Patents by Inventor Volker Schwindt

Volker Schwindt 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).

  • Reactive compositions containing blocked polyisocyanates and amine-functional resins
    Patent number: 6060574
    Abstract: The present invention relates to a reactive composition containingA) an organic polyisocyanate having a number average molecular weight (excluding the blocking agent) of 168 to 25,000, wherein the isocyanate groups are reversibly blocked with a hydrocarbon resin containing phenolic OH groups,B) at least one organic polyamine having at least two primary amino groups andC) optionally a compound containing oxirane groups.The present invention also relates to the use of these reactive systems for the preparation of coatings, adhesives, sealants, embedding compounds or molded articles.
    Type: Grant
    Filed: April 7, 1999
    Date of Patent: May 9, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Schmalstieg, Volker Schwindt, Tillmann Hassel, Gerhard Ruttmann, Jurgen Schwindt