Patents by Inventor Reinhold Klipper

Reinhold Klipper 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 preparing cyclic N-vinylacylamines
    Patent number: 4511722
    Abstract: Cyclic N-vinylacylamines are prepared by heating carbonic acid esters of cyclic N-2-hydroxyethylacylamines in the presence of a catalytic amount of alkali or alkaline earth metal compound having an alkaline reaction and subsequently distilling the reaction mixture.Cyclic N-vinylacylamines are valuable precursors for preparing plant protection agents and medicaments and serve as polymerization and copolymerization components for preparing plastics, surface coatings, paints and ion exchange materials.
    Type: Grant
    Filed: February 16, 1983
    Date of Patent: April 16, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinrich Krimm, Hans-Josef Buysch, Peter M. Lange, Reinhold Klipper