Patents by Inventor Georg Bourscheidt

Georg Bourscheidt 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).

  • Patent number: 8273853
    Abstract: Disclosed is a process for the preparation of emulsifiers E1 which are obtained by (a) reacting a polyol with propylene oxide or a mixture of ethylene oxide and propylene oxide, to give an intermediate Z1, (b) reacting the intermediate Z1 with epichlorohydrin, forming an intermediate Z2, (c) reacting the intermediate Z2 with an adduct of ethylene oxide or a mixture of ethylene oxide and propylene oxide, with a C1-C22 monoalcohol, provided that on average at least one epoxide function of the intermediate Z2 is reacted and on average at least one epoxide function originating from the intermediate Z2 is retained. Compounds E1 are suitable as emulsifiers for preparing aqueous emulsions or dispersions of epoxy resins.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: September 25, 2012
    Assignee: Cognis IP Management GmbH
    Inventors: Paul Birnbrich, Hans-Josef Thomas, Giorgio Sabbadini, Ulrich Nagorny, Georg Bourscheidt
  • Publication number: 20090253860
    Abstract: Disclosed is a process for the preparation of emulsifiers E1 which are obtained by (a) reacting a polyol with propylene oxide or a mixture of ethylene oxide and propylene oxide, to give an intermediate Z1, (b) reacting the intermediate Z1 with epichlorohydrin, forming an intermediate Z2, (c) reacting the intermediate Z2 with an adduct of ethylene oxide or a mixture of ethylene oxide and propylene oxide, with a C1-C22 monoalcohol, provided that on average at least one epoxide function of the intermediate Z2 is reacted and on average at least one epoxide function originating from the intermediate Z2 is retained. Compounds E1 are suitable as emulsifiers for preparing aqueous emulsions or dispersions of epoxy resins.
    Type: Application
    Filed: April 3, 2009
    Publication date: October 8, 2009
    Applicant: Cognis IP Management GmbH
    Inventors: Paul Birnbrich, Hans-Josef Thomas, Giorgio Sabbadini, Ulrich Nagorny, Georg Bourscheidt