At Least One Solid Polymer Derived From Ethylenic Reactants Only Patents (Class 524/40)
  • Patent number: 5973036
    Abstract: Phase-change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device are disclosed to comprise:(a) from about 0.1% to about 30% of one or more colorants; and(b) from about 0.1 to about 99.9% of one or more reversibly-crosslinked-polymers.Recording is conducted by thermally melting the ink at a temperature above ambient temperature (20.degree. C.) to provide prints that possess high quality images, scratch resistance, abrasion resistance, low-temperature storage stability and flexibilty, offset and pick resistance, adhesion, and other desired properties. Components other than those listed above may be included in the ink compositions to achieve specific printer, substrate, or end use requirements. Furthermore, the present invention also includes methods for the preparation of reversibly-crosslinked-polymers and for their use in the above-described inks.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: October 26, 1999
    Assignee: Westvaco Corporation
    Inventors: Michael D. Matzinger, Robert P. Rodebaugh
  • Patent number: 5844023
    Abstract: A biologically degradable polymer mixture is proposed which consists essentially of starch and at least one hydrophobic polymer. The hydrophobic polymer is in this connection at least substantially biologically degradable and thermoplastically processable and the mixture with the starch comprising a polymer phase mediator or a macromolecular dispersing agent so that the starch is present in the mixture as disperse phase with the hydrophobic polymer as continuous phase, and the phase mediator or the dispersing agent is responsible for the molecular coupling of the two phases. As starch there is preferably used thermoplastic starch which has been prepared substantially with the exclusion of water by means of sorbitol or glycerol. The production of the biologically degradable polymer mixture is also carried out substantially with the exclusion of water.
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: December 1, 1998
    Assignee: Bio-tec Biologische Naturverpackungen GmbH
    Inventor: Ivan Tomka
  • Patent number: 5804617
    Abstract: This invention relates to a molded object prepared from a copolyester having an inherent viscosity of 0.4 to 1.1 dL/g,wherein the acid component comprises repeat units from 90 to 40 mole % terephthalic acid and from 10 to 60 mole % of one or more additional dibasic acids selected from the group consisting of isophthalic acid, cyclohexanedicarboxylic acid, naphthalenedicarboxylic acid, diphenyldicarboxylic acid, and stilbenedicarboxylic acid;wherein the glycol component comprises repeat units from 1,4-cyclohexanedimethanol.
    Type: Grant
    Filed: February 20, 1997
    Date of Patent: September 8, 1998
    Assignee: Eastman Chemical Company
    Inventors: Douglas Claire Hoffman, Thomas Joseph Pecorini, James Palmer Dickerson, Joseph Alexander DeLoach
  • Patent number: 5698612
    Abstract: The present invention provides thermoplastically workable and completely biodegradable moulding compositions, a process for the preparation thereof and the use thereof as biodegradable materials for the production of, for example, injection-moulded parts, films, fibres or coatings.
    Type: Grant
    Filed: December 11, 1996
    Date of Patent: December 16, 1997
    Assignee: Bayer Akteingesellschaft
    Inventors: Joachim Simon, Hanns Peter Muller, Dirk Jacques Dijkstra, Jurgen Engelhardt, Volkhard Muller, Gunter Weber
  • Patent number: 5684068
    Abstract: The present invention, in certain embodiments discloses an insulation composition including polyvinyl alcohol cooked without an acidic medium and cellulose fibers combined with an acidic medium for spray-on insulation. In certain embodiments cellulose fibers and acidic solids are ground together. In one aspect the acidic medium is solid boric acid. In another aspect liquid boric acid is sprayed onto the fibers Systems are disclosed for introducing the fiber acidic composition into a first hose of a spray nozzle while introducing polyvinyl alcohol into a second hose of the spray nozzle. In another aspect an acrylic resin is mixed with the polyvinyl alcohol.
    Type: Grant
    Filed: July 31, 1995
    Date of Patent: November 4, 1997
    Assignee: International Cellulose Corp.
    Inventors: Harold F. Boyer, Steven A. Kempe, William F. Boyer
  • Patent number: 5668273
    Abstract: This invention provides certain carboxymethyl cellulose (CMC) esters of higher acids (e.g., CMC acetate propionate, CMC propionate, CMC acetate butyrate, and CMC butyrate). These new ether derivatives of cellulose esters exhibit solubility in a wide range of organic solvents, compatibility with a variety of resins, and ease of dispersion in a water-borne formulation and are useful in coating compositions as binder resins and theology modifiers.
    Type: Grant
    Filed: January 29, 1996
    Date of Patent: September 16, 1997
    Assignee: Eastman Chemical Company
    Inventors: John Michael Allen, Alan Kent Wilson, Paul Lee Lucas, Larry Gerald Curtis
  • Patent number: 5656682
    Abstract: According to the present invention there is provided a composition as obtained from a melt comprising a starch ester and a cellulose ester. The starch ester and cellulose ester may be of the kind obtained by reaction of a mixed acid anhydride with the polysaccharides. The invention further provides the composition when shaped into articles, and the melt from which the composition is obtained.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: August 12, 1997
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Stephen Rimsa, Paul Tatarka
  • Patent number: 5599858
    Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, molded objects, and films prepared therefrom.
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: February 4, 1997
    Assignee: Eastman Chemical Company
    Inventors: Charles M. Buchanan, Robert M. Gardner, Matthew D. Wood, Alan W. White, Steven C. Gedon, Fred D. Barlow, Jr.
  • Patent number: 5412139
    Abstract: A dispersing agent for use in a thermosetting composition, a thermosetting composition containing said dispersing agent, and application thereof to thermosetting composition having no yield point. The dispersing agent acting on mineral fillers and used in filled acrylic or polyester resin-based thermosetting compositions belongs to the family of organophosphates corresponding to the general formula: ##STR1## where: A is a branched or unbranched polyaryl group,x and y are whole numbers between 0 and 100 such that x+y is a whole number greater than 40 but not greater than 100, ##STR2## B and E are independently a branched or unbranched polyaryl group, or an alkyl, aryl, arylalkyl, alkylaryl, alkanoyl, or amine radical, and in B and E, and R.sub.1 and R.sub.2 may be identical or different, x1, y1, x2 and y2 are whole numbers, and the sums x1+y1 and x2+y2 are not greater than 100.
    Type: Grant
    Filed: January 14, 1992
    Date of Patent: May 2, 1995
    Assignee: Coatex, S.A.
    Inventors: Pierre Blanchard, Jean-Bernard Egraz, Georges Ravet
  • Patent number: 5334638
    Abstract: A stable aqueous dispersion and process for making the dispersion are provided containing hydrolyzed cellulose ester, organic solvent, water and acrylic resin having free acid functionalities that are at least partially neutralized. The dispersion is useful in coatings and can also contain surfactant and cross-linking agent.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: August 2, 1994
    Assignee: Eastman Chemical Company
    Inventors: Chung M. Kuo, Larry G. Curtis, Paul L. Lucas
  • Patent number: 5331027
    Abstract: The lubricious hydrophilic coatings of the invention are significantly more lubricious when wet than when dry, are adherent to a variety of substrates, and are resistant to removal by wet abrasion. In one embodiment, the coatings include a hydrophilic polyolefin such as polyvinyl-pyrrolidone and a water-insoluble stabilizing polymer such as a cellulose ester. The coatings may also include an adherent polymer and a plasticizing agent. The coating may be applied by preparing a solution of the stabilizing polymer and a solution of the hydrophilic polyolefin, and coating the substrate first in one then the other. Alternatively, both the stabilizing and hydrophilic polymers may be dissolved in a single solvent system and applied to the substrate in a single step. In another embodiment, only a solution of a hydrophilic polyolefin is applied directly to the substrate.
    Type: Grant
    Filed: May 25, 1993
    Date of Patent: July 19, 1994
    Assignee: Sterilization Technical Services, Inc.
    Inventor: Richard J. Whitbourne
  • Patent number: 5321063
    Abstract: A powder coating material for providing a crepe-like coating having a uniformly and densely distributed superior anesthetic appearance and having a high corrosion resistance, is capable of forming color distinct ridges and valleys in the wrinkle profile of the coating layer. The powder coating material consists of a co-milled powdery product, of which the particle sizes are not higher than 105 .mu.m, and which is composed of (A) 95-99.5 parts by weight of a first resin component comprising a thermosetting resin which is solid at room temperature and (B) 5-0.5 parts by weight of a second resin component comprising a thermosetting resin which is solid at room temperature and contains 3-8% by weight of a cellulose ester. The powder coating material is prepared by co-milling pelletized resin products of the components (A) and (B).
    Type: Grant
    Filed: May 19, 1992
    Date of Patent: June 14, 1994
    Assignee: Nippon Oil and Fats Co., Ltd.
    Inventors: Eiji Shimada, Kenzo Maeda, Shingo Okamoto
  • Patent number: 5302637
    Abstract: There are provided novel miscible blend compositions comprising (a) a cellulose ester and (b) a vinylphenol containing polymer. The blends do not exhibit large scale phase separation and provide properties which are essentially intermediate between those of either cellulose ester or vinylphenol containing polymers. The blends are useful for both molded and film applications as well as for coatings.
    Type: Grant
    Filed: July 22, 1992
    Date of Patent: April 12, 1994
    Assignee: Eastman Kodak Company
    Inventors: Christine J. T. Landry, David M. Teegarden, Kevin J. Edgar, Stephen S. Kelley
  • Patent number: 5292783
    Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic aromatic copolyesters and/or polymeric compounds as well as fibers, molded objects, and films prepared therefrom.
    Type: Grant
    Filed: November 21, 1991
    Date of Patent: March 8, 1994
    Assignee: Eastman Kodak Company
    Inventors: Charles M. Buchanan, Robert M. Gardner, Matthew D. Wood, Alan W. White, Steven C. Gedon, Fred D. Barlow, Jr.
  • Patent number: 5286768
    Abstract: An aqueous coating composition is provided containing up to 50 weight percent, based on the total solids, of a cellulose mixed ester and a compatible amine neutralized acrylic resin.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: February 15, 1994
    Assignee: Eastman Kodak Company
    Inventor: Kenneth R. Walker
  • Patent number: 5276075
    Abstract: An aqueous emulsion of an acrylic polymer having a glass transition temperature between 0.degree. C. and 20.degree. C., glitter, and an associative thickener which does not destabilize the glitter comprising a hydrophobically-modified cellulosic polymer, wherein after the composition is applied onto a substrate and cured, it remains dimensionally stable, flexible, and exhibits a gloss of at least 50 after at least one washing.
    Type: Grant
    Filed: October 30, 1991
    Date of Patent: January 4, 1994
    Assignee: Binney & Smith Inc.
    Inventor: Andree F. Santini
  • Patent number: 5221702
    Abstract: A composite paving block formed from desired proportions of asphalt, plastic such as polyethylene or phenolic resin, elastomeric material such as rubber or polyvinylchloride, and fibre material such as nylon or rayon, is disclosed. Recycled or reclaimed materials such as reclaimed asphalt, recycled polyethylene bottles, and recycled tires may be used. The materials are heated and blended together into a relatively uniform mixture of composite material. The composite material is further heated and is then molded into individual paving blocks, which exhibit a property of very high compressive strength.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: June 22, 1993
    Assignee: Enviropaver Inc.
    Inventor: Denis C. Richards
  • Patent number: 5130352
    Abstract: Mouldable filled polyethylene compositions containing particulate lignocellulosic fillers are disclosed. The compositions contain 0-89.97% (by weight of the composition) of polyethylene, 0.01-89.99% (by weight of the composition) of grafted polymer, 10-60% (by weight of the composition) of particulate lignocellulosic material and 0.02-20% (by weight of the composition) of boric acid and/or borax. The boric acid and/or borax is added to suppress odor during manufacture and processing of the compositions. The compositions may be formed into moulded articles e.g. containers and the like.
    Type: Grant
    Filed: May 16, 1991
    Date of Patent: July 14, 1992
    Assignee: Canadian Forest Products Ltd.
    Inventor: Suezone Chow
  • Patent number: 5073581
    Abstract: Spinnable dopes containing fiber-forming polymers being at least about 55% and less than about 80% lyotropic polysaccharide and at least about 20 percent and less than about 45% thermally-consolidatable polymer and a process for making oriented, shaped articles of lyotropic polysaccharide/thermally-consolidatable polymer blends by orienting the dopes and removing the solvent.
    Type: Grant
    Filed: March 7, 1991
    Date of Patent: December 17, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Carmen A. Covelli, E. Renee Perusich
  • Patent number: 5070121
    Abstract: The invention concerns a solvent-free, polymerizing hotmelt substance free of, or low in monomers, for corrosion- and/or abrasion proofing and/or forming a protective film with barrier properties on a real substrates and molded bodies made of metal, plastic, cellulose materials and/or inorganic materials, in particular for wrapping purposes, and consisting of(a) one or more polymerizing polymers containing hydroxyls with an average molecular weight (M.sub.w) between 1,000 and 500,000 and with a glass transition temperature (T.sub.g).gtoreq.20.degree. C., and/or(b) one or more polymerizing, linear, unbranched and/or unbranched polyesters and/or their copolymers with an average molecular weight (M.sub.w) between 900 and 50,000 and with a glass transition temperature (T.sub.g).gtoreq.-50.degree. C.
    Type: Grant
    Filed: April 25, 1989
    Date of Patent: December 3, 1991
    Assignee: Schmalbach Lubeca AG
    Inventors: Rudolf Hinterwaldner, Georg Bolte
  • Patent number: 5011874
    Abstract: Improved cellulose ester-polymer combinations contain a cellulose ester A and at least one polymerized monomer B of the following formula ##STR1## wherein the substituents have the meaning given in the description and wherein the particles of the combinations are essentially 0.1 to 10 mm in size.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: April 30, 1991
    Assignee: Wolff Walsrode Aktiengesellschaft
    Inventors: Lutz Hoppe, Wolfgang Koch, Erhard Luhmann, Michael Piepho
  • Patent number: 5009812
    Abstract: As a result of the action of electron acceptors, for example chlorine, bromine and/or iodine, on compositions containing a linear, branched or structurally crosslinked polymer and an unsubstituted or substituted tetrathionaphthalene, tetraselenonaphthalene, tetratelluronaphthalene, tetrathiotetracene, tetraselenotetracene or tetratellurotetracene, electrical conductivity is imparted to the compositions through the formation of charge-transfer complexes. These compositions are suitable for the production of mouldings, filaments, fibres, coatings and composite materials which have an antistatic finish or are electrically conducting.
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: April 23, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Jurgen Finter, Bruno Hilti, Carl W. Mayer, Ernst Minder, Josef Pfeifer
  • Patent number: 4990404
    Abstract: An invention is a chemical process for complete destruction and safe disposition of hazardous organic chemicals carbonaceous chemicals. The invention also comprises the process for production of an inert polymer formed essentially of Carbon and Sulfur, and also comprises the new inert polymer, itself and articles made of the new polymer. This new polymer has many of the properties of refractory materials and is an inert non-inflammable cross-linked polymer that is relatively insoluble in all generally known solvents. In the process of the invention, a carbonaceous chemical and Sulfur is heated, in an atmosphere of Nitrogen at 500.degree. to 1500.degree. C. Waste gases including sulfur and sulfides are condensed, scrubbed and the sulfur recycled. The solids residue when analyzed by a mass spectrometer contains less than one (1) part per million (1 ppm) of unreacted organic chemical.
    Type: Grant
    Filed: October 2, 1989
    Date of Patent: February 5, 1991
    Assignee: Sultech, Inc.
    Inventor: Harold W. Adams
  • Patent number: 4970247
    Abstract: Improved cellulose ester dispersions in the aqueous phase contain dispersed particles which contain cellulose esters, a polymerized monomer A having a polymerizable double bond and a polymerized monomer B having at least two polymerizable double bonds.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: November 13, 1990
    Assignee: Wolff Walsrode Aktiengesellschaft
    Inventors: Lutz Hoppe, Wolfgang Koch, Erhard Luhmann, Michael Piepho
  • Patent number: 4946932
    Abstract: A method of preparing water-dispersed polymer blends, comprising the steps of:(i) preparing an aqueous polymerization mixture by adding to water, a sulfonate group-containing polyester or polyesteramide, one or more .alpha.,.beta.-unsaturated monomers and a polymerization initiator; and(ii) polymerizing said polymerization mixture to provide said water-dispersed polymer blend.Also disclosed is an aqueous dispersion of a polymer blend, comprising an aqueous dispersion having a solids content of about 30% to 65% of a polyester or polyesteramide blend comprising a sulfonate group-containing polyester or polyesteramide and a polymer comprising repeat units from one or more .alpha.,.beta.-unsaturated monomers.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: August 7, 1990
    Assignee: Eastman Kodak Company
    Inventor: Waylon L. Jenkins
  • Patent number: 4876296
    Abstract: A method and composition employing microencapsulated thickeners for providing controlled thickening of thermosetting resins, including sheet molding compositions.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: October 24, 1989
    Assignee: Olin Corporation
    Inventors: J. Stanley Miller, Thomas J. Bowles
  • Patent number: 4873270
    Abstract: A substance based on polyurethane from which biodegradable materials can be obtained by rolling comprises, as well as a polyurethane resin serving as its essential constituent, a carbohydrate, at least one second thermoplastic polymer which is miscible in the molten state with the polyurethane resin and/or at least one third biodegradable polymer chosen from among biodegradable aliphatic polyesters, preferably of the same nature as the polyurethane resin used.
    Type: Grant
    Filed: February 9, 1988
    Date of Patent: October 10, 1989
    Assignee: Charbonnages De France
    Inventors: Jean-Marc Aime, Georges Mention, Andre Thouzeau
  • Patent number: 4812495
    Abstract: Disclosed are anaerobic adhesive compositions which cure under anaerobic conditions, said compositions being comprised of at least one carboxylated cellulose ester such as carboxylated cellulose acetate butyrate or carboxylated cellulose acetate propionate, at least one acrylate monomer, and at least one hydroquinone-based stabilizer. The composition can optionally contain an accelerator.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: March 14, 1989
    Assignee: Eastman Kodak Company
    Inventor: I. Daniel Sand
  • Patent number: 4801632
    Abstract: Thermoplastic moulding materials consisting of(1) 70 to 99.9% by weight of a cellulose ester or cellulose mixed ester(2) 0.1 to 30% by weight of a rubber polymer built up in the form of blocks from recurring structural units (I) with molecular weights of 10,000 to 1,000,000--A--B-- IwhereinA denotes bifunctional polysiloxane segements of the formula--(R.sup.1)(R.sup.2)SiO--.sub.x IIin whichR.sup.1 and R.sup.2 =aryl (in particular phenyl) or alkyl (in particular methyl) andx is a number such that the molecular weight is .gtoreq.500, andB denotes bifunctional aliphatic polyester and/or aliphatic polyester segments with molecular weights of .gtoreq.800,and the glass transition temperatures of the polymeric blocks A and B are less than 20.degree. C., which contains additionally(3) 0 to 30% by weight based on the mixture of (1) and (2) of a plasticizer.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: January 31, 1989
    Assignee: Bayer Akteingesellschaft
    Inventors: Herbert Eichenauer, Christian Lindner, Friedemann Muller, Hartwig Hocker, Helmut Keul
  • Patent number: 4772646
    Abstract: The present invention relates to a liquid suspension of a high molecular weight, water-soluble polymer or water-soluble salt prepared by admixing and water-soluble polymer with a hydrocarbon carrier fluid and a suspending agent comprising an aqueous emulsion of a copolymer comprising a water-insoluble and substantially hydrocarbon-insoluble polymer consisting of particles having a dry weight average particle size of below 10 .mu.m and which is formed from monomers of which 80% to 100% are hydrophobic, 30 to 100% are polar and 0% to 20% are hydrophilic. More particularly, the copolymer comprises from about 80% to about 100% C.sub.1-30 alkyl methacrylate monomers and from about 0% to about 20% hydrophilic monomers. Preferably, the copolymer comprises 90% to 100% 2-ethylhexylacrylate and from about 0.5% to about 10% acrylic acid. The liquid suspension is capable of supporting about 5 pounds of water-soluble polymer per gallon of suspension.
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: September 20, 1988
    Assignee: Halliburton Company
    Inventors: Weldon M. Harms, Lewis R. Norman
  • Patent number: 4746691
    Abstract: A colored opacified plastic material containing an organic binder, at least one pigment, a hydrophilic polymerizable plastic material and a cross linking agent is disclosed together with a method of making the same.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: May 24, 1988
    Assignee: Color Optics, Ltd.
    Inventor: Ari Fuhrman
  • Patent number: 4740541
    Abstract: A coating composition is disclosed which comprises a methacrylic resin, a cellulose acetate butyrate resin, a solvent and optionally a slip additive. Polyvinyl chloride coated with this composition is resistant to the transfer of copier print.
    Type: Grant
    Filed: May 29, 1987
    Date of Patent: April 26, 1988
    Assignee: Borden, Inc.
    Inventor: David R. Morse
  • Patent number: 4727099
    Abstract: A coating composition containing a film forming binder and a carrier for the binder; wherein the binder consists essentially of(1) a reactive polyurethane of the formula ##STR1## where R is a divalent or trivalent aliphatic or cycloaliphatic group,R.sup.1 is an alkyl group having 1-4 carbon atoms, n is 2-3;(2) a hydroxy containing polymer having a hydroxyl number of 50-200 and having pendent ester groups;(3) an organo metallic alkylate catalyst selected from the group of an aluminum alkylate, zirconium alkylate, titanium alkylate or mixtures thereof.The composition can be applied by conventional techniques such as spraying and can be cured at relatively low baking temperatures.
    Type: Grant
    Filed: August 15, 1986
    Date of Patent: February 23, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Joseph A. Vasta
  • Patent number: 4727100
    Abstract: A coating composition useful as an exterior for automobiles and trucks and as a refinish composition containing a film forming binder and a carrier for the binder; wherein the binder contains(1) a reactive component of the formula ##STR1## where R is a divalent or trivalent aliphatic or cycloaliphatic group,R.sup.1 is an alkyl group having 1-4 carbon atomsn is 2-3(2) a hydroxy containing acrylic polymer having drying oil fatty acid moieties and a hydroxyl number of 20-500 and(3) an organo metallic alkylate selected from the group of an aluminum, titanium, zirconium alkylate, or mixtures thereof.The composition can be applied by conventional techniques such as spraying and cures at ambient temperatures or can be baked at relatively low temperatures.
    Type: Grant
    Filed: August 15, 1986
    Date of Patent: February 23, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Joseph A. Vasta
  • Patent number: 4650821
    Abstract: The present invention relates to a novel acrylic composition, novel acrylic castings prepared therefrom, and a novel process for the preparation of the acrylic castings. The composition comprises methyl methacrylate, about 0.5 to 20% by weight of a carboxylated cellulose ester, and about 1 to 100 ppm of a vanadium promoter. Optionally, a heat dissipative material, such as a plasticizer or an additional monomer, can also be employed. In accordance with the process of the present invention, an acrylic monomer comprising methyl methacrylate is combined with about 0.5 to 20% by weight of a carboxylated cellulose ester so as to form an easily pourable syrup, about 1 to 100 ppm of a vanadium promoter is added to the syrup and the resulting solution is poured into a suitable mold, and the solution is cured at room temperature so as to form a hard acrylic casting.
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: March 17, 1987
    Assignee: Eastman Kodak Company
    Inventor: Donald R. Leonard
  • Patent number: 4638025
    Abstract: A colored opacified plastic material containing an organic binder, at least one pigment, a hydrophilic polymerizable plastic material and a cross linking agent is disclosed together with a method of making the same.
    Type: Grant
    Filed: April 17, 1985
    Date of Patent: January 20, 1987
    Assignee: Color Optics, Ltd.
    Inventor: Ari Fuhrman
  • Patent number: 4603160
    Abstract: The present invention relates to a novel acrylic composition, novel acrylic castings prepared therefrom, and a novel process for the preparation of the acrylic castings. The composition comprises methyl methacrylate, about 0.5 to 20% by weight of a carboxylated cellulose ester, and about 1 to 100 ppm of a vanadium promoter. Optionally, a heat dissipative material, such as a plasticizer or an additional monomer, can also be employed. In accordance with the process of the present invention, an acrylic monomer comprising methyl methacrylate is combined with about 0.5 to 20% by weight of a carboxylated cellulose ester so as to form an easily pourable syrup, about 1 to 100 ppm of a vanadium promoter is added to the syrup and the resulting solution is poured into a suitable mold, and the solution is cured at room temperature so as to form a hard acrylic casting.
    Type: Grant
    Filed: July 1, 1985
    Date of Patent: July 29, 1986
    Assignee: Eastman Kodak Company
    Inventor: Donald R. Leonard
  • Patent number: 4598111
    Abstract: Multilayer coatings having at least one base coating containing pigments and at least one transparent top coating are applied from coating compositions on the substrates and cured together. The coating composition contains:(a) a film-forming synthetic resin;(b) an organic solvent in which the synthetic resin is soluble; and(c) polymer microparticles having polar and/or ionic groups on their surfaces and a diameter of about 0.01 to 5 microns obtained by emulsion polymerization of ethylenically unsaturated monomers, these monomers having a portion comprising 2 or more double bonds per molecule and the microparticles are insoluble in the solution of (a) and (b).The base coat(s) have (d) pigments and the top coats are free of pigments.
    Type: Grant
    Filed: September 4, 1984
    Date of Patent: July 1, 1986
    Assignee: Glasurit America, Inc.
    Inventors: Howard J. Wright, David P. Leonard, Roger A. Etzell
  • Patent number: 4576981
    Abstract: The invention relates to an adhesive composition which is suitable for use on a shaped part of polyester, in particular a polyester film, and comprises a copolyester, optionally in combination with light-sensitive substances, fillers and pigments, whereby the copolyester additionally contains at least one copolymer of vinylidene chloride, preferably in a weight ratio of about 3:1 to 1:1. The adhesive composition can furthermore contain cellulose acyl esters, such as low molecular-weight cellulose acetobutyrate or cellulose propionate. Polybasic oxycarboxylic acids and levelling agents can also be present. The adhesive composition can be employed in mixtures with, for example, light-sensitive lacquer systems.
    Type: Grant
    Filed: April 25, 1984
    Date of Patent: March 18, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Manfred Hilger, Gunter Hultzsch, Roman Keiper
  • Patent number: 4555535
    Abstract: A coating composition in which the binder contains the following:(1) an acrylic polymer having pendent hydroxyl containing ester groups of ester group A of the formula ##STR1## and ester group (B) which is either ##STR2## or wherein R.sup.1 is a saturated hydrocarbon group having 2-4 carbon atoms, R.sup.2 is a tertiary hydrocarbon group having 8 through 10 carbon atoms; and(2) an aliphatic, aromatic or cycloaliphatic polyisocyanate;The composition can be used as an unpigmented clear finish or can contain convention pigments and be used as a colored finish. The composition is useful for refinishing trucks and automobiles and as an original finish for trucks, automobiles, boats, outdoor equipment and the like since the resulting finish in glossy, durable and weatherable.
    Type: Grant
    Filed: March 7, 1984
    Date of Patent: November 26, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Milan B. Bednarek, Eric C. Houze
  • Patent number: 4551492
    Abstract: A polyester composition in organic solvents with about 40% polyester, 26% melamine crosslinker and 16% cellulose acetate butyrate provides a coating composition with 18% binder solids.
    Type: Grant
    Filed: December 27, 1984
    Date of Patent: November 5, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Armand Aerts
  • Patent number: 4546133
    Abstract: Compositions and methods are provided for forming a coated wood product having the appearance and texture of wood grain, which conceals joints on the wood surface and which is capable of accepting conventional wood stain.
    Type: Grant
    Filed: December 30, 1983
    Date of Patent: October 8, 1985
    Assignee: DG Shelter Products
    Inventor: Carroll W. Cope
  • Patent number: 4532277
    Abstract: Contact lenses and implants for human medicine can be fabricated from a polymer blend comprising 98-80% by weight of component A and 2-20% by weight of component B wherein:component A is a cellulose ester of an aliphatic carboxylic acid with up to 40% by weight of total component A of an ethylene/vinyl acetate copolymer having 30-98% by weight, relative to ethylene/vinyl acetate, of incorporated vinyl acetate andcomponent B is a homopolymer or copolymer of water-soluble vinyl monomers and up to 10% by weight relative to the total polymer B of multifunctional crosslinker vinyl compounds.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: July 30, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventor: Frank Wingler
  • Patent number: 4532177
    Abstract: Base coat compositions comprise a film-forming resin component selected from one or a mixture of any of alkyd, polyester, acrylic and polyurethane resins, having blended therewith from 1.0 to 15.0% by weight of pigment and from 2.0% to 50.0% by weight of cellulose ester material having the following chemical characteristics:Solution viscosity, seconds--0.05-0.005Acetyl, % by wt.--10.0-15.00Propionyl, % by wt.--0.1-0.8Butyryl, % by wt.--36.0-40.0Free-Hydroxyl, % by wt.--1.0-2.0The compositions when containing pigment such as metallic particles are particularly useful in wet-on-wet automotive finish applications, allowing minimal metallic particle reorientation upon the application thereto of polymeric top coats (particularly those containing solvent), and a considerable increase in solids content.
    Type: Grant
    Filed: July 30, 1984
    Date of Patent: July 30, 1985
    Assignee: Eastman Kodak Company
    Inventor: Ralph W. Mahar
  • Patent number: 4518726
    Abstract: A metallic base paint comprising a blend consisting essentially of (A) a silyl group containing vinyl type resin having a backbone substantially comprising a polyvinyl type polymer chain and containing at least one silicon atom attached to a hydrolyzable group at a terminal or in a side chain in its molecule; (B) metal powder; and one or more of the following: (C) acrylic resin; (D) cellulosic compound; (E) reactive silicon compound. This paint can be cured at low temperatures, with setting time, and provides a coated surface of uniform metallic luster.
    Type: Grant
    Filed: April 5, 1982
    Date of Patent: May 21, 1985
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yasushi Kato, Hisao Furukawa
  • Patent number: 4506045
    Abstract: Thermoplastic moulding compositions consisting of from 1 to 99% by weight of at least one cellulose ester or cellulose mixed ester, from 99 to 1% by weight of an aliphatic polyester or polyether containing carbonate groups and, optionally, standard auxiliaries and additives.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: March 19, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Waniczek, Christian Lindner, Carlhans Suling, Herbert Bartl, Walter Uerdingen
  • Patent number: 4481312
    Abstract: A process for the production of sheet structure, including fibres from plastics solutions containing deped, burr-shaped or fibrous polyacetylene particles, in which process the solution is shaped to form a sheet and the solvent is removed and the sheet structure thus prepared.
    Type: Grant
    Filed: March 26, 1982
    Date of Patent: November 6, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Hocker, Rudolf Merten, Bernd Willenberg
  • Patent number: 4451597
    Abstract: The coating composition useful as the exterior finish on automobiles and trucks contains about 25-50% by weight of a binder of film-forming constituents and 50-75% by weight of a volatile organic solvent carrier and additionally contains 2-150% by weight, based on the weight of the binder, of pigment; the binder is about 20-70% by weight of an acrylic polymer containing reactive hydroxyl, carboxyl, amide groups or any mixture of such groups, about 0-40% by weight of a hydroxy-terminated polyester urethane resin and about 25-40% by weight of an alkylated melamine formaldehyde crosslinking resin; in addition the composition contains about 4-20% by weight, based on the weight of the binder, of a rheology control agent of an alcohol soluble cellulose acetate butyrate having a buryryl content of about 45-50% by weight, a hydroxyl content of about 4-5% by weight and a viscosity of about 0.2-0.4 second.
    Type: Grant
    Filed: November 15, 1982
    Date of Patent: May 29, 1984
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Claus Victorius
  • Patent number: 4446261
    Abstract: Water-insoluble, high water-absorbent polymer beads are prepared by dispersing and suspending an aqueous solution of a water-soluble, ethylenically unsaturated monomer containing a small amount of a crosslinking agent in a dispersion medium of a hydrocarbon or a halogenated aromatic hydrocarbon, carrying out the bead polymerization in the presence of a water-soluble radical polymerization initiator and a protecting colloid comprising a cellulose ester or cellulose ether which is oil-soluble at the polymerization temperature, and separating the resulting beads.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: May 1, 1984
    Assignee: Kao Soap Co., Ltd.
    Inventors: Harumasa Yamasaki, Shoichiro Harada
  • Patent number: 4434259
    Abstract: Improved base coatings for use on paper substrates to be vacuum metallized consist essentially of an organic solvent solution (e.g. ethyl acetate or ethyl acetate/toluene) containing about 10-30 wt. % of a film-forming coating mixture of (a) about 90-98 wt. % of a vinyl acetate/acrylic acid copolymer (97.5-99/1-2.5%) or a vinyl acetate/monoethyl maleate copolymer (94-97/3-6%) and (b) about 2-10 wt. % of a soluble nitrocellulose resin solids, the resin being soluble in the solvent and having a nitrogen content of about 12 wt. % and a viscosity of from about 4-5 sec. in a 25% solution to about 3-4 sec. in a 20% solution of ethyl alcohol/toluene/ethyl acetate (25/55/20), when measured using the Falling Ball method.Paper products coated with the base coating (about 2-6 lbs./3000 ft..sup.2) are characterized by a balanced combination of alkali removability, water-resistance, and block-resistance. The metallized products are smooth and glossy, and the aluminized product is especially useful for bottle labels.
    Type: Grant
    Filed: April 26, 1982
    Date of Patent: February 28, 1984
    Assignee: National Starch and Chemical Corporation
    Inventors: Samuel Gold, Arthur A. Tracton, Josephine M. Rosenski