Patents by Inventor Robert N. Ecsedy

Robert N. Ecsedy 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).

  • Use of para-tert. butyl phenol disulfide for vulcanizing chlorobutyl rubber compositions
    Patent number: 3968062
    Abstract: An improved process for preparing chlorobutyl rubber compositions employs, as curing agent, para-tert. butyl phenol disulfide having a sulfur content in excess of about 27 wt% and a softening point not less than 80.degree.C. Para-tert. butyl phenol disulfide is a solid substance which, unlike other commercially employed alkyl phenol sulfides, is a non-tacky brittle solid which does not deteriorate as by coalescing under normal storage conditions.
    Type: Grant
    Filed: August 23, 1974
    Date of Patent: July 6, 1976
    Assignee: Fairfield Chemical Services
    Inventor: Robert N. Ecsedy