Patents by Inventor Hans-Joachim Nebel

Hans-Joachim Nebel 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 the manufacture of basic chrome tanning agents soluble in coldwater
    Patent number: 3966402
    Abstract: Process for the manufacture of powdered chromium sulfate soluble in cold water, wherein aqueous chromium sulfate solutions are evaporated in the presence of at least one glycol.
    Type: Grant
    Filed: July 5, 1974
    Date of Patent: June 29, 1976
    Assignee: BASF Aktiengesellschaft
    Inventor: Hans-Joachim Nebel