Patents by Inventor David Karim Engelmark Cassimjee

David Karim Engelmark Cassimjee 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 the production of polyamines
    Patent number: 9085786
    Abstract: The present invention relates to a process for the production of a polyamine involving the use of enzymes; in particular to a process performed in aqueous environment; to the polyamines produced by said method; as well as the use of said polyamines for manufacturing paper, for immobilizing enzymes, or for preparing pharmaceutical or cosmetical compositions. The invention also relates to a novel method for in situ regeneration of cofactors NAD(P)+.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: July 21, 2015
    Assignee: BASF SE
    Inventors: Bernhard Hauer, David Karim Engelmark Cassimjee, Per Berglund
  • PROCESS FOR THE PRODUCTION OF POLYAMINES
    Publication number: 20120225932
    Abstract: The present invention relates to a process for the production of a polyamine involving the use of enzymes; in particular to a process performed in aqueous environment; to the polyamines produced by said method; as well as the use of said polyamines for manufacturing paper, for immobilizing enzymes, or for preparing pharmaceutical or cosmetical compositions. The invention also relates to a novel method for in situ regeneration of cofactors NAD(P)+.
    Type: Application
    Filed: October 29, 2010
    Publication date: September 6, 2012
    Applicant: BASF SE
    Inventors: Bernhard Hauer, David Karim Engelmark Cassimjee, Per Berglund