Patents by Inventor Steffen Jungermann

Steffen Jungermann 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).

  • Method for producing (hydroxymethyl)polysiloxanes
    Patent number: 8822621
    Abstract: A method for producing (hydroxymethyl)polysiloxanes of the general formula I (SiO4/2)k(R1SiO3/2)m(R12SiO2/2)p(R13SiO1/2)q[O1/2—(SiR22—X—Y—)aSiR22—CH2—OH]s[O1/2H]t??formula I, includes reacting silanol-containing organosiloxanes of the general formula II (SiO4/2)k(R1SiO3/2)m(R12SiO2/2)p(R13SiO1/2)q[O1/2H]r??formula II with cyclic or acyclic compounds that include at least one unit of the general formula III Z—[O—CH2—SiR22]n—Y??formula III
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: September 2, 2014
    Assignee: Wacker Chemie AG
    Inventors: Jürgen Oliver Daiss, Jens Cremer, Elke Fritz-Langhals, Steffen Jungermann
  • Silicone-containing polyurethane foam
    Patent number: 8785511
    Abstract: Low density silicone-containing polyurethane foams with excellent surface characteristics are prepared by reacting a foamable composition containing a siloxane of the formula and an isocyanate, in the presence of at least one blowing agent.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: July 22, 2014
    Assignee: Wacker Chemie AG
    Inventors: Jens Cremer, Steffen Jungermann
  • SILICONE-CONTAINING POLYURETHANE FOAM
    Publication number: 20130253085
    Abstract: Low density silicone-containing polyurethane foams with excellent surface characteristics are prepared by reacting a foamable composition containing a siloxane of the formula and an isocyanate, in the presence of at least one blowing agent.
    Type: Application
    Filed: December 5, 2011
    Publication date: September 26, 2013
    Applicant: WACKER CHEMIE AG
    Inventors: Jens Cremer, Steffen Jungermann
  • Method for Producing (Hydroxymethyl)Polysiloxanes
    Publication number: 20120220793
    Abstract: A method for producing (hydroxymethyl)polysiloxanes of the general formula I (SiO4/2)k(R1SiO3/2)m(R12SiO2/2)p(R13SiO1/2)q[O1/2—(SiR22—X—Y—)aSiR22—CH2—OH]s[O1/2H]t ??formula I, includes reacting silanol-containing organosiloxanes of the general formula II (SiO4/2)k(R1SiO3/2)m(R12SiO2/2)p(R13SiO1/2)q[O1/2H]r ??formula II with cyclic or acyclic compounds that include at least one unit of the general formula III.
    Type: Application
    Filed: October 14, 2010
    Publication date: August 30, 2012
    Applicant: Wacker Chemie AG
    Inventors: Jürgen Oliver Daiss, Jens Cremer, Elke Fritz-Langhals, Steffen Jungermann