Patents by Inventor Rosemarie Burger

Rosemarie Burger 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: 9290523
    Abstract: The invention relates to a process for preparing urea-containing silanes of the general formula I wherein a diamine of the general formula II H2N—R—S—S—R—NH2??(II) is reacted with isocyanatosilane of the general formula III (R1)3Si—R—NCO??(III) in water.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: March 22, 2016
    Assignee: Evonik Industries AG
    Inventors: Sebastian Rosenstingl, Ralph Moser, Caren Röben, Rosemarie Burger
  • Publication number: 20150329574
    Abstract: The invention relates to a process for preparing urea-containing silanes of the general formula I wherein a diamine of the general formula II H2N—R—S—S—R—NH2??(II) is reacted with isocyanatosilane of the general formula III (R1)3Si—R—NCO??(III) in water.
    Type: Application
    Filed: May 13, 2015
    Publication date: November 19, 2015
    Inventors: Ralph Moser, Sebastian Rosenstingl, Rosemarie Burger
  • Patent number: 6695904
    Abstract: A composition which retains a flash point of more than 21° C. even on storage and is obtainable by mixing and reacting (i) from 50 to 70% by weight of at least one alkyltrialkoxysilane, (ii) from 10 to 25% by weight of at least one alkoxysiloxane and/or at least one tetraalkoxysilane, (iii) from 15 to 25% by weight of at least one aqueous silica sol, (iv) from 0.1 to 5% by weight of at least one acid, and (v) from 0.1 to 60% by weight of at least one alcohol and/or glycol, the sum of the above components being not more than 100% by weight, by introducing components (i) and (ii) and also, if desired, a fraction of component (v) as an initial charge, adding component (iii), adjusting the mixture to a temperature in the range from −5 to 10° C.
    Type: Grant
    Filed: August 26, 2002
    Date of Patent: February 24, 2004
    Assignee: Degussa AG
    Inventors: Rosemarie Burger, Jaroslaw Monkiewicz, Roland Edelmann, Bjoern Borup
  • Publication number: 20030041779
    Abstract: A composition which retains a flash point of more than 21° C.
    Type: Application
    Filed: August 26, 2002
    Publication date: March 6, 2003
    Applicant: DEGUSSA AG
    Inventors: Rosemarie Burger, Jaroslaw Monkiewicz, Roland Edelmann, Bjoern Borup