Patents Represented by Attorney J. A. Rozmajzl

Find this attorney in the Justia Lawyer Directory

  • Age resistant polymeric compositions
    Patent number: 3953398
    Abstract: Antioxidants such as 3,5-di tert.butyl-4-hydroxy-cinnamonitrile and ethyl 3,5-di tert.hexyl-4-hydroxycinnamate, age resistant polymers having monomeric age resistors physically combined therewith and age resistant polymeric compositions prepared by free radical polymerization techniques involving the use of said antioxidants as monomers.
    Type: Grant
    Filed: October 26, 1972
    Date of Patent: April 27, 1976
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Richard H. Kline
  • Age resistant polymers of 4-(arylamino)aryl esters of .alpha.,.beta. unsaturated carboxylic acids
    Patent number: 3953411
    Abstract: Ester age resisters such as 4-anilinophenyl acrylate and 4-anilinophenyl methacrylate, age resistant polymers having ester age resisters physically combined therewith and age resistant polymeric compositions prepared by free radical polymerization techniques involving the use of said esters as monomers.
    Type: Grant
    Filed: June 15, 1971
    Date of Patent: April 27, 1976
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Richard H. Kline
  • Age resistant polymers of ditertiary alkyl-4-hydroxyaryl acrylate and dienes
    Patent number: 3953402
    Abstract: Antioxidants such as 3,5-di tert.butyl-4-hydroxyphenyl acrylate and 3,5-di tert.butyl-4-hydroxyphenyl methacrylate, age resistant polymers having age resistors physically combined therewith and age resistant polymeric compositions prepared by emulsion free radical polymerization techniques involving the use of said age resistors as monomers.
    Type: Grant
    Filed: July 20, 1970
    Date of Patent: April 27, 1976
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Richard H. Kline
  • Preparation of methacrylamides
    Patent number: 3945970
    Abstract: An improved process for the preparation of methacrylamides from primary amines, methacrylic esters, and base catalysts such as alkoxides and amides. Some products are obtained in the form useful as comonomers in the preparation of elastomers.
    Type: Grant
    Filed: June 28, 1974
    Date of Patent: March 23, 1976
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Roger W. Spoerke
  • N,N'-bisimidothio-diamines
    Patent number: 3944552
    Abstract: Imides such as N-(morpholinothio)phthalimide are used to affect the vulcanization characteristics of sulfur vulcanizable polymers by increasing the state of vulcanization and/or improving scorch resistance and/or increasing the rate of vulcanization.
    Type: Grant
    Filed: March 7, 1974
    Date of Patent: March 16, 1976
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: John P. Lawrence
  • Phenolic antioxidants prepared from a pentacyclo-tetradeca-5,11-diene
    Patent number: 3935281
    Abstract: Phenolic antioxidants useful in the stabilization of oxidizable polymers such as polybutadiene, butadiene/styrene copolymers and polypropylene are prepared by reacting simple phenolic compounds with a pentacyclo-tetradeca-5,11-diene.
    Type: Grant
    Filed: May 6, 1974
    Date of Patent: January 27, 1976
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Kirkwood S. Cottman
  • Dialkylaminomethylphenols as catalyst deactivators for stereoregular diene polymers
    Patent number: 3935160
    Abstract: Dialkylaminomethylphenols such as 2,4,6-tris (dimethylaminomethyl) phenol are added, preferably along with another phenolic antioxidant prior to exposure to oxidative conditions, to a stereoregular polymer, a major portion of said polymer consisting of segmeric units derived from conjugated diolefin monomers, said polymer containing transition metal catalysts, to help prevent oxidative degradation of the polymer.This application is a continuation-in-part of U.S. application Ser. No. 356,693 filed May 2, 1973, now abandoned.
    Type: Grant
    Filed: January 9, 1975
    Date of Patent: January 27, 1976
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Richard H. Kline