Patents by Inventor Frauke Kirschbaum

Frauke Kirschbaum 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).

  • Porous membranes made up of organopolysiloxane copolymers
    Patent number: 9475010
    Abstract: The object of the invention is porous membranes (M) comprising organopolysiloxane/polyurea/polyurethane/polyamide/polyoxalyl diamine copolymers of the general formula (1), where R, X, Y, D, E, F, B, B?, m, n, a, b, c and d have the meanings indicated in claim 1, with the proviso that at least 10% of the RH groups present in structural elements E, F and bound to nitrogen indicate hydrogen, and a method for the production of the membranes (M) and use thereof for separating material mixtures.
    Type: Grant
    Filed: August 13, 2009
    Date of Patent: October 25, 2016
    Assignee: Wacker Chemie AG
    Inventors: Manfred Hoelzl, Frauke Kirschbaum
  • Method for producing porous silicon molded bodies
    Patent number: 8629193
    Abstract: Thin porous moldings of silicone copolymers, suitable for use as membranes in separation processes, are prepared by forming a solution or suspension of silicone copolymer in two solvents L1 and L2, casting the suspension or solution, and removing solvent L1 to form a silicone copolymer rich phase A, effecting structure formation, and then removing solvent L2 and residues of solvent L2 to form a thin porous molding.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: January 14, 2014
    Assignee: Wacker Chemie AG
    Inventors: Manfred Hoelzl, Frauke Kirschbaum, Robert Maurer, Juergen Pfeiffer, Konrad Alfons Wierer
  • METHOD FOR PRODUCING POROUS SILICON MOLDED BODIES
    Publication number: 20120296062
    Abstract: Thin porous moldings of silicone copolymers, suitable for use as membranes in separation processes, are prepared by forming a solution or suspension of silicone copolymer in two solvents L1 and L2, casting the suspension or solution, and removing solvent L1 to form a silicone copolymer rich phase A, effecting structure formation, and then removing solvent L2 and residues of solvent L2 to form a thin porous molding.
    Type: Application
    Filed: January 19, 2011
    Publication date: November 22, 2012
    Applicant: WACKER CHEMIE AG
    Inventors: Manfred Hoelzl, Frauke Kirschbaum, Robert Maurer, Juergen Pfeiffer, Konrad Alfons Wierer
  • POROUS MEMBRANES MADE UP OF ORGANOPOLYSILOXANE COPOLYMERS
    Publication number: 20110127219
    Abstract: The object of the invention is porous membranes (M) comprising organopolysiloxane/polyurea/polyurethane/polyamide/polyoxalyl diamine copolymers of the general formula (1), where R, X, Y, D, E, F, B, B?, m, n, a, b, c and d have the meanings indicated in claim 1, with the proviso that at least 10% of the RH groups present in structural elements E, F and bound to nitrogen indicate hydrogen, and a method for the production of the membranes (M) and use thereof for separating material mixtures.
    Type: Application
    Filed: August 13, 2009
    Publication date: June 2, 2011
    Applicant: WACKER CHEMIE AG
    Inventors: Manfred Hoelzl, Frauke Kirschbaum