Patents by Inventor France Knaflic

France Knaflic 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).

  • Lime-free and sulfide-free liming process
    Patent number: 4229175
    Abstract: A continuous liming process using sodium hydroxide solution and sodium sulfate and/or sodium salts of dicarboxylic acids, instead of conventional liming components.
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: October 21, 1980
    Assignee: BASF Aktiengesellschaft
    Inventors: France Knaflic, Franz-Friedrich Miller
  • Dehairing skin and hide
    Patent number: 4175922
    Abstract: Process for dehairing skin and hide with mercapto compounds in the presence of an alkaline medium in a short liquor.
    Type: Grant
    Filed: November 15, 1972
    Date of Patent: November 27, 1979
    Assignee: Badische Anilin- & Soda-Fabrik Aktiengesellschaft
    Inventors: Guenter Eckert, France Knaflic, Franz-Friedrich Miller, Alfred Zissel