Atom Other Than C, H, Or N Patents (Class 524/208)
  • Patent number: 4842781
    Abstract: Disclosed is a colored polarizing film having excellent durability which comprises (a) an organic polymer film or sheet and (b) at least one dichroic dye having an azo, anthraquinone, thioindigo, perylene or phthalone structure containing no water-soluble group. Also disclosed is a method of making a colored polarizing film using an organic polymer film or sheet formed of a polyamide or polyester resin, which comprises the steps of (a) blending (preferably, dry blending) a dichroic dye with the resinous polymer in advance, (b) melting the resulting blend and forming it into a film, and then (c) stretching the film in at least one direction.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: June 27, 1989
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Tsutomu Nishizawa, Yasuyuki Yamada, Junichi Fujio, Shin Hosonuma
  • Patent number: 4820756
    Abstract: Novel compounds of the formula I ##STR1## in which R.sub.1, R.sub.2, R.sub.8, R.sub.9 and R.sub.10 are independently alkyl, alkenyl, cycloalkyl, phenyl, naphthyl, alkylphenyl or aralkyl and R.sub.1 and R.sub.2 may also be independently hydrogen or alkoxycarbonylmethyl, are described.The novel phenols are suitable as stabilizers in organic polymers and lubricants.
    Type: Grant
    Filed: June 22, 1987
    Date of Patent: April 11, 1989
    Assignee: Ciba-Geigy Corporation
    Inventors: Rita Pitteloud, Paul Dubs
  • Patent number: 4666947
    Abstract: Compositions based on ethylene/vinylacetate copolymers provided with self-extinguishing properties and suitable for the preparation of foamed materials, comprising for 100 parts by weight of the EVA copolymers:from 5 to 10 parts by weight of at least a bromodiphenylether containing at least 3 bromine atoms;from 2 to 4 parts by weight of a metal oxide selected from antimony, bismuth and tungsten oxides; andfrom 0.1 to 1 part by weight of a compound having general formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, equal or different from each other, can by hydrogen, chlorine, bromine, aliphatic hydrocarbon radicals containing from 1 to 6 carbon atoms, cyclohexyl or phenyl radicals, the nitro group or the --CN group.R.sub.5, R.sub.6, equal or different, can be hydrogen, chlorine, bromine, aliphatic hydrocarbon radicals containing from 1 to 3 carbon atoms, or alkoxy radicals containing 1 to 4 carbon atoms or ##STR2## groups, R.sub.7 being an alkyl radical containing from 1 to 3 carbon atoms.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: May 19, 1987
    Assignee: Montepolimeri S.p.A.
    Inventors: Corrado Brichta, Annibale Vezzoli, Pietro Origgi
  • Patent number: 4657956
    Abstract: Additives for rubber compositions, giving vulcanizates having improved retention of optimum physical properties, are compounds having the formula R--S--B--S--R where B is an organic bridging group and R is an electron-withdrawing group, for example CN, CCl.sub.3, a radical containing an activated methylene group linked to the sulphur atom or the enolic tautomer of a keto-activated methylene group. Also useful as stabilizing agents are oligomeric analogues of such compounds.
    Type: Grant
    Filed: September 13, 1985
    Date of Patent: April 14, 1987
    Assignee: Monsanto Europe, S. A.
    Inventors: Albert F. L. G. Devaux, Philippe G. Moniotte
  • Patent number: 4618638
    Abstract: Alpha-cyanocinnamate ultraviolet-absorbing stabilizers of the formula ##STR1## Where T is alkyl of 4 to 14 carbon atoms, and R.sub.4 is alkyl of 1 to 4 carbon atoms, are particularly resistant to loss during weathring of outdoor thermoset or thermoplastic coating systems while exhibiting good stabilization efficacy and compatibility in said systems.
    Type: Grant
    Filed: November 23, 1984
    Date of Patent: October 21, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Martin Dexter, Roland A. E. Winter
  • Patent number: 4594376
    Abstract: A propylene polymer composition containing (i) 100 parts by weight of a polypropylene and/or a propylene-ethylene copolymer and (ii) 0.05 to 2 parts by weight of triallyl(iso)cyanurate and/or diallyl(iso)phthalate, or (i) 100 parts by weight of a polypropylene and/or a propylene-ethylene copolymer, (ii) 0.01 to 0.5 part by weight of triallyl(iso)cyanurate and/or diallyl(iso)phthalate, and (iii) 0.005 to 0.2 part by weight of an organic peroxide.This propylene composition has excellent resistance against high-energy radiation without impairing the desired properties of the propylene polymer per se.
    Type: Grant
    Filed: September 7, 1984
    Date of Patent: June 10, 1986
    Assignee: Showa Denko Kabushiki Kaisha
    Inventor: Yoshinori Hamada
  • Patent number: 4525504
    Abstract: Disclosed are stabilized polyester compositions having significantly improved weatherability, said polyesters consisting of homopolyesters derived from a dicarboxylic acid component wherein at least a major portion of which is 1,4-cyclohexanedicarboxylic acid (or ester) having a trans isomer content of at least 65% and a glycol component wherein at least a major portion of which is 2,2,4,4-tetramethyl-1,3-cyclobutanediol and copolyesters thereof with modifying aliphatic glycols and/or aliphatic dicarboxylic acids, said polyesters being stabilized with the combination of at least one ultraviolet light stabilizing compound compatible with said polyester and at least one hindered amine light stabilizer having the formulae ##STR1## the groups shown as R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently selected from various substituents.
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: June 25, 1985
    Assignee: Eastman Kodak Company
    Inventors: John C. Morris, Joseph S. Zannucci
  • Patent number: 4524165
    Abstract: Disclosed are stabilized polyester compositions having significantly improved weatherability. These polyesters consist of copolyesterethers derived from a dicarboxylic acid component comprising about 80-100 mole % 1,4-cyclohexanedicarboxylic acid having a trans isomer content of at least 70% and about 0-20 mole % of a second dicarboxylic acid and a glycol component comprising about 70-95 mole % 1,4-cyclohexanedimethanol and about 5-30 mole % of a polyalkylene ether glycol having a molecular weight of about 600 to about 3000. The copolyesterether compositions further comprise a stabilizing effective amount of the combination of (1) at least one hindered phenolic antioxidant, (2) at least one ultraviolet light stabilizing compound compatible with said copolyesterether and (3) at least one hindered amine light stabilizing compound having the formulae ##STR1## the groups shown as R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently selected from various substituents.
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: June 18, 1985
    Assignee: Eastman Kodak Company
    Inventors: Harry R. Musser, Thomas H. Strickland, Joseph S. Zannucci
  • Patent number: 4499008
    Abstract: A method of making an electrically conducting polymer is disclosed which includes poly(N-alkyl 3',3 carbazolyl) at least a portion of which is doped with a compatible charge transfer acceptor to provide p-type electrical conductivity, and in which the alkyl group is one selected from the group consisting of ethyl and methyl or a combination thereof.
    Type: Grant
    Filed: December 9, 1983
    Date of Patent: February 12, 1985
    Assignee: Honeywell Inc.
    Inventors: Stephen T. Wellinghoff, Samson A. Jenekhe, Thomas J. Kedrowski
  • Patent number: 4486480
    Abstract: An oil resistant rubber hose having an internal layer made of a vulcanized rubber composition of, or composed mainly of, partially hydrogenated unsaturated nitrile-conjugated diene copolymer rubber in which at least 50% of the conjugated diene units is hydrogenated. This rubber hose is superior in resistance to deteriorated gasoline and low temperature, and is suitable for the automobile fuel line.
    Type: Grant
    Filed: November 19, 1982
    Date of Patent: December 4, 1984
    Assignees: Toyoda Gosei Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Tadaoki Okumoto, Masatoshi Sugimoto, Takashi Kawazoe, Seiichi Sahara, Tetsuo Yamada, Kinrou Hashimoto, Masayoshi Ichikawa, Kenichi Funato
  • Patent number: 4452725
    Abstract: An electrically conducting polymer is disclosed which includes poly(N-alkyl 3',3 carbazolyl) at least a portion of which is doped with a compatible charge transfer acceptor to provide p-type electrical conductivity, and in which the alkyl group is one selected from the group consisting of ethyl and methyl or a combination thereof.
    Type: Grant
    Filed: September 21, 1982
    Date of Patent: June 5, 1984
    Assignee: Honeywell Inc.
    Inventors: Stephen T. Wellinghoff, Samson A. Jenekhe, Thomas J. Kedrowski
  • Patent number: 4447576
    Abstract: Paintable, cured polyorganosiloxane sealants are prepared at room temperature from room temperature curable compositions containing a hydroxyl-terminated polyorganosiloxane, an organosilicon compound containing at least two amido groups, aminoxy groups or combinations thereof, per molecule and a substituted alcohol where the substituent is acyloxy, alkoxycarbonyl, cyano, ##STR1## mercapto, or the combination of a carbon-to-carbon triple bond and an ether-type oxygen atom, where each Y and Z are individually selected from the group consisting of hydrogen, hydrocarbyl and halohydrocarbyl.
    Type: Grant
    Filed: June 7, 1983
    Date of Patent: May 8, 1984
    Assignee: Toray Silicone Company, Ltd.
    Inventors: Miyoji Fukayama, Chikara Ichiijo
  • Patent number: 4415694
    Abstract: A composition for coating on low pressure sliding connections to enhance electrical contact comprises an admixture of an anhydride copolymer; a flexibilizing copolymer; a hydrophobic, soluble, compatible fluoroaliphatic radical-containing composition; an antioxidant; optionally a mercaptan; and a suitable solvent system. Articles coated with the contact enhancing composition are disclosed.
    Type: Grant
    Filed: May 18, 1982
    Date of Patent: November 15, 1983
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Russell A. Roiko, Richard J. Pokorny
  • Patent number: 4407997
    Abstract: A marine paint capable of becoming smoother in relatively moving sea water and having no or a low content of organotin comprises a film-forming acrylic polymer and a metalliferous pigment which is sparingly soluble in seawater. The acrylic polymer comprises 20-100 percent by weight of monomer units (A) selected from methyl acrylate and ethyl acrylate units, 0-45 percent by weight of monomer units (B) of a triorganotin salt of an olefinically unsaturated carboxylic acid and 0-80 percent by weight of monomer units (C) which are alkyl methacrylate units having 1-4 carbon atoms in the alkyl group or styrene units. Monomer units (A), (B) and (C) form at least 80 percent by weight of the acrylic polymer; the balance of the polymer if any comprises units of at least one other olefinically unsaturated comonomer.
    Type: Grant
    Filed: October 21, 1981
    Date of Patent: October 4, 1983
    Assignee: The International Paint Company Limited
    Inventor: Cristian M. Sghibartz
  • Patent number: 4366207
    Abstract: Polycarbonate resins, can be stabilized against the adverse influence of UV light by incorporating either directly into the resin or by means of a coating on the surface of the resin, an effective amount of a certain class of cyano stabilizers.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: December 28, 1982
    Assignee: General Electric Company
    Inventor: Blair T. Anthony
  • Patent number: 4329277
    Abstract: Polyurethane formulations that are resistant to fouling by marine organisms when exposed to sea water are prepared by mixing tetrachloroisophthalonitrile with a polyurethane. Any of the known polyurethanes may be used and liquid castable compositions are particularly useful.
    Type: Grant
    Filed: October 3, 1980
    Date of Patent: May 11, 1982
    Assignee: The B. F. Goodrich Company
    Inventor: Walter T. Murphy
  • Patent number: 4318835
    Abstract: This invention is concerned with an aqueous liquid composition comprising unsaturated monomers including (1) magnesium diacrylate and/or calcium diacrylate, (2) a polyol monoacrylate selected from hydroxyethyl acrylate and hydroxypropyl acrylate, and (3) a polyethylenically unsaturated monomer copolymerizable with (1) and (2) to produce covalent cross-linking bonds in the copolymer besides the ionizable magnesium bonds. The weight ratio of (3) to the sum of (1) and (2) is in the range of about 3:97 to about 5:95. Examples of monomers that can be used as part or all of component (3) include N,N'-methylene-bis-acrylamide and ethylene glycol diacrylate.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: March 9, 1982
    Assignee: Hayward Baker Company
    Inventor: William J. Clarke