Patents by Inventor Friedhelm Buse

Friedhelm Buse 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).

  • Aqueous dyestuff preparation: lithium bicarbonate and reactive dye
    Patent number: 5256161
    Abstract: An improved aqueous dyestuff preparation which is suitable for the dyeing or printing of substrates contains a water-soluble lithium compound and an alkali, in particular sodium hydroxide.
    Type: Grant
    Filed: April 28, 1992
    Date of Patent: October 26, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Grutze, Friedhelm Buse, Johannes Haas, Manfred Hobohm