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| Number | Title | Issue Date |
| 4003963 | Vinyl chloride polymer barrier packaging compositions Blends of vinyl chloride polymers containing no carboxyl groups and about 10 to about 30 percent by weight of an ethylene/vinyl alcohol copolymer containing greater than 50 mole percent of vinyl alcohol therein provided excellent barrier packaging materia... | 01/18/1977 |
| 4002796 | Conditioning of polyolefinic fibers for use in the manufacture of synthetic paper Polyolefinic fibers for use in the manufacture of synthetic paper are rendered readily water-dispersible by pre-treatment with a hydrophilic polymer which is a condensate of polyvinyl alcohol and aliphatic aldehydes containing from 1 to 6 carbon atoms, wh... | 01/11/1977 |
| 3998907 | Rubber-modified dicarboxylic acid imide copolymers Rubber-modified copolymers comprising 5 to 40 weight percent of an elastomer and 95 to 60 weight percent of a copolymer containing 1 to 50 mole percent of an imide derivative of an ethylenically unsaturated dicarboxylic acid monomer and 99 to 50 mole perc... | 12/21/1976 |
| 3997489 | Melt extrudable polyvinyl alcohol compositions Polyvinyl alcohol compositions of improved melt flow characteristics are obtained by the use of extrusion aids comprising a combination of a low molecular weight hydrocarbon oil or wax and a higher molecular weight ethylene homo- or copolymer. The improve... | 12/14/1976 |
| 3997628 | Thermally stable high nitrile resins and method for producing the same The present invention relates to a method for stabilizing thermoplastic nitrile resins against thermal discoloration by the inclusion in the resins of the reaction product of maleic anhydride and polyvinyl alcohol in amounts of from 0.1 to 1.5 parts by we... | 12/14/1976 |
| 3993616 | Alkali metal carboxylic polyelectrolyte solutions with N-methylol crosslinker Water swellable absorbent articles, made from polyelectrolytes, containing free carboxylic groups, together with methods for their preparation, and a composition useful to make said articles are disclosed. The composition contains N-substituted amide comp... | 11/23/1976 |
| 3992487 | Degradable plastics compositions containing a transition metal complexed with a 1,3-dicarbonyl group containing polymer Degradable polymers are obtained by either mixing a conventional thermoplastic polymer and a transition metal containing polymeric product in which the transition metal is bound in complex form through 1,3-dicarbonyl groups attached to the polymeric produ... | 11/16/1976 |
| 3991030 | Process for reducing viscosity of reaction solution containing graft copolymer The viscosity of a solution of graft copolymer resulting from solution graft copolymerization is greatly reduced, and the handling characteristics are improved, by adding water and a suspending agent to the solution to form a suspension. E.g., to a reacti... | 11/09/1976 |
| 3984495 | Shaped products such as fibers and films composed mainly of polyvinyl chloride and polyvinyl alcohol, and further containing an amido-containing polymer, and methods for production thereof New polymeric materials in the form of fibers and films composed of polyvinyl alcohol, polyvinyl chloride and a water-soluble amido-polymer having a portion of the polyvinyl chloride grafted thereon and which contains at least about 80 mole percent amido ... | 10/05/1976 |
| 3976719 | Powder coating compositions comprising a blend of coreactive polymers - II D Powder coating compositions are disclosed which comprise a blend of coreactable, thermosettable copolymers each of which have at least two different functional groups. Ordinarily, these polymers will be qualitatively difunctional, although they may contai... | 08/24/1976 |
| 3976715 | Powder coating compositions comprising a blend of coreactive polymers - IIA Powder coating compositions are disclosed which comprise a blend of coreactable, thermosettable copolymers each of which have at least two different functional groups. Ordinarily, these polymers will be qualitatively difunctional, although they may contai... | 08/24/1976 |
| 3976718 | Powder coating compositions comprising a blend of coreactive polymers - II E Powder coating compositions are disclosed which comprise a blend of coreactable, thermosettable copolymers each of which have at least two different functional groups. Ordinarily, these polymers will be qualitatively difunctional, although they may contai... | 08/24/1976 |
| 3976717 | Powder coating compositions comprising a blend of coreactive polymers - IIC Powder coating compositions are disclosed which comprise a blend of coreactable, thermosettable copolymers each of which have at least two different functional groups. Ordinarily, these polymers will be qualitatively difunctional, although they may contai... | 08/24/1976 |
| 3976716 | Powder coating compositions comprising a blend of coreactive polymers - IIB Powder coating compositions are disclosed which comprise a blend of coreactable, thermosettable copolymers each of which have at least two different functional groups. Ordinarily, these polymers will be qualitatively difunctional, although they may contai... | 08/24/1976 |
| 3975463 | Molded structures containing crystalling polyolefin saponified ethylene vinyl acetate copolymer and carbonyl containing copolymers A resinous composition excellent in processability and gas permeation resistance, which comprises (A) 30 to 98 % by weight of a crystalline polyolefin, (B) 2 to 70 % by weight of a saponified product of an ethylene-vinyl acetate copolymer having an ethyle... | 08/17/1976 |
| 3973071 | Glass fiber material having strength retention in a moist environment Glass fiber filament bundles such as cords for rubber reinforcement are impregnated and coated with an elastomer composition such that the coated cord maintains adhesion and tensile strength even in a moist environment due to the inclusion in the coating ... | 08/03/1976 |
| 3963821 | Method for producing synthetic fiber for paper Method for producing a synthetic fiber substantially comprising dissolving a composition consisting essentially of: A. 5-40 percent by weight of a copolymer consisting of A. 20-80 percent by weight of polyvinyl alcohol, and B. 80-20 percent by weight of acrylonitri... | 06/15/1976 |
| 3962398 | Process for producing heat resistant materials A method for producing fibers and films comprising emulsion polymerizing a polyvinyl alcohol derivative having sulfone or sulfate group with a chlorine-containing vinyl monomer, adding the thus formed emulsion to a matrix of polyvinyl alcohol and then coa... | 06/08/1976 |
| 3959405 | Powder coating compositions comprising a blend of coreactive polymers - III Powder coating compositions are disclosed which comprise a blend of coreactable, thermosettable copolymers one of which has at least two different functional groups while the other is qualitatively monofunctional and quantitatively polyfunctional. Ordinar... | 05/25/1976 |
| 3959406 | Polyelectrolyte composite of polyvinyl alcohol derivatives A polyelectrolyte composite of polyvinyl alcohol derivatives; which comprises: an ionically bonded composite of a partial acetal of polyvinyl alcohol modified with diethoxyethyl trimethyl ammonium ion or a partial aminoacetal of polyvinyl alcohol modified... | 05/25/1976 |
| 3959570 | Application of precipitates of methylene ureas and products obtained A method of manufacture from a predetermined material, especially from a natural fibrous material and/or synthetic fibrous material of an article, in particular a sheet for printing or reproduction, which combines superior qualities of brightness, opacity... | 05/25/1976 |
| 3957908 | Degradable plastics comprising a mixture of a styrene-maleic anhydride copolymer, polyvinyl acetate and an ester of a hemiformal Water-degradable synthetic resin compositions substantially composed of a 3-component mixture of A. one or more copolymers of an alkenic unsaturated monomer and maleic anhydride B. one or more hydrophilic polymers of vinyl esters of lower aliphatic monoca... | 05/18/1976 |
| 3955997 | Semi-solid emulsion coating composition A semi-solid emulsion coating composition which is shapable and fluidizable under shear when contacted to the surface of an article to be coated, and comprising at least an aqueous emulsion; a water-soluble organic solvent; a thixotropy imparting material... | 05/11/1976 |
| 3941857 | Polyvinylchloride/olefin copolymers stabilized with epoxy resin A composition comprising a vinylchloride/olefin copolymer and a small amount of an epoxy resin is provided. The epoxy resin reacts with residual surfactants in the copolymer on heating. Coatings of the composition have satisfactory hot water resistance. C... | 03/02/1976 |
| 3935149 | Fire retardant aqueous emulsion copolymer additives Self-extinguishing polymer compositions are prepared by the intimate admixture of an ordinarily flammable polymer substrate, which may be in the form of an aqueous solution, suspension or most preferably, an emulsion, with an aqueous emulsion or latex of ... | 01/27/1976 |
| 3932689 | Flexible adhesive composition and method for utilizing same and article formed therefrom This invention provides an adhesive composition for use in flexible printed circuits, comprising a phenol-formaldehyde resin, a polyepoxy compound, an acrylonitrile-butadiene copolymer and/or a polyvinylacetal resin, and a styrenic copolymer containing as... | 01/13/1976 |
| 3932692 | Resinious laminates having improved gas permeation and delamination resistance A resin laminate structure comprising a layer of a polyolefin and a layer of an ethylene-vinyl acetate copolymer saponified product having an ethylene content of 25 to 50 mole % and a degree of saponification of at least 96 %, wherein a thermoplastic poly... | 01/13/1976 |
| 3931449 | Resinous laminates having improved gas permeation and resistance to delamination A resin laminate structure comprising a layer of a polymer selected from the group consisting of polyolefins and saponified products of ethylene-vinyl acetate copolymers and a layer of a blend comprising (A) a polyolefin and (B) a saponified product of an... | 01/06/1976 |
