Patents by Inventor Jürgen Cramer

Jürgen Cramer 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 bleach activator cogranulates
    Patent number: 7332464
    Abstract: Bleach activator cogranulates of one or more ammonium nitrites and at least one further bleach activator obtained by spraying an aqueous solution of one or more ammonium nitrites onto the further bleach activator, granulating the resulting mixture and drying and sieving the moist granulate.
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: February 19, 2008
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Jürgen Cramer, Johannes Himmrich, Helmut Kramer
  • Process for preparing bleach activator cogranulates
    Publication number: 20060252664
    Abstract: Bleach activator cogranulates of one or more ammonium nitrites and at least one further bleach activator obtained by spraying an aqueous solution of one or more ammonium nitrites onto the further bleach activator, granulating the resulting mixture and drying and sieving the moist granulate.
    Type: Application
    Filed: July 6, 2006
    Publication date: November 9, 2006
    Inventors: Jürgen Cramer, Johannes Himmrich, Helmut Kramer
  • Bleach activator granules
    Patent number: 6214785
    Abstract: What is claimed are bleach activator granules which are obtained by mixing a bleach activator with a binder and x% by weight of the total amount of a water-soluble polymer, spraying of water which comprises 100-x% by weight of the total amount of the water-soluble polymer, where x is a number from 0 to 100, and subsequent granulation and drying.
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: April 10, 2001
    Assignee: Clariant GmbH
    Inventors: Johannes Himmrich, Jürgen Cramer