Patents by Inventor Alain Lejeune

Alain Lejeune 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 alkoxysilanes
    Patent number: 10294251
    Abstract: A transesterification process for preparing alkoxysilane includes removal of metal transesterification catalyst from the alkoxysilane transesterification reaction medium.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: May 21, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventors: Alain Lejeune, Antonio Chaves, Tiberiu Simandan, Ilaria Vecchi, Lesley Hwang, Andrea Trotto
  • PROCESS FOR PREPARING ALKOXYSILANES
    Publication number: 20170355720
    Abstract: A transesterification process for preparing alkoxysilane includes removal of metal transesterification catalyst from the alkoxysilane transesterification reaction medium.
    Type: Application
    Filed: June 7, 2017
    Publication date: December 14, 2017
    Inventors: Alain Lejeune, Antonio Chaves, Tiberiu Simandan, Ilaria Vecchi, Lesley HWANG, Andrea Trotto
  • Epoxy silane oligomer and coating composition containing same
    Patent number: 8338531
    Abstract: A process for producing an epoxy silane oligomer including a reaction glycidoxy silane and/or cycloaliphatic epoxy silane having 2 or 3 alkoxy groups and, optionally, a copolymerizable silane other than glycidoxy and cycloaliphatic epoxy silane, with less than 1.5 equivalents of water in the presence of a catalyst, wherein said water is continuously fed during the reaction.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: December 25, 2012
    Assignee: Momentive Perofrmance Materials Inc.
    Inventors: Alain Lejeune, Yves Gentil
  • Low VOC epoxy silane oligomer and compositions containing same
    Patent number: 7985821
    Abstract: A process for producing a low VOC epoxy silane oligomer which includes hydrolyzing an epoxy silane, the epoxy silane upon hydrolysis of its hydrolyzable sites producing a reduced amount of volatile organic compound compared to that produced by the hydrolysis of a silane possessing an equivalent number of hydrolyzable sites all of which are hydrolyzable alkoxy groups, the hydrolyzing of the epoxy silane being carried out with less than 1.5 equivalents of water, said water being continuously fed during the hydrolysis reaction.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: July 26, 2011
    Assignee: Momentive Performance Materials Inc.
    Inventors: Alain Lejeune, Yves Gentil
  • Fluorine-free trisiloxane surfactant compositions for use in coatings and printing ink compositions
    Patent number: 7964032
    Abstract: The present invention relates to coating and printing ink compositions possessing silicone surfactants compositions comprising fluorine-free organomodified trisiloxanes which are resistant to hydrolysis between a pH of about 3 to a pH of about 12. The coatings and printing ink composition of the present invention exhibit enhanced wetting, flow and leveling properties.
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: June 21, 2011
    Assignee: Momentive Performance Materials Inc.
    Inventors: Suresh K. Rajaraman, Alain Lejeune, Alexander Borovik, George A. Policello, Mark D. Leatherman, Wenqing Peng, Zijun Xia
  • EPOXY SILANE OLIGOMER AND COATING COMPOSITION CONTAINING SAME
    Publication number: 20110112221
    Abstract: A process for producing an epoxy silane oligomer including a reaction glycidoxy silane and/or cycloaliphatic epoxy silane having 2 or 3 allcoxy groups and, optionally, a copolymerizable silane other than glycidoxy and cycloaliphatic epoxy silane, with less than 1.5 equivalents of water in the presence of a catalyst, wherein said water is continuously fed during the reaction.
    Type: Application
    Filed: January 14, 2011
    Publication date: May 12, 2011
    Applicant: Momentive Performance Materials Inc.
    Inventors: Alain Lejeune, Yves Gentil
  • Low VOC epoxy silane oligomer and compositions containing same
    Patent number: 7906604
    Abstract: A process for producing a low VOC epoxy silane oligomer which includes hydrolyzing an epoxy silane, the epoxy silane upon hydrolysis of its hydrolyzable sites producing a reduced amount of volatile organic compound compared to that produced by the hydrolysis of a silane possessing an equivalent number of hydrolyzable sites all of which are hydrolyzable alkoxy groups, the hydrolyzing of the epoxy silane being carried out with less than 1.5 equivalents of water, said water being continuously fed during the hydrolysis reaction.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: March 15, 2011
    Assignee: Momentive Performance Materials Inc.
    Inventors: Alain Lejeune, Yves Gentil
  • Epoxy silane oligomer and coating composition containing same
    Patent number: 7893183
    Abstract: A process for producing an epoxy silane oligomer including a reaction glycidoxy silane and/or cycloaliphatic epoxy silane having 2 or 3 alkoxy groups and, optionally, a copolymerizable silane other than glycidoxy and cycloaliphatic epoxy silane, with less than 1.5 equivalents of water in the presence of a catalyst, wherein said water is continuously fed during the reaction.
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: February 22, 2011
    Assignee: Momentive Performance Materials Inc.
    Inventors: Alain Lejeune, Yves Gentil
  • LOW VOC EPOXY SILANE OLIGOMER AND COMPOSITIONS CONTAINING SAME
    Publication number: 20100217016
    Abstract: A process for producing a low VOC epoxy silane oligomer which includes hydrolyzing an epoxy silane, the epoxy silane upon hydrolysis of its hydrolyzable sites producing a reduced amount of volatile organic compound compared to that produced by the hydrolysis of a silane possessing an equivalent number of hydrolyzable sites all of which are hydrolyzable alkoxy groups, the hydrolyzing of the epoxy silane being carried out with less than 1.5 equivalents of water, said water being continuously fed during the hydrolysis reaction.
    Type: Application
    Filed: April 16, 2010
    Publication date: August 26, 2010
    Applicant: Momentive Performance Materials Inc.
    Inventors: Alain Lejeune, Yves Gentil
  • Low VOC epoxy silane oligomer and compositions containing same
    Patent number: 7732552
    Abstract: A process for producing a low VOC epoxy silane oligomer which includes the reaction of an epoxy silane with water in a water to silane molar ratio of from 0.1 to 1.5, in which the epoxy silane is the reaction product of an epoxy alkoxy-substituted silane and a diol or a dicarboxylic acid.
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: June 8, 2010
    Assignee: Momentive Performance Materials Inc.
    Inventors: Alain Lejeune, Yves Gentil
  • Epoxy silane oligomer and coating composition containing same
    Patent number: 7595372
    Abstract: A process for producing an epoxy silane oligomer including a reaction glycidoxy silane and/or cycloaliphatic epoxy silane having 2 or 3 alkoxy groups and, optionally, a copolymerizable silane other than glycidoxy and cycloaliphatic epoxy silane, with less than 1.5 equivalents of water in the presence of a catalyst, wherein said water is continuously fed during the reaction.
    Type: Grant
    Filed: December 8, 2005
    Date of Patent: September 29, 2009
    Assignee: Momentive Performance Materials Inc.
    Inventors: Alain Lejeune, Yves Gentil
  • Fluorine-free disiloxane surfactant compositions for use in coatings and printing ink compositions
    Patent number: 7399350
    Abstract: The present invention relates to coating and printing ink compositions possessing silicone surfactants compositions comprising fluorine-free organomodified disiloxanes which are resistant to hydrolysis between a pH of about 3 to a pH of about 12. The coatings and printing ink composition of the present invention exhibit enhanced wetting, flow and leveling properties.
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: July 15, 2008
    Assignee: Momentive Performance Materials Inc.
    Inventors: Suresh K. Rajaraman, Alain Lejeune, Alexander Borovik, George A. Policello, Mark D. Leatherman
  • Fluorine-free trisiloxane surfactant compositions for use in coatings and printing ink compositions
    Publication number: 20080090963
    Abstract: The present invention relates to coating and printing ink compositions possessing silicone surfactants compositions comprising fluorine-free organomodified trisiloxanes which are resistant to hydrolysis between a pH of about 3 to a pH of about 12. The coatings and printing ink composition of the present invention exhibit enhanced wetting, flow and leveling properties.
    Type: Application
    Filed: October 17, 2006
    Publication date: April 17, 2008
    Applicant: General Electric Company
    Inventors: Suresh K. Rajaraman, Alain Lejeune, Alexander Borovik, George A. Policello, Mark D. Leatherman, Wenqing Peng, Zijun Xia
  • Fluorine-free disiloxane surfactant compositions for use in coatings and printing ink compositions
    Publication number: 20080090964
    Abstract: The present invention relates to coating and printing ink compositions possessing silicone surfactants compositions comprising fluorine-free organomodified disiloxanes which are resistant to hydrolysis between a pH of about 3 to a pH of about 12. The coatings and printing ink composition of the present invention exhibit enhanced wetting, flow and leveling properties.
    Type: Application
    Filed: October 17, 2006
    Publication date: April 17, 2008
    Applicant: General Electric Company
    Inventors: Suresh K. Rajaraman, Alain Lejeune, Alexander Borovik, George A. Policello, Mark D. Leatherman
  • Low VOC epoxy silane oligomer and compositions containing same
    Publication number: 20070179268
    Abstract: A process for producing a low VOC epoxy silane oligomer which includes hydrolyzing an epoxy silane, the epoxy silane upon hydrolysis of its hydrolyzable sites producing a reduced amount of volatile organic compound compared to that produced by the hydrolysis of a silane possessing an equivalent number of hydrolyzable sites all of which are hydrolyzable alkoxy groups, the hydrolyzing of the epoxy silane being carried out with less than 1.5 equivalents of water, said water being continuously fed during the hydrolysis reaction.
    Type: Application
    Filed: January 27, 2006
    Publication date: August 2, 2007
    Inventors: Alain Lejeune, Yves Gentil
  • Epoxy silane oligomer and coating composition containing same
    Publication number: 20060225612
    Abstract: A process for producing an epoxy silane oligomer including a reaction glycidoxy silane and/or cycloaliphatic epoxy silane having 2 or 3 alkoxy groups and, optionally, a copolymerizable silane other than glycidoxy and cycloaliphatic epoxy silane, with less than 1.5 equivalents of water in the presence of a catalyst, wherein said water is continuously fed during the reaction.
    Type: Application
    Filed: December 8, 2005
    Publication date: October 12, 2006
    Inventors: Alain Lejeune, Yves Gentil
  • Epoxy silane oligomer and coating composition containing same
    Publication number: 20060225613
    Abstract: A process for producing an epoxy silane oligomer including a reaction glycidoxy silane and/or cycloaliphatic epoxy silane having 2 or 3 alkoxy groups and, optionally, a copolymerizable silane other than glycidoxy and cycloaliphatic epoxy silane, with less than 1.5 equivalents of water in the presence of a catalyst, wherein said water is continuously fed during the reaction.
    Type: Application
    Filed: April 7, 2005
    Publication date: October 12, 2006
    Inventors: Alain Lejeune, Yves Gentil