Patents by Inventor Samuel Kaizerman

Samuel Kaizerman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polyurethane compositions stabilized with ketoximes
    Patent number: 4203889
    Abstract: A polyurethane polymer stabilized against the deteriorative effects of ultraviolet light and nitrogen oxides is provided comprising the polymer combined with a stabilizing amount of an oxime of an aliphatic or cycloaliphatic ketone.
    Type: Grant
    Filed: December 18, 1974
    Date of Patent: May 20, 1980
    Assignee: American Cyanamid Company
    Inventors: Eugene Y. C. Chang, Samuel Kaizerman
  • Polyurethane latices modified by a vinyl polymer
    Patent number: 4198330
    Abstract: A composition of matter is provided comprising a polyurethane latex and a polymer of at least one vinyl monomer, said polymer having been obtained by free radical polymerization of said monomer in the presence of the latex and being characterized as a hard, resinous material at temperatures below about 60.degree. C.
    Type: Grant
    Filed: November 12, 1975
    Date of Patent: April 15, 1980
    Assignee: American Cyanamid Company
    Inventors: Samuel Kaizerman, Romeo R. Aloia
  • Polyurethanes stabilized against ultraviolet light and nitrogen oxide deterioration
    Patent number: 4157359
    Abstract: A polyurethane polymer stabilized against the deteriorative effects of ultraviolet light and nitrogen oxides is provided comprising the polymer combined with a stabilizing amount of an aminoplast resin.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: June 5, 1979
    Assignee: American Cyanamid Co.
    Inventors: Eugene Y. C. Chang, Samuel Kaizerman
  • Polyurethanes stabilized against ultraviolet light and nitrogen oxide deterioration
    Patent number: 4130542
    Abstract: A polyurethane polymer stabilized against the deteriorative effects of ultraviolet light and nitrogen oxides which comprises a polyurethane polymer and a stabilizing amount of an aliphatic or cycloaliphatic monoisocyanate or diisocyanate, said polyurethane polymer comprising an isocyanate terminated prepolymer obtained by reacting a polyether or a polyester with an excess of an aromatic diisocyanate, forming an emulsion thereof and subsequently chain-extending the prepolymer with water.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: December 19, 1978
    Assignee: American Cyanamid Company
    Inventors: Eugene Y. C. Chang, Samuel Kaizerman
  • 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
  • Process for preparing polyformals in the presence of an organic epoxide
    Patent number: 4090990
    Abstract: An improved process for preparing polyformals is provided which comprises condensing an aliphatic diol, in which the hydroxyl groups are separated by at least four carbon atoms, with an essentially stoichiometric amount of formaldehyde in the presence of a Bronsted acid catalyst and contacting the condensation product with an organic epoxide in an amount sufficient to react with the residue of said catalyst.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: May 23, 1978
    Assignee: American Cyanamid Company
    Inventors: Ajaib Singh, Samuel Kaizerman
  • Sulfur vulcanizable ethylene-vinyl acetate copolymer elastomers
    Patent number: 3972857
    Abstract: Copolymers of ethylene and vinyl acetate which contain additionally activated halogen atoms as sites for sulfur vulcanization, and the sulfur vulcanized elastomer obtained therefrom.
    Type: Grant
    Filed: May 8, 1975
    Date of Patent: August 3, 1976
    Assignee: American Cyanamid Company
    Inventors: Samuel Kaizerman, Robert Saxon