Patents by Inventor John Erjavec

John Erjavec 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).

  • Process for 2-mercaptobenzothiazole
    Patent number: 3975394
    Abstract: A process for preparing 2-mercaptobenzothiazole is provided which comprises reacting benzothiazole with sulfur in a molar ratio of benzothiazole to sulfur in a range of from about 1:0.9 to 1:1.3 at a temperature of from about 200.degree. to 260.degree.C. for about 30 minutes to 3 hours.
    Type: Grant
    Filed: November 14, 1974
    Date of Patent: August 17, 1976
    Assignee: American Cyanamid Company
    Inventors: George Louis Mina, John Erjavec