Patents Represented by Attorney Frank M. Van Riet

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  • Peptizing agent for natural rubber and synthetic butadiene-styrene rubber
    Patent number: 4129538
    Abstract: A peptizing agent for natural rubber and synthetic butadiene-styrene rubber comprising a blend of (A) a mixture of an iron-free peptizer and a zinc salt of mixed fatty acids and (B) an iron phthalocyanine.
    Type: Grant
    Filed: May 20, 1977
    Date of Patent: December 12, 1978
    Assignee: American Cyanamid Company
    Inventors: Earl Kaplan, Frank G. Pinto
  • Method of preparing imidozoline and tetrahydro pyrimidine polymers
    Patent number: 4129532
    Abstract: Homopolymer of compounds having the formula ##STR1## wherein n is 0 or 1, m is 1, X is an anion, R' is hydrogen, methyl or phenyl and R.sup.2, R.sup.3 and R.sup.4 are, individually, hydrogen, alkyl, aryl, alkaryl or aralkyl, polymers thereof are produced by melt cracking a compound having the formula ##STR2## wherein Z is ##STR3## wherein Y is hydroxyl or RO, R being alkyl, aryl or aralkyl, and R.sup.1 -R.sup.4, n, m and X are as set forth above.
    Type: Grant
    Filed: July 13, 1977
    Date of Patent: December 12, 1978
    Assignee: American Cyanamid Company
    Inventors: Hans P. Panzer, Michael N. D. O'Connor, Louis J. Baccei
  • Stabilization of N,N'-[(thiocarbonyl)thio]dimorpholine
    Patent number: 4129452
    Abstract: N,N'-[(thiocarbonyl)thio]dimorpholine is stabilized, as an accelerator for rubber, by incorporating therein an oxirane compound having a molecular weight of greater than 60.
    Type: Grant
    Filed: July 11, 1977
    Date of Patent: December 12, 1978
    Assignee: American Cyanamid Company
    Inventor: Curtis A. Franz
  • Polyacrylate elastomer compositions
    Patent number: 4129708
    Abstract: A vulcanizable polyacrylate elastomer composition having improved resistance to hydrocarbon oils is provided which comprises one or more lower alkyl acrylic acid ester monomers polymerized with a comonomer containing either a halogen or an epoxy group, in the presence of from about 0.25 to 10 percent, by weight of total monomer, of a low molecular weight, unsaturated polymer of butadiene or isoprene or copolymers thereof with styrene or acrylonitrile. In addition, a process for preparing such elastomer compositions is also provided, together with the vulcanization of such elastomers and the resulting vulcanized polyacrylate.
    Type: Grant
    Filed: October 7, 1977
    Date of Patent: December 12, 1978
    Assignee: American Cyanamid Company
    Inventors: Guido Mino, Rudolf A. Behrens
  • Process for the preparation of aryl esters of 3,5-di-t-butyl-4-hydroxybenzoic acid
    Patent number: 4128726
    Abstract: Aryl esters of 3,5-di-t-butyl-4-hydroxybenzoic acid are produced by reacting 3,5-di-t-butyl-4-hydroxybenzoic acid with a hydroxyphenol in the presence of di-n-butylether as a non-reactive, organic solvent.
    Type: Grant
    Filed: December 22, 1977
    Date of Patent: December 5, 1978
    Assignee: American Cyanamid Company
    Inventors: Vincent G. Grosso, Ray L. Hillard
  • Method of preparing pyrimidines
    Patent number: 4127719
    Abstract: Compounds having the formula ##STR1## wherein n and m are, individually, 0 or 1, X is an anion, R' is hydrogen, methyl or phenyl and R.sup.2, R.sup.3 and R.sup.4 are, individually, hydrogen, alkyl, aryl, alkaryl or aralkyl, polymers thereof and methods for their production, are disclosed.
    Type: Grant
    Filed: March 4, 1977
    Date of Patent: November 28, 1978
    Assignee: American Cyanamid Company
    Inventors: Hans P. Panzer, Michael N. D. O'Connor, Louis J. Baccei
  • Stabilization of polyester urethanes using organic epoxides
    Patent number: 4127542
    Abstract: A storage stable polyester based polyurethane composition is provided which contains from about 0.05 to 0.75 percent by weight of an organic epoxide compound which has a molecular weight of not less than 60.
    Type: Grant
    Filed: February 23, 1977
    Date of Patent: November 28, 1978
    Assignee: American Cyanamid Company
    Inventors: Samuel Kaizerman, Ajaib Singh
  • Release sheet of a coated cellulose paper
    Patent number: 4118541
    Abstract: A release sheet useful in the production of heat and pressure consolidated laminates comprising a paper sheet having coated thereon a first coating comprising(A) an oil-modified alkyd resin crosslinked with a polyalkylether of a polymethylol melamine and a second coating, atop said (A), comprising(B) a copolymer of an unsaturated acid, ester or anhydride and a vinyl ether or an unsaturated alkyl compound.
    Type: Grant
    Filed: November 3, 1976
    Date of Patent: October 3, 1978
    Assignee: Formica Corporation
    Inventors: George Edward Power, Donald Louis Bolling
  • Fire retardant wood products
    Patent number: 4117200
    Abstract: Melamine phosphate having hydrogen bonded thereto from about 0.5 to about 1.5 moles of phosphoric acid per mole of melamine phosphate, particleboard containing said melamine phosphate material and processes for the production thereof, are disclosed.
    Type: Grant
    Filed: September 16, 1977
    Date of Patent: September 26, 1978
    Assignee: American Cyanamid Company
    Inventors: Jeffrey Donald Leman, Allan James Robertson
  • Stabilized accelerator composition for rubber
    Patent number: 4116855
    Abstract: N,N'-[(thiocarbonyl)thio]dimorpholine is stabilized, as an acceleration for rubber, by incorporating therein various unsaturated amides or esters.
    Type: Grant
    Filed: March 18, 1977
    Date of Patent: September 26, 1978
    Assignee: American Cyanamid Company
    Inventor: Rudolf Adolf Behrens
  • Release sheet of a cellulosic paper coated with a resin mixture
    Patent number: 4117198
    Abstract: A release sheet useful in the production of heat and pressure consolidated laminates comprising a paper sheet having coated thereon a mixture ofA. an oil-modified alkyd resin crosslinked with a polyalkylether of a polymethylol melamine andB. a copolymer of an unsaturated acid, ester or anhydride and a vinyl ether or an unsaturated alkyl compound.
    Type: Grant
    Filed: November 3, 1976
    Date of Patent: September 26, 1978
    Assignee: Formica Corporation
    Inventors: George Edward Power, Donald Louis Bolling
  • Unsaturated imidazolines
    Patent number: 4113934
    Abstract: Polymers of compounds having the formula ##STR1## wherein n and m are, individually, 0 or 1, X is an anion, R.sup.1 is hydrogen, methyl or phenyl and R.sup.2, R.sup.3 and R.sup.4 are, individually, hydrogen, alkyl, aryl, alkaryl or aralkyl, and methods for their production, are disclosed.
    Type: Grant
    Filed: July 16, 1976
    Date of Patent: September 12, 1978
    Assignee: American Cyanamid Company
    Inventors: Hans Peter Panzer, Michael Niall Desmond O'Connor, Louis J. Baccei
  • Heat stabilized halogen-containing polymers
    Patent number: 4111873
    Abstract: Thermal stability of halogen-containing polymers is improved by incorporation therein of (a) a compound of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are independently selected from hydrogen, alkyl, aryl, alkyl- or alkoxy-substituted aryl, aralkyl, alkyl- or alkoxy-substituted aralkyl, or taken together form an alkylene radical of 3 to 9 carbon atoms; R.sub.3 and R.sub.4 are independently selected from alkyl of at least 4 carbon atoms, carbalkoxyalkyl, aryl, alkyl- or alkoxy-substituted aryl, aralkyl, alkyl- or alkoxy-substituted aralkyl or taken together form thiodimethylene, an ortho-arylene radical, an alkyl- or alkoxy-substituted ortho-arylene radical, or an alkylene radical of 2 to 4 carbon atoms; in combination with (b) a divalent metal salt of a carboxylic acid of 7 to 20 carbon atoms, or mixture of such metal salts.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: September 5, 1978
    Assignee: American Cyanamid Company
    Inventor: William Frederick Cordes, III
  • Elastomer modified melamine resin containing laminates
    Patent number: 4112169
    Abstract: A heat and pressure consolidated structure comprising, in superimposed relationship,(A) a self-supporting substrate and(B) a decorative, .alpha.-cellulose paper sheet impregnated with a resin composition comprisingA mixture of a melamine/formaldehyde resin and an elastomer comprising either an ethylene/vinyl chloride copolymer containing amide groups or a polyurethane resin containing carboxyl groups, is disclosed.
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: September 5, 1978
    Assignee: Formica Corporation
    Inventors: Kenneth Robert Huffman, Donald James Casey, Walter Moreland Thomas
  • Low pressure melamine resin laminates
    Patent number: 4109043
    Abstract: A heat and pressure consolidated structure comprising, in superimposed relationship,A a self-supporting substrate, andB a decorative .alpha.-cellulose paper sheet impregnated with a resin composition comprisingA mixture of a melamine/formaldehyde resin, an elastomer comprising an ethylene/vinyl chloride copolymer containing amide groups, a butadiene/acrylonitrile copolymer containing carboxyl groups or a polyurethane resin containing carboxyl groups and an alkylene polyamine, is disclosed.
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: August 22, 1978
    Assignee: Formica Corporation
    Inventor: Darwin Fiske DeLapp
  • Propionimidate hydrohalides
    Patent number: 4108883
    Abstract: Compounds having the formulae ##STR1## wherein Y is hydroxyl or R.sup.2 O, wherein R.sup.2 is alkyl, aryl or aralkyl, R' is hydrogen, methyl or phenyl and Z is ##STR2## wherein n and m are, individually, 0 or 1, X is a halogen, R.sup.3 is alkyl, hydroxyalkyl, or alkoxyalkyl and R.sup.4, R.sup.5 and R.sup.6 are, individually, hydrogen, alkyl, aryl, alkaryl or aralkyl, and methods for their production, are disclosed.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: August 22, 1978
    Assignee: American Cyanamid Company
    Inventors: Hans Peter Panzer, Michael Niall Desmond O'Connor, Louis J. Baccei
  • Addition polymers of unsaturated imidazolines
    Patent number: 4109072
    Abstract: Compounds having the formula ##STR1## wherein n and m are, individually, 0 or 1, X is an anion, R' is hydrogen, methyl or phenyl and R.sup.2, R.sup.3 and R.sup.4 are, individually, hydrogen, alkyl, aryl, alkaryl or aralkyl, polymers thereof and methods for their production, are disclosed.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: August 22, 1978
    Assignee: American Cyanamid Company
    Inventors: Hans Peter Panzer, Michael Niall Desmond O'Connor, Louis J. Baccei
  • Elastomer compositions with improved abrasion resistance
    Patent number: 4096207
    Abstract: Use of polytetrafluoroethylene (PTFE) to improve the abrasion resistance of elastomers and more particularly, elastomer compositions, containing fibrous PTFE, which exhibit improved resistance to abrasion, and to a method for improving the abrasion resistance of elastomers by the incorporation therein of fibrous PTEF.
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: June 20, 1978
    Assignee: American Cyanamid Company
    Inventors: Robert Saxon, Jack Horstmann Thelin
  • Low pressure melamine resins containing elastomers
    Patent number: 4094846
    Abstract: A composition of matter comprising a mixture of a melamine/formaldehyde resin, an elastomer comprising an ethylene/vinyl chloride copolymer containing amide groups, a butadiene/acrylonitrile copolymer containing carboxyl groups or a polyurethane resin containing carboxyl groups and an alkylene polyamine, is disclosed.
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: June 13, 1978
    Assignee: Formica Corporation
    Inventor: Darwin Fiske DeLapp
  • Process for the preparation of copolymers of thiodiethanol using a phosphorous acid-metal sulfate catalyst
    Patent number: 4094859
    Abstract: An improved process for the preparation of linear, high molecular weight elastomeric polymers of thiodiethanol is disclosed wherein the catalyst system is a mixture of phosphorous acid and manganese, iron, cobalt, nickel, copper or zinc sulfate.
    Type: Grant
    Filed: March 18, 1977
    Date of Patent: June 13, 1978
    Assignee: American Cyanamid Company
    Inventor: Eugene Yue Chieh Chang