Patents by Inventor Stephan Schuessler

Stephan Schuessler 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 and bioreactor for the cultivation of microorganisms
    Patent number: 9382508
    Abstract: A method for the cultivation of microorganisms, especially phototrophic microorganisms in a bioreactor or photobioreactor, wherein bicarbonate ions and carbonate ions or a cation surplus concentration in the culture medium is added. A tubular bioreactor and photobioreactor is disclosed for carrying out the method.
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: July 5, 2016
    Assignees: LGem B.V., Georg Fischer Piping Systems Ltd.
    Inventors: Stephan Schuessler, Eugene J. A. Roebroeck, Sander H. E. Hazewinkel, Obbo J. H. Hazewinkel
  • POLYVINYL CHLORIDE - COMPOSITION, TUBE, CHANNEL OR CONTAINER, USE OF A PVC COMPOSITION AND USE OF A TUBE, OF A CHANNEL OR OF A CONTAINER
    Publication number: 20150000782
    Abstract: A polyvinyl chloride (PVC) composition is proposed which comprises a PVC resin having a molecular weight distribution having a number average of MN=60 kDa to MN=70 kDa and a weight average of MW=114 kDa to MW=124 kDa, wherein the total composition has a chlorine content from 56% to 62%.
    Type: Application
    Filed: January 4, 2013
    Publication date: January 1, 2015
    Inventors: Stephan Schuessler, Achim Weiss, Gerhard Wewior, Florian Giersbach
  • Polyolefin composition
    Patent number: 8859670
    Abstract: A polyolefin composition having an increased modulus of elasticity as well as increased heat resistance, wherein the polymer composition has high melt viscosity, and wherein the composition contains a carbon material as a filler, wherein the filler is present in the form of a carbon nanofiber.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: October 14, 2014
    Assignee: Georg Fischer Rohrleitungssysteme AG
    Inventors: Stephan Schuessler, Michaela Lendl, Bernd Kretzschmar
  • METHOD AND BIOREACTOR FOR THE CULTIVATION OF MICROORGANISMS
    Publication number: 20140017769
    Abstract: A method for the cultivation of microorganisms, especially phototrophic microorganisms in a bioreactor or photobioreactor, wherein bicarbonate ions and carbonate ions or a cation surplus concentration in the culture medium is added. A tubular bioreactor and photobioreactor is disclosed for carrying out the method.
    Type: Application
    Filed: February 10, 2012
    Publication date: January 16, 2014
    Inventors: Stephan Schuessler, Eugene J.A. Roebroeck, Sander H.E. Hazewinkel, Obbo J.H. Hazewinkel
  • POLYMER COMPOSITION FOR PHOTOBIOREACTORS
    Publication number: 20120184027
    Abstract: A polymer composition having a modified absorption and transmission characteristic particularly suited for photoreactors or photobioreactors made of plastic molded parts and exposed to sunlight or suitable artificial light sources, the polymer selectively comprises the following substances or a combination thereof in addition to the conventional standard additives: an inorganic or organic near infrared absorber for absorbing long-wavelength radiation, an inorganic or organic reflector for reflecting ultraviolet radiation, an inorganic or organic reflector for reflecting visible, near infrared, or infrared radiation, an optical brightener or fluorescent dye for converting the absorbed ultraviolet radiation into visible light or fluorescent light, a photochromic dye for modifying the transmission characteristic of the plastic molded part as a function of light intensity, and an antimicrobial additive for preventing or reducing organic deposits in the photobioreactor.
    Type: Application
    Filed: July 1, 2010
    Publication date: July 19, 2012
    Applicant: GEORG FISCHER DEKA GMBH
    Inventors: Stephan Schuessler, Inno Gaul, Harald Kuppelmaier, Gerrit Proper
  • POLYOLEFIN COMPOSITION
    Publication number: 20120070598
    Abstract: A polyolefin composition having an increased modulus of elasticity as well as increased heat resistance, wherein the polymer composition has high melt viscosity, and wherein the composition contains a carbon material as a filler, wherein the filler is present in the form of a carbon nanofiber.
    Type: Application
    Filed: May 20, 2010
    Publication date: March 22, 2012
    Applicant: GEORG FISCHER ROHRLEITUNGSSYSTEME AG
    Inventors: Stephan Schuessler, Michaela Lendl, Bernd Kretzschmar