Inorganic Nonreactive Material Patents (Class 524/566)
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Patent number: 4822721Abstract: Halogen-containing polyacrylate derivatives having the formula: ##STR1## wherein A is a structural unit derived from a copolymeriazable monomer having a double bond; R is ##STR2## wherein each of R.sub.1 and R.sub.2 is a hydrogen atom or a fluorinated methyl group, provided R.sub.1 and R.sub.2 are not hydrogen atoms at the same time, and R.sub.3 is a hydrogen atom or a lower alkyl group; X is a halogen atom or a methyl group; and m is a positive integer, n is 0 or a positive integer, and n/m from 0 to 2, preferably from 0 to 1 are disclosed.Also disclosed are methods for forming a resist pattern by using the halogen-containing polyacrylate derivatives as a resist material.Type: GrantFiled: November 23, 1987Date of Patent: April 18, 1989Assignee: Toyo Soda Manufacturing Co., Ltd.Inventors: Yoshitaka Tsutsumi, Toru Seita, Hideo Shuyama, Kousaburou Matsumura, Kyoko Nakazawa
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Patent number: 4753976Abstract: The rubber composition without formulating a carbon black filler has a remarkably low Mooney viscosity and still is capable of giving a rubber vulcanizate having excellent mechanical properties. The rubber composition comprises, in addition to natural rubber or a diene-based synthetic rubber and a non-carbon inorganic filler, a specific poly(dialkoxysiloxane) terminated at each molecular chain end with a polysulfide linkage-containing group of the formula (RO).sub.3 Si--R.sup.1 --S.sub.x -- R.sup.1 --bonded to the terminal silicon atom, in which R is an alkyl group, e.g. methyl and ethyl, R.sup.1 is a divalent hydrocarbon group, e.g. --CH.sub.2 CH.sub.2 CH.sub.2 13 , and x is a positive integer of 2 to 6 or, typically, 4.Type: GrantFiled: August 22, 1986Date of Patent: June 28, 1988Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Hiroshi Yoshioka, Ichiro Ono, Hitoshi Uehara
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Patent number: 4740546Abstract: An aqueous dispersion of a vinyl copolymer resin is prepared by polymerizing 1 to 15 parts by weight of a polyoxyethylene-containing hydrophilic polymerizable vinyl monomer of which polyoxyethylene moiety has an average molecular weight of 2,000 to 10,000, 99 to 85 parts by weight of at least one specific polymerizable vinyl monomer and 0 to 5 parts by weight of alpha, beta-unsaturated carboxylic acids, salts thereof or anhydrides thereof in an organic solvent, and dispersing the resulting vinyl copolymer resin solution in water.Type: GrantFiled: June 5, 1987Date of Patent: April 26, 1988Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Tsuyoshi Masuda, Zengo Ninomiya
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Patent number: 4722954Abstract: A solid flexible polymeric material is formed by solidifying a water-based latex which contains an inorganic filler. The filler is sand and this may be stabilized in the latex with xanthan gum. The solid material may be a formed or non-foamed layer which may be used as integral carpet backing, as carpet underlay, or as an adhesive for bonding a reinforcing fabric to the back of carpeting.Type: GrantFiled: February 12, 1986Date of Patent: February 2, 1988Inventor: Gerald Hallworth
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Patent number: 4683261Abstract: An acrylonitrile polymer film comprising at least 85 wt. % of acrylonitrile, wherein the difference in the value of the second moment of the broad-line NMR spectrum at 20.degree. C. between the film and the starting polymer powder thereof, or the polymer powder formed by dissolving the film and then precipitating the polymer from the solution, is at least 0.3 Gauss.sup.2 and the infrared dichroic ratio of the nitrile groups satisfies the requirements that 0.4<Ax/Az<0.8, 0.4<Ay/Az<0.8, and 0.8<Ax/Ay<1.25, where Ax and Ay are the absorption intensities of polarized infrared rays oscillating in respective directions parallel to the surface of the film and perpendicular to each other, and Az is the absorption intensity of polarized infrared rays oscillating in the direction perpendicular to the film surface.Type: GrantFiled: May 5, 1986Date of Patent: July 28, 1987Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Akio Inoue, Tsuneaki Tanabe
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Patent number: 4677153Abstract: A method for modifying a rubber having unsaturated bonds, characterized by reacting said rubber with (a) an organic compound (I) having a group represented by the formula --CH.dbd.N-- and (b) an organic acid halide (II) having a group represented by the formula --COX (X is a halogen atom), in the place of a Lewis acid.Type: GrantFiled: March 25, 1986Date of Patent: June 30, 1987Assignee: Nippon Zeon Co., Ltd.Inventors: Shizuo Kitahara, Yoshitsugu Hirokawa, Toshihiro Fujii
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Patent number: 4631309Abstract: Equipment for the exploration and/or production of petroleum and natural gas having elastomeric components have high resistance to materials encountered if the elastomeric components are shaped from a hydrogenated butadiene-acrylonitrile copolymer with a residual double bond content less than 1% and unhydrogenated nitrile groups.Type: GrantFiled: December 6, 1984Date of Patent: December 23, 1986Assignee: Bayer AktiengesellschaftInventors: Joachim Thormer, Friedrich Leibbrandt, Zsolt Szentivanyi, Hartmuth Buding
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Patent number: 4622351Abstract: The physical properties of a rubber-reinforced polymer resin are enhanced by the addition of glass fibers having a diameter which is less than 20 times greater than the volume average particle size of the disperse rubber particles in the reinforced polymer resin.Type: GrantFiled: February 15, 1985Date of Patent: November 11, 1986Assignee: The Dow Chemical CompanyInventor: Dinh P. Van
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Patent number: 4594366Abstract: Connected branch polyols comprising a core segment having a defined molecular weight, one core branch unit directly connected to each end of the core segment, at least one additional branch unit at each end connected directly or indirectly to each core branch unit, and linear polymer segments connected to the branch units are utilized in preparing a wide spectrum of polymer/polyols characterized by superior dispersion stability and viscosity to solids content relationship, the polymer/polyols in turn being employed to prepare polyurethanes having superior performance in flame retardancy tests.Type: GrantFiled: December 7, 1984Date of Patent: June 10, 1986Assignee: Union Carbide CorporationInventors: Glenn A. Taylor, Kenneth L. Hoy
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Patent number: 4587283Abstract: Cement slurries for deep holes, with a content of copolymers which are composed of 5-95% by weight of groups of the formula ##STR1## in which R.sub.1 is hydrogen or methyl,R.sub.2 is C.sub.2 -C.sub.10 -alkylene andMe is ammonium, lithium, sodium or potassium, of 5-60% by weight of groups of the formula ##STR2## in which R.sub.3 is hydrogen, --CH.sub.3 or C.sub.2 H.sub.5 andR.sub.4 is --CH.sub.3 or C.sub.2 H.sub.5, orR.sub.3 and R.sub.4 together are a propylene group which, with incorporation of the radical ##STR3## forms a pyrrolidone radical, and of 0-90% by weight of groups of the formula ##STR4## in which R.sub.6 is hydrogen or methyl andR.sub.7 is carboxamido, carboxyl, cyano or carbomethoxy.These copolymers reduce the water loss of cement slurries which are required for deep holes.Type: GrantFiled: April 3, 1985Date of Patent: May 6, 1986Assignee: Hoechst AktiengesellschaftInventors: Martin Hille, Wolfgang Friede, Heinz Wittkus, Friedrich Engelhardt, Ulrich Riegel
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Patent number: 4566990Abstract: Conductive thermoplastic having high EMI shielding effectiveness comprise a thermoplastic condensation polymer and incorporated therein a synergistic combination of metal flake and conductive metal or metal coated fiber.Type: GrantFiled: October 25, 1983Date of Patent: January 28, 1986Assignee: General Electric CompanyInventors: Nan-I Liu, Roelof van der Meer
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Patent number: 4530954Abstract: The present invention provides a water-based lime dispersion paint comprising a binder, a pulverulent, and one or more adjuvants. The binder comprises a film-forming copolymer of an alkyl acrylate monomer and a nonionic ethylenic monomer. The copolymer is dispersed in an aqueous medium and the dispersion is stable at a basic pH. The nonionic ethylenic monomer is capable of forming a homopolymer having a glass transition temperature in the range of 70.degree. C. to 170.degree. C. The pulverulent material comprises one or more pigments and airy slaked lime having a low hydraulicity index. The adjuvants are stable at a basic pH and include D-sorbitol as a stabilizer.Type: GrantFiled: January 18, 1984Date of Patent: July 23, 1985Assignee: Rhone-Poulenc Specialties ChimiquesInventor: Rene Arpin
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Patent number: 4524170Abstract: An industrial fabric having a plain woven fabric in which the warp and weft are textured, continuous filament, polyester yarns.Type: GrantFiled: September 13, 1983Date of Patent: June 18, 1985Assignee: Milliken Research CorporationInventors: Charles N. Berczi, Karen Hall
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Patent number: 4524174Abstract: The resistance of structural elastomer products, such as bearing blocks, to compressive forces is reduced by incorporating therein a plurality of small, separate, reinforcing elements of relatively hard material. Such materials include crushed rock, concrete, glass or certain slags and small metal pieces. The reinforcing elements are congregated in an interior section or core which is covered by a marginal section substantially free from reinforcing elements.Type: GrantFiled: May 29, 1984Date of Patent: June 18, 1985Assignee: Watson Bowman AssociatesInventor: Stewart C. Watson
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Patent number: 4522958Abstract: Disclosed is an essentially solvent-based, organic, high-solids coating composition containing (A) a film-forming binder system containing a crosslinkable resin having a weight average molecular weight of from about 500 to about 10,000; (B) substantially colorless, substantially inorganic microparticles stably dispersed in the coating composition; and (C) a solvent system for the crosslinkable resin. The inorganic microparticles prior to incorporation in the coating composition range in size from about 1 to about 150 nanometers and are in the form of a sol of the microparticles in which carbon-containing molecules are chemically bonded to the inorganic microparticles at the surface of the microparticles.Type: GrantFiled: September 6, 1983Date of Patent: June 11, 1985Assignee: PPG Industries, Inc.Inventors: Suryya K. Das, William G. Boberski, Paul P. Greigger, James E. Jones, Raymond F. Schappert, Jerome A. Seiner
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Patent number: 4473680Abstract: The resistance of structural elastomer products, such as bearing blocks, to compressive forces is reduced by incorporating therein a plurality of small, separate, reinforcing elements of relatively hard material. Such materials include crushed rock, concrete, glass or certain slags and small metal pieces. The reinforcing elements are congregated in an interior section or core which is covered by a marginal section substantially free from reinforcing elements.Type: GrantFiled: November 30, 1981Date of Patent: September 25, 1984Assignee: Watson Bowman Associates, Inc.Inventor: Stewart C. Watson
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Patent number: 4463125Abstract: Novel rubber compounding ingredients are disclosed. The ingredients, which may be used in a wide variety of rubber compounds having siliceous fillers comprise certain N-substituted melamines which act as silica coupling agents. The melamines bind both to the siliceous filler and to the rubber network to increase the reinforcement effect of the silica. Use of the melamines of the invention reduces the cost of producing the rubber when compared to rubbers containing prior art silica coupling agents.Type: GrantFiled: August 18, 1982Date of Patent: July 31, 1984Assignee: The Goodyear Tire & Rubber CompanyInventor: Frank W. Stuchal
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Patent number: 4431754Abstract: A low viscosity copolymer polyahl dispersion is prepared by polymerizing polymer particles in a polyahl medium, to a first solids concentration and thereafter diluting the dispersion to a second lower solids concentration. The resulting diluted dispersion has a lower viscosity than if the dispersion were prepared directly at the lower solids level. The invention has particular advantage when used with "all acrylonitrile" dispersions. The copolymer polyahl dispersions are useful in the manufacture of urethane and isocyanurate foams.Type: GrantFiled: March 1, 1982Date of Patent: February 14, 1984Assignee: The Dow Chemical CompanyInventor: Dwight K. Hoffman
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Patent number: 4431704Abstract: A rubber composition for use in annular packer elements for blowout preventers is provided which comprises from about 45 to about 55 weight percent of an acrylonitrile-butadiene copolymer; from about 10 to about 15 weight percent of a first admixture further comprising a major amount of colloidal silica and minor effective amounts of coupling agent, curative, lubricant, dispersant, activator and antiscorching agent; from about 30 to about 40 weight percent of a second admixture further comprising a major amount of carbon black and minor effective amounts of a plasticizer, antioxidant and antiozonant; and minor effective amounts of tetraethyl thiuram disulfide and benzothiazyl disulfide.Type: GrantFiled: March 29, 1983Date of Patent: February 14, 1984Assignee: Regal International, Inc.Inventor: Virgil E. Springer
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Patent number: 4414351Abstract: A primer composition for use in the fluidized-bed dip-coating of thermoplastic resin powder, comprising a polymeric compound formed by polymerization of a diene compound, admixed with either magnesium oxide alone or magnesium oxide together with cobalt ion and/or manganese ion.Type: GrantFiled: November 5, 1980Date of Patent: November 8, 1983Assignee: Daicel Ltd.Inventors: Hajime Suzuki, Ikuo Masuda, Masaki Kosaka
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Patent number: 4414396Abstract: Polyhalophthalimidoalkyl-functional carbonates may be employed as fire retardant additives to polymers. Examples of such carbonates are 2-(tetrabromophthalimido)ethyl 2,4,6-tribromophenyl carbonate, 2-(tetrabromophthalimido)ethyl pentabromophenyl carbonate and bis[2-(tetrabromophthalimido)ethyl] carbonate.Polyhalophthalimidoalkyl haloformates, N-(hydroxyalkyl)-polyhalophthalimides, and 2-(hydroxyalkylcarbamyl)-polyhalobenzoic acids are useful as intermediates in the preparation of the carbonates.Type: GrantFiled: January 7, 1982Date of Patent: November 8, 1983Assignee: PPG Industries, Inc.Inventor: Nicodemus E. Boyer
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Patent number: 4401786Abstract: The present invention relates to the use of soluble electrolytes as additive to aqueous dispersions of self-dispersible anionically and/or nonionically hydrophilically modified synthetic materials for the purpose of improving the water resistance and/or blocking resistance of sheet products produced from the dispersions.Type: GrantFiled: January 7, 1980Date of Patent: August 30, 1983Assignee: Bayer AktiengesellschaftInventors: Wolfgang Wenzel, Walter Meckel
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Patent number: 4396740Abstract: The addition of aryl methanamines such as m-xylylenediamine to polymer latices which contain residual acrylonitrile monomer is markedly effective in reducing the measurable free acrylonitrile contents of latices.Type: GrantFiled: May 3, 1982Date of Patent: August 2, 1983Assignee: Borg-Warner Chemicals, Inc.Inventor: Mary E. Wozny
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Patent number: 4395444Abstract: An improved cationic thermosetting latex, coating compositions prepared therefrom, articles coated therewith, and the process for preparing the same are disclosed. Compositions of the instant latices formulated with isocyanate curing agents display improved cure; the improvement residing in selection of surfactants, with particular reference to their gegen-ions, which are used therein.Type: GrantFiled: September 25, 1981Date of Patent: July 26, 1983Assignee: PPG Industries, Inc.Inventors: Suryya K. Das, Charles M. Kania
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Patent number: 4394488Abstract: A process is provided for the production of a mixture of butadiene-acrylonitrile polymer and zinc peroxide which comprises (i) reacting an agitated aqueous mixture of French Process zinc oxide, sulphuric acid and hydrogen peroxide to form an aqueous slurry of a mixture of zinc peroxide and zinc oxide, and (ii) mixing with said slurry a latex of a butadiene-acrylonitrile polymer, followed by coagulating the mixture and recovering and drying the product.Type: GrantFiled: July 20, 1982Date of Patent: July 19, 1983Assignee: Polysar LimitedInventors: Chan J. Kim, Ahti A. Koski
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Patent number: 4390648Abstract: In a rubbery composition in which a silica containing material is utilized as a reinforcing agent, the hysteresis of the rubbery composition is improved by incorporating the silica containing material into the rubbery composition in the form of zinc modified silica. The zinc modified silica provides an improved reinforcing agent which improves the hysteresis of the rubbery composition when the rubbery composition containing the zinc modified silica is cured.Type: GrantFiled: June 11, 1980Date of Patent: June 28, 1983Assignee: Phillips Petroleum CompanyInventor: Carl J. Stacy
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Patent number: 4386185Abstract: Silica-reinforced rubber compositions are prepared employing a mercaptan-substituted phosphonate as a coupling agent. Preparation and use of the mercaptan-substituted phosphonate coupling agent is illustrated using dimethyl 3-mercaptopropylphosphonate and a butadiene/styrene emulsion polymerized copolymer reinforced with a precipitated hydrated silica.Type: GrantFiled: November 5, 1981Date of Patent: May 31, 1983Assignee: Phillips Petroleum CompanyInventors: Gary D. Macdonell, Carl J. Stacy
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Patent number: 4380601Abstract: A cationic thermosetting latex, coating compositions prepared therefrom, and the process for providing a protective coating are disclosed. The thermosetting latex comprises a blocked isocyanate curing agent and a cationic acrylic latex which is prepared by copolymerizing ethylenically unsaturated monomers, at least one of which contains an active hydrogen group, in an acidic medium in the presence of a cationic surfactant, of which the gegen-ion is derived from certain phosphorous-containing acids. Such latices, when formulated into coating compositions, provide corrosion-resistant coatings.Type: GrantFiled: September 25, 1981Date of Patent: April 19, 1983Assignee: PPG Industries, Inc.Inventors: David A. Welsh, Rostyslaw Dowbenko, Suryya K. Das, Charles M. Kania, Roger M. Christenson
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Patent number: 4374223Abstract: An elastic covering for closing off a nozzle outlet area containing at least one nozzle orifice of an ink printing head filled with an aqueous liquid comprising a polar elastomer, a hydrophilic additive, and at least one ingredient selected from the group consisting of cross-linking agents, activators, and accelerators.Type: GrantFiled: April 18, 1980Date of Patent: February 15, 1983Assignees: Olympia Werke AG, Licentia Patent-Verwaltungs-GmbHInventors: Cornelis Van Raamsdonk, Johann Wartusch
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Patent number: 4371655Abstract: Polymer compositions are disclosed that contain finely-divided additives of sulfate glasses and sulfate glass-ceramic materials comprised of potassium sulfate and zinc sulfate as smoke retardant additives. Glass sulfates and glass-ceramic materials comprised of potassium sulfate, zinc sulfate and sodium sulfate produce results superior to those obtained using the potassium sulfate-zinc sulfate binary system. The inclusion of a transition metal sulfate as a component of the sulfate glass or sulfate glass-ceramic material also produces superior results over those resulting from use of the potassium sulfate-zinc sulfate binary glasses and glass-ceramic materials.Type: GrantFiled: December 30, 1981Date of Patent: February 1, 1983Assignee: The B. F. Goodrich CompanyInventor: William J. Kroenke
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Patent number: 4366284Abstract: The disclosed water stopper and water stopping process use an aqueously-swelling water-stopping composition consisting of 10 to 40 weight % of rubber whose main ingredient is reclaimed rubber, 10 to 20 weight % of silicic compound, 10 to 60 weight % of bentonite, and 10 to 40 weight % of plasticizer. The aforesaid water-stopping composition may be extruded into an elongated water stopper with or without a core therein, which water stopper can be inserted into a joint gap or other gap of structural members to stop water at the gap.Type: GrantFiled: January 21, 1981Date of Patent: December 28, 1982Assignee: Hayakawa Rubber Company LimitedInventors: Yoshinobu Ishido, Hideo Tanaka
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Patent number: 4362832Abstract: A molding composition is comprised of (i) a thermoplastic polymer, (ii) glass fibers and (iii) a bis-maleimide, and is useful for the fabrication of a variety of shaped articles, especially for the automotive industry [e.g., radiators, battery casings, fans, etc.].Type: GrantFiled: May 29, 1981Date of Patent: December 7, 1982Assignee: Rhone-Poulenc IndustriesInventor: Jean-Louis Locatelli
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Patent number: 4322329Abstract: The present invention relates to a process for forming a polymeric solution or gel having a viscosity of less than about 50,000 cps which includes the steps of forming a solvent system of an organic liquid and a polar cosolvent, the polar cosolvent being less than about 15 wt. % of the solvent system, a viscosity of the solvent system being less than about 1,000 cps: dissolving a neutralized sulfonated polymer in the solvent system to form a solution, a concentration of the neutralized sulfonated polymer in the solution being about 0.5 to about 20 wt. %, a viscosity of the solution being about 5 to about 5,000 cps; and adding about 1 to about 500 vol. % water to the solution having a viscosity less than about 5,000 cps, the water being immiscible with the solution and the polar cosolvent transferring from the solution phase to the water phase thereby causing the viscosity of said solution to increase by a factor of at least 2 to less than 50,000 cps.Type: GrantFiled: April 3, 1980Date of Patent: March 30, 1982Assignee: Exxon Research & Engineering Co.Inventors: Robert D. Lundberg, Dennis E. O'Brien, Henry S. Makowski, deceased, Robert R. Klein
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Patent number: 4321176Abstract: A method of forming a latex coating composition is disclosed in which there is first formed an aqueous emulsion of liquid droplets of water-insoluble polyol, such as a propylene oxide adduct of bisphenol. A, with the aid of a surfactant, and monoethylenically unsaturated monomers to be copolymerized are incorporated in the polyol emulsion while conditions of elevated temperature and catalysis are maintained to cause polymerization of said monomers in association with said polyol. The polyol is used in an amount of about 1% to about 25%, based on the weight of the materials which are copolymerized, and the monomers desirably include from about 0.5% to about 10% on the same basis of a reactive monomer, such as isobutoxymethyl acrylamide.Type: GrantFiled: January 10, 1980Date of Patent: March 23, 1982Assignee: DeSoto, Inc.Inventors: Kazys Sekmakas, Raj Shah