Patents by Inventor Jochen Stegemann

Jochen Stegemann 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).

  • Continuous process for the preparation of a reactive polymer
    Patent number: 7847031
    Abstract: A continuous process for the reactive compatibilization of polymers includes I. processing monooxazoline, bisoxazoline or a mixture thereof together with a first polymer, to give a reactive polymer; and II. adding the reactive polymer to one or more second polymers. In addition, a reactive polymer contains I. a first polymer; and II. at least 5% by weight of chemically unbound monooxazoline, bisoxazoline or a mixture thereof.
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: December 7, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Marianne Omeis, Jürgen Szumigala, Jochen Stegemann
  • CONTINUOUS PROCESS FOR THE PREPARATION OF A REACTIVE POLYMER
    Publication number: 20080207838
    Abstract: A continuous process for the reactive compatibilization of polymers includes I. processing monooxazoline, bisoxazoline or a mixture thereof together with a first polymer, to give a reactive polymer; and II. adding the reactive polymer to one or more second polymers. In addition, a reactive polymer contains I. a first polymer; and II. at least 5% by weight of chemically unbound monooxazoline, bisoxazoline or a mixture thereof.
    Type: Application
    Filed: February 26, 2008
    Publication date: August 28, 2008
    Applicant: EVONIK DEGUSSA Gmbh
    Inventors: Marianne Omeis, Juergen Szumigala, Jochen Stegemann