Patents by Inventor Oliver Erpeldinger

Oliver Erpeldinger 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 and composition for inhibiting the polymerization of cyclopentadiene compounds
    Patent number: 10138183
    Abstract: A process for inhibiting the polymerization of cyclopentadiene compounds (B) by contacting the cyclopentadiene compound with a quinone methide compound (A) of structure (I), Compositions (AB) comprising (A) and (B) are also provided.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: November 27, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Stefanie Rinker, Bettina Ludwig, Manfred Neumann, Felix Nissen, Oliver Erpeldinger, Phillip R. James, Peter Watkins
  • Process and composition for inhibiting the polymerization of cyclopentadiene compounds
    Patent number: 9670116
    Abstract: A process for inhibiting the polymerization of cyclopentadiene compounds (B) by contacting the cyclopentadiene compound with a quinone methide compound (A) of structure (I), Compositions (AB) comprising (A) and (B) are also provided.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: June 6, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Stefanie Rinker, Bettina Ludwig, Manfred Neumann, Felix Nissen, Oliver Erpeldinger, Phillip R. James, Peter Watkins
  • Process and composition for inhibiting the polymerization of cyclopentadiene compounds
    Patent number: 9493382
    Abstract: A process for inhibiting the polymerization of cyclopentadiene compounds (B) by contacting the cyclopentadiene compound with a quinone methide compound (A) of structure (I), Compositions (AB) comprising (A) and (B) are also provided.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: November 15, 2016
    Assignee: Evonik Degussa GmbH
    Inventors: Stefanie Rinker, Bettina Ludwig, Manfred Neumann, Felix Nissen, Oliver Erpeldinger, Phillip R. James, Peter Watkins
  • PROCESS AND COMPOSITION FOR INHIBITING THE POLYMERIZATION OF CYCLOPENTADIENE COMPOUNDS
    Publication number: 20160237346
    Abstract: A process for inhibiting the polymerization of cyclopentadiene compounds (B) by contacting the cyclopentadiene compound with a quinone methide compound (A) of structure (I), Compositions (AB) comprising (A) and (B) are also provided.
    Type: Application
    Filed: April 25, 2016
    Publication date: August 18, 2016
    Applicant: Evonik Degussa GmbH
    Inventors: Stefanie RINKER, Bettina Ludwig, Manfred Neumann, Felix Nissen, Oliver Erpeldinger, Phillip R. James, Peter Watkins
  • PROCESS AND COMPOSITION FOR INHIBITING THE POLYMERIZATION OF CYCLOPENTADIENE COMPOUNDS
    Publication number: 20160237008
    Abstract: A process for inhibiting the polymerization of cyclopentadiene compounds (B) by contacting the cyclopentadiene compound with a quinone methide compound (A) of structure (I), Compositions (AB) comprising (A) and (B) are also provided.
    Type: Application
    Filed: April 25, 2016
    Publication date: August 18, 2016
    Applicant: Evonik Degussa GmbH
    Inventors: Stefanie RINKER, Bettina Ludwig, Manfred NEUMANN, Felix NISSEN, Oliver ERPELDINGER, Phillip R. JAMES, Peter WATKINS
  • PROCESS AND COMPOSITION FOR INHIBITING THE POLYMERIZATION OF CYCLOPENTADIENE COMPOUNDS
    Publication number: 20140288337
    Abstract: A process for inhibiting the polymerization of cyclopentadiene compounds (B) by contacting the cyclopentadiene compound with a quinone methide compound (A) of structure (I), Compositions (AB) comprising (A) and (B) are also provided.
    Type: Application
    Filed: March 18, 2014
    Publication date: September 25, 2014
    Applicant: Evonik Industries AG
    Inventors: Stefanie RINKER, Bettina Bressel, Manfred Neumann, Felix Nissen, Oliver Erpeldinger, Phillip R. James, Peter Watkins
  • Process for stabilizing olefinically unsaturated monomers
    Patent number: 8809431
    Abstract: An olefinically unsaturated monomer is stabilized by a retarder-containing composition which comprises a solvent and a quinone methide as a retarder.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: August 19, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Stefanie Weyler, Phillip James, Oliver Erpeldinger, Manfred Neumann, Frank Kraushaar
  • Process for preparing substituted 1,4-quinone methides
    Patent number: 8212081
    Abstract: A method for preparing a substituted 1,4-quinone methide from a 3,5-disubstituted 4-hydroxybenzaldehyde is provided. Also provided is a method to prepare a 3,5-disubstituted 4-hydroxybenzaldehyde from the corresponding 2,6-disubstituted phenol.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: July 3, 2012
    Assignee: Evonik Degussa GmbH
    Inventors: Stefanie Rinker, Phillip R. James, Manfred Neumann, Oliver Erpeldinger, Frank Kraushaar
  • PROCESS FOR STABILIZING OLEFINICALLY UNSATURATED MONOMERS
    Publication number: 20120101295
    Abstract: An olefinically unsaturated monomer is stabilized by a retarder-containing composition which comprises a solvent and a quinone methide as a retarder.
    Type: Application
    Filed: January 3, 2012
    Publication date: April 26, 2012
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Stefanie Weyler, Phillip James, Oliver Erpeldinger, Manfred Neumann, Frank Kraushaar
  • Process for stabilizing olefinically unsaturated monomers
    Patent number: 8128804
    Abstract: An olefinically unsaturated monomer is stabilized by a retarder-containing composition which comprises a solvent and a quinone methide as a retarder.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: March 6, 2012
    Assignee: Evonik Degussa GmbH
    Inventors: Stefanie Weyler, Phillip James, Oliver Erpeldinger, Manfred Neumann, Frank Kraushaar
  • PROCESS FOR PREPARING SUBSTITUTED 1,4-QUINONE METHIDES
    Publication number: 20100267992
    Abstract: A method for preparing a substituted 1,4-quinone methide from a 3,5-disubstituted 4-hydroxybenzaldehyde is provided. Also provided is a method to prepare a 3,5-disubstituted 4-hydroxybenzaldehyde from the corresponding 2,6-disubstituted phenol.
    Type: Application
    Filed: April 20, 2010
    Publication date: October 21, 2010
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Stefanie RINKER, Phillip R. James, Manfred Neumann, Oliver Erpeldinger, Frank Kraushaar
  • PROCESS FOR STABILIZING OLEFINICALLY UNSATURATED MONOMERS
    Publication number: 20090114878
    Abstract: An olefinically unsaturated monomer is stabilized by a retarder-containing composition which comprises a solvent and a quinone methide as a retarder.
    Type: Application
    Filed: October 31, 2008
    Publication date: May 7, 2009
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Stefanie Weyler, Phillip James, Oliver Erpeldinger, Manfred Neumann, Frank Kraushaar
  • POLYMERIZATION INHIBITOR FOR STABILIZING OLEFINICALLY UNSATURATED MONOMERS
    Publication number: 20070208204
    Abstract: A polymerization inhibitor for stabilizing olefinically unsaturated monomers containing at least one compound of formula (1) and/or (2) according to the invention. Stabilized monomer compositions.
    Type: Application
    Filed: February 5, 2007
    Publication date: September 6, 2007
    Applicant: DEGUSSA GmbH
    Inventors: Oliver Meyer, Phillip James, Oliver Erpeldinger, Frank Kraushaar