Patents by Inventor Pol Balmelis

Pol Balmelis 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 working up tars containing 2-mercaptobenzothiazole
    Patent number: 4780540
    Abstract: Tar-like residues from the preparation of 2-mercaptobenzothiazole can be used by heating them at temperatures above 200.degree. C. for at least 1 hour and separating off the aniline and benzothiazole thereby formed.
    Type: Grant
    Filed: February 3, 1987
    Date of Patent: October 25, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gabriel Denecker, Guido Lahousse, Henri Vandebroek, Pol Balmelis