Patents by Inventor Claus-Peter T. Halsig

Claus-Peter T. Halsig 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: 5292993
    Abstract: The impurity content, e.g. propionitrile, in a fraction containing C.sub.5 or C.sub.6 tertiary olefins obtained by cracking hydrocarbons is reduced by distilling with an alkanol and removing the impurity as a higher boiling point fraction.
    Type: Grant
    Filed: August 5, 1992
    Date of Patent: March 8, 1994
    Assignee: The British Petroleum Company p.l.c.
    Inventor: Claus-Peter T. Halsig