Patents Assigned to GAF Corporation
  • Patent number: 4302524
    Abstract: A light-sensitive vesicular imaging composition comprising a vesiculating agent which liberates gas upon exposure to activating radiation and a matrix which is a novolac branched epoxy resin of a bis-glycidyl ether and a dihydric phenol.
    Type: Grant
    Filed: March 19, 1980
    Date of Patent: November 24, 1981
    Assignee: GAF Corporation
    Inventors: William L. Mandella, James R. Kuszewski
  • Patent number: 4301267
    Abstract: This invention relates to ultraviolet light stable copolymer compositions comprising:(a) a monomer which is an .alpha.,.beta.-unsaturated dicarboxylic half-ester of a 2-hydroxy, alkoxy, methylolbenzophenone, and,(b) a comonomer which is styrene or styrene-butadiene, is described.
    Type: Grant
    Filed: August 26, 1980
    Date of Patent: November 17, 1981
    Assignee: GAF Corporation
    Inventors: Eugene S. Barabas, Prakash Mallya, Stanley J. Gromelski, Jr.
  • Patent number: 4301209
    Abstract: A radiation curable coating comprising:A. An oligomer of Formula I: ##STR1## wherein: R.sup.1 is hydrogen or methyl;Y is a divalent urethane residue;B. A benzylidene acid ester of Formula IV: ##STR2## wherein R.sup.4 is independently alkyl or hydroxy alkylene. Preferably the coating composition contains a vinyl monomer copolymerizable with the oligomer. The process for curing the coating is also disclosed.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: November 17, 1981
    Assignee: GAF Corporation
    Inventors: Donald H. Lorenz, Shu T. Tu, Donald P. Wyman
  • Patent number: 4294848
    Abstract: The thiocyano-containing polyoxyalkylenes having the formula:NCS--(AO).sub.x --(BO).sub.Y --(CO).sub.z --DE I.wherein E is --SCN or a halogen atom; A, C and D represent lower alkylene of 2 to 4 carbon atoms; B is alkylene of 2 to 8 carbon atoms; y and z are each integers having a value of 0 to 50 and x is an integer having a value of from 2 to 50, and intermixtures of said polyoxyalkylenes.The above compounds display a wide variety of uses, namely for the control of fungi and bacteria or for the prevention of such infestations and infections. They are also useful nematocides and insecticides.
    Type: Grant
    Filed: July 31, 1980
    Date of Patent: October 13, 1981
    Assignee: GAF Corporation
    Inventors: David J. Tracy, Lindley S. Wood, Paritosh M. Chakrabarti
  • Patent number: 4293642
    Abstract: Adhesion of a hydrophilic photographic emulsion to a hydrophobic polyester substrate is achieved by providing the substrate with a surface layer containing free carboxy groups and incorporating in the emulsion a cross-linking agent which can cross-link the emulsion and the carboxy containing surface layer. Carbodiimides are a class of cross-linking agents having this capability.
    Type: Grant
    Filed: May 13, 1980
    Date of Patent: October 6, 1981
    Assignee: GAF Corporation
    Inventors: Elton L. Beavan, E. Bradley Moynahan
  • Patent number: 4293714
    Abstract: This invention relates to copolymerizable ultraviolet light absorber compounds having the formula: ##STR1## where: R is alkylene oxyalkylene, alkyleneoxyalkylene or phenylene, which R groups are of up to 10 carbon atoms and are unsubstituted or substituted with hydroxy;R' and R" are independently hydrogen or alkyl; C.sub.1 -C.sub.6 ; andR'" is alkyl C.sub.1 -C.sub.6, substituted alkyl C.sub.1 -C.sub.6, or alkoxy C.sub.1 -C.sub.6.
    Type: Grant
    Filed: March 20, 1980
    Date of Patent: October 6, 1981
    Assignee: GAF Corporation
    Inventors: Bruce A. Gruber, Donald H. Lorenz
  • Patent number: 4293444
    Abstract: Alkenes and/or alkadienes are contacted with molecular oxygen and an oxidative dehydrogenation catalyst consisting essentially of silver, molybdenum and oxygen, with the silver-to-molybdenum atom ratio being in the range of about 0.25:1 to about 10:1 to produce furan compounds.
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: October 6, 1981
    Assignee: GAF Corporation
    Inventors: R. Parthasarathy, Eugene V. Hort
  • Patent number: 4288486
    Abstract: Flexible, sheet-type covering material is made by coating a porous mat with mechanically frothed plastic foam. The foam is gelled, at least partially fused and then calendered to crush the foam.
    Type: Grant
    Filed: August 14, 1980
    Date of Patent: September 8, 1981
    Assignee: GAF Corporation
    Inventors: George R. Ferment, Douglas C. Woerner
  • Patent number: 4287263
    Abstract: This invention pertains to asphaltic sheet sound deadener for use as a vibration damping medium, which can be bonded in place without excessive sag or flow by subjecting the material to 250.degree.-400.degree. F. The main use of this material is in the automotive field, but may be used in other areas such as the appliance and furniture industries. The melt flow properties of the deadener are controlled by the use of ground mica.
    Type: Grant
    Filed: August 15, 1979
    Date of Patent: September 1, 1981
    Assignee: GAF Corporation
    Inventors: William J. Woodring, James A. Gulino
  • Patent number: 4287286
    Abstract: Electroreprographic films comprising a support member which are capable of acquiring an electrostatic charge which on passing through a toner bath pick up unwanted toner outside the image area which is not fixed during development. The unwanted toner pick up is minimized by applying a layer of anti-static material to the otherwise uncoated back of the support.
    Type: Grant
    Filed: May 25, 1979
    Date of Patent: September 1, 1981
    Assignee: GAF Corporation
    Inventor: Herman Burwasser
  • Patent number: 4284470
    Abstract: High strength roofing products using a novel glass fiber mat are described herein. The roofing products include shingles and built up roofing membranes and systems.
    Type: Grant
    Filed: September 26, 1979
    Date of Patent: August 18, 1981
    Assignee: GAF Corporation
    Inventor: Alfredo A. Bondoc
  • Patent number: 4283326
    Abstract: Poly (C.sub.2 -C.sub.4 alkylene terephthalate) molding composition containing mica and a multiphase composite polymer. The multiphase polymer has a first elastomeric phase polymerized from a monomer system including C.sub.1 -C.sub.6 alkyl acrylate as well as crosslinking and graftlinking monomers and has a final rigid thermoplastic phase polymerized in the presence of the elastomeric phase. Preferred compositions also include thermally stable reinforcing fibers such as glass fibers.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: August 11, 1981
    Assignee: GAF Corporation
    Inventors: John J. Charles, Robert C. Gasman
  • Patent number: 4283456
    Abstract: Sheet vinyl covering material having a moisture permeable backing layer of material such as asbestos felt which is dimensionally stable under varying moisture conditions and resistant to degradation from water. The backing layer is sealed on one side with a layer of vinyl halide-vinylidene halide copolymer which is overlaid with a layer of open cellular foamed resinous material. The sheet vinyl laminate also has a resinous wear layer overlying the foamed layer.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: August 11, 1981
    Assignee: GAF Corporation
    Inventor: Walter Creasy
  • Patent number: 4283321
    Abstract: Improved surfactants can be produced from alkyl aryl poly(ethyleneoxy) sulfonates, represented by the formula: ##STR1## wherein: R is an alkyl or dialkyl group having at least 6 carbon atoms; andn is greater than 9; andMe is a monovalent cation, preferably Na, NH.sub.4, K or Li.High solids content aqueous vinyl acetate emulsions having long term stability are provided by polymerizing vinyl acetate in the presence of the surfactant and water. The quantity of water is predetermined so as to produce a latex having at least 40% solids.
    Type: Grant
    Filed: October 3, 1979
    Date of Patent: August 11, 1981
    Assignee: GAF Corporation
    Inventors: Paritosh M. Chakrabarti, Darrell G. Kirchner
  • Patent number: 4280959
    Abstract: Alkenes and/or alkadienes are contacted with molecular oxygen and an oxidative dehydrogenation catalyst consisting essentially of silver, phosphorus and oxygen, with the silver-to-phosphorus atom ratio being in the range of about 0.25:1 to about 10:1 to produce furan compounds.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: July 28, 1981
    Assignee: GAF Corporation
    Inventors: R. Parthasarathy, Eugene V. Hort
  • Patent number: 4278821
    Abstract: This invention describes novel intermediate alkanols for making effective compounds, which intermediates are .omega.,.omega.-bis(dialkylhydroxyphenyl) alkanols having the formula: ##STR1## wherein R.sub.1 is a tertiary alkyl group having 4-8 carbon atoms;R.sub.2 is alkyl having 1-4 carbon atoms;R.sub.3 is a straight chain or branched alkylene group having 1-4 carbon atoms; andx is 1-4.
    Type: Grant
    Filed: August 1, 1979
    Date of Patent: July 14, 1981
    Assignee: GAF Corporation
    Inventor: David J. Tracy
  • Patent number: 4277391
    Abstract: Poly (C.sub.2 -C.sub.4 alkylene terephthalate) molding composition containing three different types of antioxidants are disclosed.
    Type: Grant
    Filed: December 27, 1979
    Date of Patent: July 7, 1981
    Assignee: GAF Corporation
    Inventor: John J. Charles
  • Patent number: 4276215
    Abstract: 2-Pyrrolidone is purified by contact with particulate calcium oxide for a sufficient time at elevated temperatures followed by distilling and condensing the purified 2-pyrrolidone.
    Type: Grant
    Filed: July 25, 1977
    Date of Patent: June 30, 1981
    Assignee: GAF Corporation
    Inventors: Eugene V. Hort, Waldo R. De Thomas
  • Patent number: 4276136
    Abstract: What is described herein is a radiation curable coating composition comprising:A. An oligomer of Formula I: ##STR1## wherein: R.sup.1 is hydrogen or methyl; andY is a divalent urethane residue; andB. a copolymerizable ultra-violet light absorber which is a copolymerizable (2-cyano-3,3-diphenylacryloxy) alkylene acrylic acid ester of Formula IV: ##STR2## where (Ar).sub.1 and (Ar).sub.2 are aromatic carbocylic nuclei of the benzene and naphthalene series;X is C.sub.2 -C.sub.17 alkylene, unsubstituted or substituted; andZ is a copolymerizable radical selected from acryloyl, alkylacryloyl, acryloxyalkyl, acryloxyhydroxyalkyl, or alkylacryloxyhydroxyalkyl, having from C.sub.3 -C.sub.12 carbon atoms.Preferably the coating composition contains a vinyl monomer, such as N-vinyl-2-pyrrolidone or an acrylic acid ester, which is copolymerizable with the oligomer.The process for curing the composition also is disclosed.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: June 30, 1981
    Assignee: GAF Corporation
    Inventors: Bruce A. Gruber, Donald H. Lorenz
  • Patent number: 4275147
    Abstract: The susceptibility of polymeric film supports or polymeric coated paper to the accumulation of static electric charges can be greatly lessened by coating or swabbing such support or the uncoated side of a finished photographic film and paper with a polyfunctional anionic oligomeric surfactant or the alkali metal salt thereof, of the formula: ##STR1## wherein R is an alkyl radical of 6-12 carbon atoms, R.sub.1 is H or methyl and a+b is from 4-50.
    Type: Grant
    Filed: July 11, 1980
    Date of Patent: June 23, 1981
    Assignee: GAF Corporation
    Inventors: E. Scudder Mackey, Karl Pechmann