Patents Examined by William Parker
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Patent number: 4105608Abstract: High impact composition of ring-opening polymerization product formed of (A) 100 parts by weight of at least one ring-opening polymerization product selected from the group consisting of (a) ring-opening polymerization homopolymers of norbornene derivatives containing at least one nitrile group or a substituent including said nitrile group, (b) ring-opening polymerization homopolymers of norbornene derivatives containing at least one ester group or a substituent including said ester group, (c) ring-opening polymerization copolymers of combination of said norbornene derivatives, and (d) other ring-opening polymerization copolymers of any of said norbornene derivatives and 50 mol% at most of other unsaturated cyclic compounds; and (B) 0.05 to 10.0 parts by weight of specified metal salts of fatty acids.Type: GrantFiled: May 6, 1975Date of Patent: August 8, 1978Assignee: Showa Denko K.K.Inventors: Junichi Nakamura, Hiroshi Konuma, Shiro Kokuryo, Takashi Ueshima, Chutatsu Tsuge
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Patent number: 4072536Abstract: A paint comprising as a film-forming component a resinous substance obtained by reacting maleinized polybutadiene containing an unsaturated group and having a low degree of polymerization with a dialkylaminoalkylamine. The resinous substance can be readily rendered water-soluble, and is useful as aqueous paints, particularly electrodeposition paints that deposit on the cathode. In place of the maleinized polybutadiene, maleinized drying oils or semi-drying oils or maleinized petroleum resins can also be used.Type: GrantFiled: April 14, 1976Date of Patent: February 7, 1978Assignee: Nippon Oil Company, Ltd.Inventors: Yutaka Otsuki, Yoshihiko Araki, Kazuho Aoyama
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Patent number: 4064117Abstract: Process for treating tall oil heads with alkali at elevated temperature for recovery of heads fatty acids is improved by performing a fusion cook of such heads initiated with essentially dry alkali.Type: GrantFiled: December 15, 1975Date of Patent: December 20, 1977Assignee: Sylvachem CorporationInventors: Dwight Earl Leavens, Claude Frank Phillips, Jr.
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Patent number: 4046834Abstract: The invention provides finely divided vulcanized rubber having a particle size of generally less than 20 microns for re-use in the rubber industry. Vulcanizates produced from compositions containing the finely divided vulcanized rubber, either as the sole rubber component or in admixture with unvulcanized rubber, have properties significantly better than those of vulcanizates of similar compositions containing conventional reclaimed rubbers. Vulcanized rubber is converted into the finely divided rubber by the steps of (1) contacting vulcanized rubber with a fatty acid, (2) contacting the product of step (1) with a solid alkali and (3) forming a dispersion of the product of step (2) with a liquid which dissolves the alkali but does not affect the rubber. Alternatively, the finely divided vulcanized rubber results from the steps of (1) contacting the vulcanized rubber with a liquid effective to swell the rubber and thereby weaken it e.g.Type: GrantFiled: January 8, 1974Date of Patent: September 6, 1977Assignee: Gould Inc.Inventors: Timothy Charles Philip Lee, William Millns
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Patent number: 4045404Abstract: Compounds having the formula ##STR1## wherein R.sup.1 and R.sup.2 are lower alkyl, R.sup.3 is alkyl, another hindered phenolic norbornane-2,3-dicarboximide group, or a group --(CH.sub.2)--CO.sub.2 R.sup.4 and m is 0 to 3, n is 1 or 2 and R.sup.4 is alkyl, are good oxidative and thermal stabilizers of synthetic polymers.Type: GrantFiled: May 8, 1975Date of Patent: August 30, 1977Assignee: Ciba-Geigy CorporationInventor: John F. Stephen
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Patent number: 4032518Abstract: Novel N-(vinylphenyl)sulfonamides and polymers thereof including copolymers of N-(vinylphenyl)sulfonamides and styrene are prepared by reacting 4-vinylaniline with an amine and a sulfonyl chloride in the presence of an acid acceptor to produce the monomer to be polymerized. The homo- and copolymers of these N-(vinylphenyl)sulfonamides are useful as vesiculating matrices in vesicular elements.Type: GrantFiled: January 16, 1975Date of Patent: June 28, 1977Assignee: Eastman Kodak CompanyInventors: Carl Kotlarchik, Jr., Louis M. Minsk, George L. Fletcher, Jr.
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Patent number: 4025478Abstract: A pressure sensitive hot melt adhesive formulation is provided that contains, as the sole adhesive component, a solid polybutadiene which has been produced from an unhydrogenated polybutadiene having a vinyl content of at least 50 percent and subsequently has been hydrogenated to a vinyl content of less than 15 percent. The hot melt adhesive formulation also contains a sufficient amount of a tackifier, preferably a hydrogenated rosin, to produce an adhesive formulation having a viscosity at 350.degree. F. of from about 1,500 to about 1 million, preferably about 15,000 to about 350,000 cps. The formulation can also contain up to 5 percent by weight of the total combination of the polybutadiene and tackifier of heat and light stabilizing compounds.Type: GrantFiled: February 7, 1975Date of Patent: May 24, 1977Assignee: Phillips Petroleum CompanyInventor: Lawrence D. Jurrens
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Patent number: 4024094Abstract: A phenolic resin composition for manufacturing laminates which comprises a modified phenolic resin having incorporated therewith 1-40% by weight of polycarbonate resin. The phenolic resin composition gives laminates with improved mechanical strength and workability without causing any lowering of surface hardness.Type: GrantFiled: September 19, 1974Date of Patent: May 17, 1977Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Masaharu Kurata, Mineaki Tanigaichi, Kazuyuki Ohya
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Patent number: 3980484Abstract: A formable matrix used as structural material and having an admixture of reinforcing non-metallic meltable fibers. The fibers have enlarged knob-like ends serving as anchors to enhance the bonding action between the fiber and the matrix. The admixture reduces freeze-thaw losses and improves flexural strength of the matrix. Several methods of forming the fiber end knobs are disclosed.Type: GrantFiled: February 28, 1975Date of Patent: September 14, 1976Assignee: Edward C. Levy CompanyInventor: Terrence M. Shaw
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Patent number: 3978014Abstract: Bituminous composition with improved adhesive properties comprising:A. 95-75%w of a bituminous component Q having an aromaticity exceeding 0.004 .times. P + 0.280, in which P is the n-heptane asphaltene content;B. 4-15%w of a block copolymer M.sub.1, preferably a polystyrene-polyalkadiene-polystyrene;C. 4-15%w of a thermoplastic polymer M.sub.2, different from M.sub.1 and which has a mol. weight above 10,000, a solubility parameter 7.8 - 8.8 and a crystallinity below 60 percent at 25.degree.C.Type: GrantFiled: February 28, 1975Date of Patent: August 31, 1976Assignee: Shell Oil CompanyInventors: Eric J. van Beem, Pieter Brasser
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Patent number: 3966698Abstract: A method for increasing the yield of tall oil soaps from Kraft black liquor in the manufacture of paper pulp by treating the Kraft black liquor with a sodium lignosulfonate solution containing sodium hydroxide. In addition this solution may also contain a low molecular weight polyacrylate.Type: GrantFiled: May 2, 1975Date of Patent: June 29, 1976Assignee: Nalco Chemical CompanyInventor: Robert V. Gossage
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Patent number: 3959198Abstract: The subject of the invention is a process for the manufacture of heat-curable synthetic resins, based on reaction products of maleic anhydride with mixtures of polybutadiene, unsaturated hydrocarbon resins and unsaturated fatty acid glyceride esters, which can be diluted with water and are suitable for the electrophoretic coating process.Type: GrantFiled: May 15, 1974Date of Patent: May 25, 1976Assignee: Hoechst AktiengesellschaftInventors: Bernhard Broecker, Richard Schardt
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Patent number: 3936407Abstract: Coated nails and other driven fasteners designed to increase the force requied to withdraw the nail, screw, tack, staple, or other fastener from wood or similar materials, are disclosed. The coating for the metal fasteners is an emulsion or rosin or a rosin-like resin in an ethylene co- or terpolymer.Type: GrantFiled: September 23, 1974Date of Patent: February 3, 1976Assignee: United States Steel CorporationInventor: Robert E. Parkinson
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Patent number: 3935145Abstract: A process for the manufacture of a modified natural resin product wherein (a) a natural resin is reacted with (b) at least one ethylenically unsaturated monomer capable of being added to a natural resin, having from 2 to 12 carbon atoms and being free from carboxylic groups and anhydride groups, and (c) and more than 5%, referred to the weight of the natural resin, of an .alpha.,.beta.-olefinically unsaturated carboxylic acid or a derivative thereof yielding carboxylic groups under the reaction conditions. The invention is also concerned with resinous compositions, particularly adhesives and printing inks.Type: GrantFiled: March 26, 1973Date of Patent: January 27, 1976Assignee: Hoechst AktiengesellschaftInventor: Albert Rudolphy
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Patent number: RE29157Abstract: Superior polychloroprene adehsives are prepared by incorporating the reaction product of an alkali catalyzed alkyl phenol-formaldehyde resin and zinc resinate. Preferably an arylphenol and/or bisphenol A is also incorporated. Also preferably rosin is included in the composition. Other zinc compounds, e.g. zinc oxide, zinc borate, zinc phosphate, zinc carbonate, and zinc salicylate can be used in place of zinc resinate.Type: GrantFiled: July 10, 1972Date of Patent: March 22, 1977Assignee: Schenectady Chemicals, Inc.Inventors: Kenneth C. Petersen, Thomas M. Galkiewicz