Patents by Inventor Udo Kittelmann

Udo Kittelmann 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).

  • Method for producing metal compounds
    Patent number: 9079924
    Abstract: The invention relates to processes for preparing metal(IV) compounds which are suitable especially as catalysts for preparation of polyesters, polyurethanes and polysiloxanes, and to the use of the metal compounds for preparation of polyesters, polyurethanes or polysiloxanes.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: July 14, 2015
    Assignee: Bayer MaterialScience AG
    Inventors: Frank Lehmann, Udo Kittelmann
  • METHOD FOR PRODUCING METAL COMPOUNDS
    Publication number: 20130023685
    Abstract: The invention relates to processes for preparing metal(IV) compounds which are suitable especially as catalysts for preparation of polyesters, polyurethanes and polysiloxanes, and to the use of the metal compounds for preparation of polyesters, polyurethanes or polysiloxanes.
    Type: Application
    Filed: October 29, 2010
    Publication date: January 24, 2013
    Inventors: Frank Lehmann, Udo Kittelmann
  • Process for the production of zeolites modified on the surface with organosilanes
    Patent number: 4454056
    Abstract: The invention is directed to a process for the production of zeolites of the type Na A4 having the surface modified with organosilanes. The organosilane must have at least one alkoxy group bonded to the silicon atom. The modified zeolites of the invention are used in washing and cleansing agents.
    Type: Grant
    Filed: March 9, 1983
    Date of Patent: June 12, 1984
    Assignee: Degussa Aktiengesellschaft
    Inventors: Udo Kittelmann, Manfred Diehl, Roland Bergmann, Gunter Stadtmuller