a substituted or unsubstituted heterocyclic group; C is selected from the group consisting of oxygen, sulfur, wherein each R1 is independently selected from C1-20 alkyl and phenyl.Type: GrantFiled: December 17, 1998Date of Patent: March 6, 2001Assignee: Industrial Technology Research Institute Everlight Chemical Industrial CorporationInventors: Sheng-Yueh Chang, Bang-Chein Ho, Jian-Hong Chen, Ting-Chun Liu, Tzu-Yu Lin
-
Patent number: 6177068Abstract: A cosmetically active oil-in-water (o/w) or water-in-oil (w/o) emulsion, for topical applications comprising (a) the reaction product of a non-aqueous, heterogeneous polymerization of a liquid reaction mixture containing between about 5 and about 70%, preferably 10-40%, by weight, of N-vinylamide monomer in an oil solvent, a free radical initiator, between about 0.1 and about 2.5% by weight of a crosslinking agent and optionally a surfactant, (b) water sufficient to form said emulsion, (c) a cosmetically active hair and/or skin treating chemical or chemical composition and optionally (d) a surfactant.Type: GrantFiled: December 2, 1998Date of Patent: January 23, 2001Assignee: ISP Investments Inc.Inventors: Jenn S. Shih, Jui-Chang Chuang, Krystyna Plochocka
-
Patent number: 6172129Abstract: (Meth)acrylate functional compound which is the reaction product of a cyclic secondary amine and a poly(meth)acrylate having at least three acrylate or methacrylate groups, useful for radiation curable coating or ink composition having low viscosity, low volatility, and high cure rate under radiation. Process of preparing a coating or ink composition using such compound. Radiation cured coating or ink based on such composition. Coated or printed article having such a cured coating or ink based on such composition.Type: GrantFiled: January 29, 1999Date of Patent: January 9, 2001Assignee: Sartomer Technologies, Inc.Inventors: Ming Xin Fan, Gary Ceska, James P. Horgan, Henry C. Miller, Edward A. Jurczak
-
Patent number: 6160035Abstract: The oil base pigment ink composition for writing tools comprising at least a pigment, a basic resin having an amino group and an alcohol base solvent and/or a glycol ether base solvent, wherein the basic resin described above is a resin copolymerized monomers containing at least one of a vinyl monomer having a heterocyclic amino group, a vinyl monomer having an aliphatic primary amino group, a vinyl monomer having an aliphatic secondary amino group or a vinyl monomer having an aliphatic tertiary amino group and has preferably a weight average molecular weight of 50000 or less. The pigment is preferably carbon black, particularly preferably carbon black having a pH of 6 or less.Type: GrantFiled: October 9, 1998Date of Patent: December 12, 2000Assignee: Mitsubishi Pencil Kabushiki KaishaInventor: Hiroyuki Idogawa
-
Patent number: 6136935Abstract: This invention discloses a composition and a method of using the composition to cement a borehole penetrating a subsurface earth formation. The composition, the random polymerization product of two or three different vinyl-containing monomers including a vinylamide morpholine derivative, operates to reduce fluid loss from the cement slurry used to cement the borehole to the subsurface formation.Type: GrantFiled: August 12, 1999Date of Patent: October 24, 2000Assignee: Fritz Industries, Inc.Inventors: Rebecca G. Udarbe, Kim Hancock-Grossi
-
Patent number: 6124415Abstract: What is described herein is a crosslinked polyvinylpyrrolidone (PVPP) copolymer of vinyl pyrrolidone (VP) and monomer derived from 1-vinyl-3-(E)-ethylidene pyrrolidone (EVP).Type: GrantFiled: August 4, 1999Date of Patent: September 26, 2000Assignee: ISP Investment Inc.Inventors: Edward G. Malawer, Victor Kabanov, Kolazi S. Narayanan, Michael A. Tallon, Susan Y. Tseng, Philip F. Wolf
-
Patent number: 6124416Abstract: An aqueous emulsion comprising at least one (co)polymer is provided. The (co)polymer is derived from a monomer having formula (1):(R.sub.1 R.sub.2 C.dbd.CR.sub.3 --CO--L--).sub.q A(--NCOblock).sub.p(1)wherein R.sub.1, R.sub.2, and R.sub.3, which are the same or different, represent a hydrogen or a group selected from hydrocarbon chains comprising 1 to 12 carbon atoms, halogens, and electron-withdrawing functional groups; L, which is the same or different, represents a divalent hydrocarbon radical comprising 2 to 12 carbon atoms; A represents an organic backbone which has n free valencies, n is a number between 2 and 7, and is equal to p+q; NCOblock represents a protected isocyanate functional group; p is a number between 1 and 6; and q is a number between 1 and 6.Type: GrantFiled: February 18, 1999Date of Patent: September 26, 2000Assignee: Rhone-Poulenc ChimieInventors: Michel Desbois, Roland Reeb, Joel Richard, Fran.cedilla.oise Truchet
-
Patent number: 6114463Abstract: The present invention relates to (co)polymers which contain at least one repeating structural chain unit of the general formula (1) and/or (2) and optionally repeating units of the general formula (3) ##STR1## in which L.sup.1 and L.sup.2, independently of each other, represent a photoluminescent grouping, a process for their preparation, their use in electroluminescent devices and the electroluminescent devices.Type: GrantFiled: August 11, 1997Date of Patent: September 5, 2000Assignee: Bayer AGInventors: Yun Chen, Burkhard Kohler, Rolf Wehrmann, Andreas Elschner, Ralf Dujardin
-
Patent number: 6096899Abstract: In one embodiment, the invention provides a polymer comprising imidazole ring units having nitrogen at the 1 and 3 positions of the ring; a carbon at each of the 2, 4 and 5 positions of the ring; and radical substituents G1 and G2 carried at the 4 and 5 positions. G1 and G2 are each independently selected from cyano, substituents derived from cyano, and substituents which replace cyano. The polymers formed by at least two of the cyclic imidazole units. In another embodiment, the invention provides new imidazole compounds usable as monomers to form the polymers. In still another embodiment, the invention provides a method for using the polymers as a coupling/activator for synthon synthesis.Type: GrantFiled: April 14, 1998Date of Patent: August 1, 2000Assignee: The Regents of the University of MichiganInventors: Paul G. Rasmussen, Sarah E. Reybuck, David M. Johnson, Richard G. Lawton
-
Patent number: 6075107Abstract: The use of copolymers ofA) 60-99 mol % of N-vinylpyrrolidone, andB) 1-40 mol % of a monomer selected from the group ofb1) C.sub.8 -C.sub.30 -alkyl esters of monoethylenically unsaturated C.sub.3 -C.sub.8 -carboxylic acids,b2) N-alkyl- or N,N-dialkyl-substituted amides of acrylic acid or of methacrylic acid with C.sub.8 -C.sub.18 -alkyl radicals, orb3) vinyl esters of aliphatic C.sub.8 -C.sub.30 -carboxylic acids, or mixtures of these monomers,as surface-active substances in preparations of water-insoluble substances.Type: GrantFiled: May 7, 1998Date of Patent: June 13, 2000Assignee: BASF AktiengesellschaftInventors: Stephan Kothrade, Helmut Meffert, Gunther Berndl, Axel Sanner, Stefan Stein, Volker Schehlmann, Folker Ruchatz
-
Patent number: 6051670Abstract: A gelling composition and a process for using the gelling composition for oilfield applications are provided. The gelling composition comprises a water-soluble polymer, a crosslinking agent, and a liquid wherein the water-soluble polymer comprises repeat units derived from a nitrogen-containing olefinic monomer and optionally an olefinic comonomer. The gelling composition can be used in drilling fluids, workover fluids, completion fluids, permeability corrections, water or gas coning prevention, fluid loss prevention, matrix acidizing, fracture acidizing, and combinations of any two or more thereof.Type: GrantFiled: December 20, 1995Date of Patent: April 18, 2000Assignee: Phillips Petroleum CompanyInventors: Iqbal Ahmed, Ahmad Moradi-Araghi, Aly-Anis Hamouda, Odd Ivar Eriksen
-
Patent number: 6048522Abstract: A controlled-release, drug-delivery, emulsion composition for topical application comprising (a) the reaction product of the non-aqueous, heterogeneous polymerization of a reaction mixture of about 5-70%, preferably 10-30%, by weight, of a vinyl monomer in an oil as solvent, and a free radical initiator, optionally in the presence of a crosslinking agent and/or a surfactant, wherein the oil solvent is present in an amount sufficient to keep the resultant polymer in a stirrable state throughout the polymerization, (b) water, (c) a surfactant and (d) a pharmaceutical medicament.Type: GrantFiled: July 23, 1998Date of Patent: April 11, 2000Assignee: ISP Investments Inc.Inventors: Krystyna Plochocka, Jui-Chang Chuang, Jenn S. Shih, Anil Menon, Nadhamuni G. Nerella
-
Patent number: 6046290Abstract: The invention provides an optical method which permits, with the aid of 6 simple measurements, a conclusion regarding the suitability of antennas (groups which can absorb electromagnetic radiation) for incorporation into photoaddressable polymers.Type: GrantFiled: August 4, 1997Date of Patent: April 4, 2000Assignee: Bayer AktiengesellschaftInventors: Horst Berneth, Uwe Claussen, Serguei Kostromine, Ralf Neigl, Joachim Rubner, Ralf Ruhmann
-
Patent number: 6028141Abstract: Novel polyfunctonal glyoxylated compounds and compositions containing the same are disclosed which are particularly suitable for use as crosslinking components in curable compositions and also find use in imparting wet adhesion properties to water-based paints and coatings. A process for preparing novel polyfunctional glyoxylated compounds is also disclosed.Type: GrantFiled: June 24, 1997Date of Patent: February 22, 2000Assignee: Cytec Technology Corp.Inventors: Balwant Singh, Laurence Wu-Kwang Chang
-
Patent number: 6025317Abstract: Porous polymers which are in powder form and contain N-vinylimidazole units and which are obtainable by free-radical precipitation polymerization ofa) 5-100% by weight of at least one N-vinylimidazole of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are identical or different and are H, C.sub.1 -C.sub.4 -alkyl, N-vinylaxazolidone, N-vinyltriazole, 4-vinylpyridine N-oxide or mixtures of said monomers,b) 0-95% by weight of other copolymerizable monoethylenically unsaturated monomers andc) 0-50% by weight of at least one monomer with at least two non-conjugated ethylenic double bonds in aqueous solution which contains 0.5-30% by weight of at least one electrolyte and, based on the monomers employed, 0.5-80% by weight of at least one surfactant, a process of the preparation thereof, and the use of the porous polymers.Type: GrantFiled: March 3, 1998Date of Patent: February 15, 2000Assignee: BASF AktiengesellschaftInventors: Stefan Stein, Dieter Boeckh, Christian Schade, Gerhard Rossler
-
Patent number: 6011160Abstract: What is described herein is a crosslinked polyvinylpyrrolidone (PVPP) copolymer of vinyl pyrrolidone (VP) and monomer derived from 1-vinyl-3-(E)-ethylidene pyrrolidone (EVP).Type: GrantFiled: September 18, 1997Date of Patent: January 4, 2000Assignee: ISP Investments Inc.Inventors: Edward G. Malawer, Victor Kabanov, Kolazi S. Narayanan, Michael A. Tallon, Susan Y. Tseng, Philip F. Wolf
-
Patent number: 5990198Abstract: Disclosed is an ink composition which comprises (1) water; (2) an anionic dye; and (3) a copolymer of vinyl pyrrolidinone and a vinyl imidazolium salt. Also disclosed are methods for using the aforementioned ink compositions in ink jet printing processes.Type: GrantFiled: March 24, 1998Date of Patent: November 23, 1999Assignee: Xerox CorporationInventor: William M. Schwarz, Jr.
-
Patent number: 5955566Abstract: Thermosetting polymers with high temperature capability for composite and adhesive applications are disclosed. Inhibitors for improving pot life, gel time and storage stability are disclosed. These polymers are ideally suited for adhesives and RTM, resin film infusion, and prepreg methods to make polymer matrix, fiber reinforced composite parts.Type: GrantFiled: November 13, 1996Date of Patent: September 21, 1999Assignee: Cytec Technology CorporationInventors: Jean Lee, Jack Douglas Boyd, Albert Kuo
-
Patent number: 5945457Abstract: A hemocompatible composition comprising a polymer containing at least one pharmacologic material chemically bonded to a polymer backbone. Such compositions may be obtained by reacting a pharmacologic material with a compound containing a polymerizable group (e.g., an acyl halide) and thereafter either copolymerizing the acylated material with one or more copolymerizable monomers or first irradiating a backbone polymer and thereafter grafting the acylated pharmacologic material onto the irradiated polymer. The resulting products are hemocompatible and may be used in the manufacture of medical devices which come in contact with blood or other bodily fluids. The advantage of chemically bonded pharmacologic materials is that they are not leached out and retain their pharmaceutical effectiveness for a long period of time. The compositions may contain one or more additional pharmacologic materials which are physically admixed with polymers containing bonded pharmacologic materials.Type: GrantFiled: October 1, 1997Date of Patent: August 31, 1999Assignee: A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of ScienceInventors: Nicolai A. Plate, Lev I. Valuev, Lubov D. Uzhinova, Vladimir A. Sinani
-
Patent number: 5929182Abstract: Novel sulfur, oxygen and nitrogen-containing heterocyclic monomers are provided which may be used to produce conductive graft copolymers.Type: GrantFiled: March 20, 1997Date of Patent: July 27, 1999Assignee: Adhesives Research, Inc.Inventor: Michael J. Zajaczkowski
-
Patent number: 5922653Abstract: A composition and a process for using the composition for applications in a subterranean formation are provided. The composition comprises a clay, a polymer, and a liquid. The polymer comprises repeat units derived from a nitrogen-containing olefinic monomer and optionally an olefinic comonomer. The composition can be used as or in drilling fluids, workover fluids, completion fluids, or combinations of any two or more thereof.Type: GrantFiled: October 3, 1996Date of Patent: July 13, 1999Assignee: Phillips Petroleum CompanyInventors: Iqbal Ahmed, Ahmad Moradi-Araghi, Bharat B. Patel, Wayne S. Stewart
-
Patent number: 5912312Abstract: Homogeneous copolymers of 60-99 mole % of vinyl pyrrolidone (VP) and 1-40 mole % 2-methylene-1,3-dioxepane (MDO), preferably 85-95 mole % VP and 5-10 mole % MDO, having a K-value of about 30-50, and a Tg of about 124-138.degree. C., are described herein. The copolymers are hydrolytically degradable in aqueous acid or basic solutions and biodegradable.Type: GrantFiled: May 1, 1998Date of Patent: June 15, 1999Assignee: ISP Investments Inc.Inventors: Yuanzhen Zhong, Philip F. Wolf, Edward G. Malawer, Kolazi S. Narayanan
-
Patent number: 5891971Abstract: A process for the preparation of a resin comprising:heating a mixture of at least one free radical polymerizable monomer, a free radical initiator compound, a stable free radical compound, and a reducing agent.Type: GrantFiled: August 15, 1997Date of Patent: April 6, 1999Assignee: Xerox CorporationInventors: Barkev Keoshkerian, Marion H. Quinlan, Michael K. Georges, H. Bruce Goodbrand
-
Patent number: 5883210Abstract: A gelling composition and a process for using the gellimg composition for oilfield applications are provided. The gelling composition comprises a water-soluble polymer, a crosslinking agent, and a liquid wherein the water-soluble polymer comprises repeat units derived from a nitrogen-containing olefinic monomer and optionally an olefinic comonomer. The gelling composition can be used in drilling fluids, workover fluids, completion fluids, permeability corrections, water or gas coning prevention, fluid loss prevention, matrix acidizing, fracture acidizing, and combinations of any two or more thereof.Type: GrantFiled: September 19, 1997Date of Patent: March 16, 1999Assignee: Phillips Petroleum CompanyInventors: Iqbal Ahmed, Ahmad Moradi-Araghi, Aly-Anis Hamouda, Odd Ivar Eriksen
-
Patent number: 5872200Abstract: A paper coating formulation and a process for making a paper coating formulation having an improved strength and blister resistance including an aqueous medium having dispersed therein a functionally effective amount of a finely divided mineral filler and a latex binder containing copolymerized acid functional and amine functional monomers in each polymer molecule.Type: GrantFiled: July 31, 1997Date of Patent: February 16, 1999Assignee: GenCorp Inc.Inventors: Satish C. Sharma, Charles M. Kausch, Ronald D. Mohan, Raymond J. Weinert
-
Patent number: 5869588Abstract: The invention relates to novel 2-hydroxyphenyltriazines and to homopolymers and copolymers obtainable therefrom, as described in greater detail in claims 1 and 5; the novel compounds can be used as UV absorbers in or for organic materials.Type: GrantFiled: May 29, 1997Date of Patent: February 9, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Vien Van Toan, David George Leppard, Gerhard Rytz, Norbert Wurms, Pascal Hayoz
-
Patent number: 5869032Abstract: Quaternized copolymers suitable as active ingredients in hair styling compositions are obtainable from N-vinylimidazoles, N-vinylcaprolactam, N-vinylpyrrolidone and, if required, further monomers.Type: GrantFiled: March 27, 1997Date of Patent: February 9, 1999Assignee: BASF AktiengesellschaftInventors: Jurgen Tropsch, Axel Sanner, Peter Hossel, Hans-Jurgen Raubenheimer, Christian Schade
-
Patent number: 5863662Abstract: A terpolymer for ink jet recording comprises by weight, 1-99% of a vinyl lactam, preferably vinyl pyrrolidone, 1-99% of a polymerizable carboxylic acid, preferably acrylic acid and 1-99% of 2-carboxyethyl (meth)acrylate, preferably crosslinked with a polyfunctional aziridine, This terpolymer forms water-insoluble coatings on a support such as paper or polyester which are particularly receptive to water-based ink jet printing inks.Type: GrantFiled: May 14, 1996Date of Patent: January 26, 1999Assignee: ISP Investments Inc.Inventors: John C. Hornby, Domingo I. Jon, Jenn S. Shih
-
Patent number: 5856434Abstract: Use in electrooptical switching and display devices of a polymer comprising conjugatively linked chromophore segments whose emission properties are determined by the emission properties of the individual chromophore segments.Electroluminescence devices comprising the polymers of the present invention have, inter alia, a high color purity. The polymers used according to the present invention enable, in particular, blue and white electroluminescence to also be achieved.Type: GrantFiled: February 16, 1996Date of Patent: January 5, 1999Assignee: Hoechst AktiengesellschaftInventors: Roland Stern, Hermann Schenk, Josef Salbeck, Thomas Stehlin, Ullrich Scherf, Klaus Mullen, Gunther Leising
-
Patent number: 5852140Abstract: Disclosed is a process for the preparation of a polymer which comprises effecting bulk polymerization of a mixture of at least one monomer, a free radical polymerization initiator, and a stable free radical agent until from about 10 to about 50 weight percent of the monomer has been polymerized; optionally adding additional free radical initiator; optionally adding a colorant; dispersing with a high shear mixer the aforementioned partially polymerized mixture in water containing a stabilizing component selected from the group consisting of non-ionic and ionic water soluble polymeric stabilizers to obtain a suspension of particles with an average diameter of from about 0.1 to about 10 microns; polymerizing the resulting suspension to form said polymer.Type: GrantFiled: March 25, 1993Date of Patent: December 22, 1998Assignee: Xerox CorporationInventors: Michael K. Georges, Raj D. Patel
-
Patent number: 5840813Abstract: Method for homopolymerization of polyorganosiloxane macromonomers having acryloxy or methacryloxy groups. A miniemulsion of a methacryloxy functional polydimethylsiloxane macromonomer was prepared by mixing the macromonomer with a surfactant(s), and subjecting it to a high shear device. The macromonomer was polymerized in the miniemulsion by using a free radical initiator at high temperature. The amount of unreacted macromonomer is very low.Type: GrantFiled: January 3, 1997Date of Patent: November 24, 1998Assignee: Dow Corning CorporationInventors: Gerald Alphonse Gornowicz, Linda Denise Kennan, Anil Kumar Saxena, Arthur James Tselepis
-
Patent number: 5720888Abstract: A method of flocculating coagulated and/or finely divided suspended matter in aqueous systems comprising adding to the system from 0.005 to 1 weight percent based on the dry weight of the coagulated and/or finely suspended matter of at least one water soluble cationic polymer selected from a water soluble cationic copolymer (I) composed of the polymerization reaction of an N-vinylamide with at least one cationic quaternary amine monomer.Type: GrantFiled: December 16, 1996Date of Patent: February 24, 1998Assignee: BetzDearborn Inc.Inventors: Lawrence Lu Kuo, Roger Yiming Leung
-
Patent number: 5719202Abstract: Polymerizable compounds based on N-acylamido-piperazines are provided. Such compounds have the formula: ##STR1## wherein: R.sup.1, R.sup.2, and R.sup.3 are each independently selected from the group consisting of hydrogen and lower alkyl,B is a linking group selected from the group consisting of carbonyl, sulfonyl, amide, and carboxyl;n is one or zero;R.sup.4 is a radical selected from the group consisting of a higher aliphatic group (i.e. at least four carbon atoms, preferably from about 6 to about 50 carbon atoms), a substituted higher aliphatic group, an alicyclic group, a heterocyclic group a non-benzenoid aromatic group, and a substituted aromatic group. These compounds can be incorporated into a polymerizable composition. The compounds is preferably present in said composition in a major amount on a mole percent basis of th polymerizable monomers. These polymerizable compositions are useful as coatings, particularly in formulations containing a photoinitiator susceptible to ultra-violet radiation.Type: GrantFiled: February 27, 1996Date of Patent: February 17, 1998Assignee: Henkel CorporationInventor: Paul E. Share
-
Patent number: 5719247Abstract: The invention relates to a swellable, solvent-insoluble, tack-free, elastomeric, acrylate microsphere having a shear storage modulus of at least 6.0.times.10.sup.6 Pascals at 23.degree. C. and 1 Hz and a Tg of less than about 0.degree. C., wherein the microsphere comprises the polymerization product of:(a) about 40 to 99.7 equivalent weight % of free radically polymerizable monomer selected from the group consisting of alkyl acrylate esters of non-tertiary alkyl alcohols, the alkyl groups of the alcohols which comprise from about 4 to about 18 carbon atoms, alkyl methacrylate esters of non-tertiary alkyl alcohols, the alkyl groups of the alcohols which comprise from about 4 to about 18 carbon atoms, and mixtures thereof;(b) optionally, about 45 to about 1 equivalent weight % polar monomer copolymerizable with the monomer of element (a); and(c) about 10 to about 0.3 equivalent weight % of a multifunctional crosslinking agent.Type: GrantFiled: July 3, 1996Date of Patent: February 17, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: Joaquin Delgado, Spencer F. Silver
-
Patent number: 5708107Abstract: A water-soluble polymer and a process for using the polymer for applications in a subterranean formation are provided. The polymer comprises repeat units derived from a nitrogen-containing olefinic monomer and optionally an olefinic comonomer. The polymer can be used in drilling fluids, workover fluids, completion fluids, permeability corrections, water or gas coning prevention, fluid loss prevention, matrix acidizing, fracture acidizing, and combinations of any two or more thereof.Type: GrantFiled: December 20, 1995Date of Patent: January 13, 1998Assignee: Phillips Petroleum CompanyInventors: Iqbal Ahmed, Ahmad Moradi-Araghi, Aly-Anis Hamouda, Odd Ivar Eriksen
-
Patent number: 5708106Abstract: Multi-functional vinylbenzyl and vinylphenyl pendant thymine (and uracil) groups are disclosed. The monomers can be used for the production of polymers useful in photoresist and other compositions as a function of the crosslinking reactivity of the pendant groups. Images in polymer are provided by exposure to actinic radiation (e.g., UV), containing such polymer and by solvent removal of non-exposed regions.Type: GrantFiled: May 3, 1996Date of Patent: January 13, 1998Assignee: Polaroid CorporationInventors: J. Michael Grasshoff, Lloyd D. Taylor, John C. Warner
-
Patent number: 5705545Abstract: A compound of formula I for use in stabilizing polymeric material against effects such as light and heat ##STR1## in which R is hydrogen; oxygen; --OH; C.sub.1-24 alkyl; --O--CO--C.sub.1-24 alkyl; --O--CO--C.sub.1-24 alkyl; --O--CO-phenyl or --COR.sub.5 ; where R.sub.5 is --C(R.sub.3).dbd.CH.sub.2, C.sub.1-6 alkyl, phenyl, CO--C.sub.1-24 alkyl, --CO--phenyl, --NR.sub.7 R.sub.8, --CH.sub.2 --C.sub.6 H.sub.5, --CO--OC.sub.1-12 alkyl or --COOH; where R.sub.3 is hydrogen or C.sub.1-4 alkyl; R.sub.7 is hydrogen, C.sub.1-12 alkyl, C.sub.5-6 cycloalkyl, phenyl, phenyl-C.sub.1-4 alkyl or C.sub.1-12 alkylphenyl and R.sub.8 is C.sub.1-12 alkyl or hydrogen,each R.sub.1, independently, is --CH.sub.3 or --CH.sub.2 (C.sub.1-4 alkyl) or both groups R.sub.1 form a group --(CH.sub.2).sub.5 --; andeach R.sub.2, independently, is --CH.sub.3 or --CH.sub.2 (C.sub.1-4 alkyl) or both groups R.sub.2 form a group --(CH.sub.2).sub.5 --.A is --O-- or --N(C.sub.1-4 alkyl)-- or --NH--R.sub.9 is hydrogen or methyl, andR.sub.Type: GrantFiled: October 20, 1995Date of Patent: January 6, 1998Assignee: Clariant Finance (BVI) LimitedInventors: Lajos Avar, Gilbert Ligner
-
Patent number: 5700893Abstract: A water-soluble cationic copolymer comprising a reaction product of N-vinylamide having the general formula: ##STR1## and a cationic quaternary amine having the formula: ##STR2## wherein Y is C(.dbd.O)O(CH.sub.2).sub.n N.sup..sym. R.sup.4 R.sup.5 R.sup.6 X.sup..crclbar., or ##STR3## X.sup..crclbar.,n is 1 to 5; R.sup.1, R.sup.2, R.sup.3 are independently H or C.sub.1 to C.sub.3 alkyl, R.sup.4, R.sup.5, and R.sup.6 are independently C.sub.1 to C.sub.3 alkyl, X is a halide, hydroxyl or alkylsulfate anion.The copolymers of this invention are useful as flocculating agents, and are particularly useful as drainage/retention aids in pulp and papermaking operations.Type: GrantFiled: April 18, 1995Date of Patent: December 23, 1997Assignee: BetzDearborn Inc.Inventors: Lawrence Lu Kuo, Roger Yiming Leung, Kenneth Samuel Williams
-
Patent number: 5693732Abstract: A paper coating formulation and a process for making a paper coating formulation having an improved strength and blister resistance including an aqueous medium having dispersed therein a functionally effective amount of a finely divided mineral filler and a latex binder containing copolymerized acid functional and amine functional monomers in each polymer molecule.Type: GrantFiled: January 8, 1996Date of Patent: December 2, 1997Assignee: GenCorp. Inc.Inventors: Satish C. Sharma, Charles M. Kausch, Ronald D. Mohan, Raymond J. Weinert
-
Patent number: 5681912Abstract: A water-soluble cationic copolymer having the general formula: ##STR1## wherein Z represents --C(.dbd.O)O(CH.sub.2).sub.n N.sup..sym. R.sup.4 R.sup.5 R.sup.6 X.sup..crclbar., --C(.dbd.O)NH(CH.sub.2).sub.n N.sup..sym. R.sup.4 R.sup.5 R.sup.6 X.sup..crclbar., ##STR2## or residual groups of --CH.sub.2 N.sup..sym. (R.sup.4 R.sup.5)CH.sub.2 CH.dbd.CH.sub.2 X.sup..crclbar. or mixtures thereof, and n is 1 to 5; R.sup.1, R.sup.2 and R.sup.3 are independently selected from the group consisting of H or C.sub.1 to C.sub.3 alkyl; R.sup.4, R.sup.5 and R.sup.6 are independently C.sub.1 to C.sub.3 alkyl; and X is a halide, hydroxyl or alkylsulfate anion; and wherein x, y, and q represent molar percents of monomeric units in the copolymer such that q is 1 to 99 mol %, and the molar ratio of x to y is from 0 to 10.The copolymers of this invention are useful as flocculating agents and as drainage/retention aids in pulp and papermaking operations.Type: GrantFiled: September 6, 1995Date of Patent: October 28, 1997Assignee: BetzDearborn Inc.Inventors: Lawrence Lu Kuo, Roger Yiming Leung, Kenneth Samuel Williams
-
Patent number: 5670550Abstract: Anion exchange resins including at least two positively charged sites and a ell-defined spacing between the positive sites are provided together with a process of removing anions or anionic metal complexes from aqueous solutions by use of such resins. The resins can be substituted poly(vinylpyridine) and substituted polystyrene.Type: GrantFiled: June 7, 1995Date of Patent: September 23, 1997Assignee: The Regents of the University of California Office of Technology TransferInventors: Gordon D. Jarvinen, S. Fredric Marsh, Richard A. Bartsch
-
Patent number: 5658981Abstract: A thermoreversible thickener comprising a water-soluble copolymer containing as constituent monomer at least 50% by weight of a vinyl carboxylic ester of a cylic amine or a non-cyclic amine with at least 5 carbons with an alkylene oxide added thereto. The thickener, with a transition temperature which can be easily controlled according to the purpose of application such as coating, rolling oil, adhesives or inks, has a characteristic such that heating the aqueous solution thereof up to a temperature above the transition temperature causes rapid thickening of the solution.Type: GrantFiled: January 24, 1996Date of Patent: August 19, 1997Assignee: Sanyo Chemical Industries, Ltd.Inventor: Tatsuya Ohsumi
-
Patent number: 5652327Abstract: A polymer containing triazine rings that has a molecular weight of 5,000-1,000,000 and that comprises a recurring unit represented by the general formula (I): ##STR1## wherein X.sup.1 and X.sup.2 are each independently S, NR.sup.1 (R is a hydrogen atom, an alkyl group or an aryl group) or O; Y may be an alkylene group, a divalent substituted or unsubstituted aromatic ring group that do not contain chromophore moieties or a group in which said aromatic ring groups are bonded or condensed together; Z is either a spacer group comprising a group represented by --G--(CH.sub.2).sub.n -- (n is an integer of 1-10) or a direct bond (G is S, NR.sup.4 or O, and R.sup.4 is a hydrogen atom, an alkyl group or an aryl group); and A is an organic chromophore moiety in which an electron donative group and an electron attractive group are conjugated via a .pi.-electron system. The polymer is lightproof, forms a thin film of high quality and has a high glass transition point.Type: GrantFiled: February 10, 1995Date of Patent: July 29, 1997Assignee: Hoechst AktiengesellschaftInventors: Wen-Bing Kang, Tsunetoshi Sugiyama, Shizuo Ogura, Yusuke Takano
-
Patent number: 5641846Abstract: Side-group polymers whose permanently shape-anisotropic side groups carry lateral substituents are particularly suitable, owing to their excellent properties, for optical components which can be employed, in particular, in optical data storage and transfer.Type: GrantFiled: September 22, 1995Date of Patent: June 24, 1997Assignee: Bayer AktiengesellschaftInventors: Thomas Bieringer, Uwe Gessner, Dietrich Haarer, Joachim Rubner, Roland Wuttke, Uwe Claussen, Ralf Ruhmann, Horst Berneth, Sergei Kostromin, Ralf Neigl