Patents by Inventor Mark D. Wolfinger

Mark D. Wolfinger 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).

  • Patent number: 4311813
    Abstract: Compounds of the formula ##STR1## in which R and R.sub.1 are alkyl are described which compounds are potent inhibitors of premature vulcanization of rubber.
    Type: Grant
    Filed: January 6, 1978
    Date of Patent: January 19, 1982
    Assignee: Monsanto Company
    Inventor: Mark D. Wolfinger
  • Patent number: 4207236
    Abstract: Compounds of the formula ##STR1## in which R.sub.1 and R.sub.2 independently are hydrogen, alkyl or aryl are described which compounds are potent inhibitors of premature vulcanization of rubber.
    Type: Grant
    Filed: February 16, 1979
    Date of Patent: June 10, 1980
    Assignee: Monsanto Company
    Inventor: Mark D. Wolfinger
  • Patent number: 4165417
    Abstract: Compounds of the formula ##STR1## IN WHICH R.sub.1 and R.sub.2 independently are hydrogen, alkyl or aryl are described which compounds are potent inhibitors of premature vulcanization of rubber.
    Type: Grant
    Filed: November 23, 1977
    Date of Patent: August 21, 1979
    Assignee: Monsanto Company
    Inventor: Mark D. Wolfinger
  • Patent number: 4080342
    Abstract: Compounds of the formula ##STR1## in which R and R.sub.1 are alkyl are described which compounds are potent inhibitors of premature vulcanization of rubber.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: March 21, 1978
    Assignee: Monsanto Company
    Inventor: Mark D. Wolfinger