Patents by Inventor Wolfgang Zoller

Wolfgang Zoller 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).

  • Process for preparing methylchlorosilanes
    Patent number: 7550620
    Abstract: The invention relates to a process for the direct synthesis of methylchlorosilanes by reaction of chloromethane with a contact composition comprising silicon and copper catalyst, wherein the concentration of oxygen in the chloromethane used is reduced by mixing a) chloromethane which contains oxygen, and b) chloromethane which contains a gaseous boron compound.
    Type: Grant
    Filed: September 18, 2007
    Date of Patent: June 23, 2009
    Assignee: Wacker Chemie AG
    Inventors: Wilfried Kalchauer, Jochen Gross, Wolfgang Zoller
  • Process For Preparing Methylchlorosilanes
    Publication number: 20080071103
    Abstract: The invention relates to a process for the direct synthesis of methylchlorosilanes by reaction of chloromethane with a contact composition comprising silicon and copper catalyst, wherein the concentration of oxygen in the chloromethane used is reduced by mixing a) chloromethane which contains oxygen, and b) chloromethane which contains a gaseous boron compound.
    Type: Application
    Filed: September 18, 2007
    Publication date: March 20, 2008
    Applicant: WACKER CHEMIE AG
    Inventors: Wilfried Kalchauer, Jochen Gross, Wolfgang Zoller
  • Bottle
    Patent number: D299116
    Type: Grant
    Filed: December 31, 1985
    Date of Patent: December 27, 1988
    Inventor: Wolfgang Zoller
  • Bottle
    Patent number: D305991
    Type: Grant
    Filed: December 31, 1985
    Date of Patent: February 13, 1990
    Assignee: Sempe S.A.
    Inventor: Wolfgang Zoller
  • Bottle
    Patent number: D318221
    Type: Grant
    Filed: April 4, 1989
    Date of Patent: July 16, 1991
    Inventor: Wolfgang Zoller
  • Bottle
    Patent number: D403240
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: December 29, 1998
    Assignee: Primalco Ltd
    Inventor: Wolfgang Zoller