Patents by Inventor Keith J. Weller

Keith J. Weller 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).

  • Antifog coating composition and method of making thereof
    Patent number: 10377933
    Abstract: The present technology relates to an antifog coating composition comprising a matrix, a hydrophilic compound, and a surfactant. The antifog coating composition may further comprise a thermal or a photo-initiator. The antifog coating composition may be applied to a polycarbonate substrate.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: August 13, 2019
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Raghuraman Govindan Karunakaran, Indumathi Ramakrishnan, Andreas Haeuseler, Keith J. Weller
  • Selective 1,2-hydrosilylation of terminally unsaturated 1,3-dienes using iron catalysts
    Patent number: 9890182
    Abstract: The present invention is directed to a selective and efficient process for the hydrosilylation of compounds containing terminally unsaturated 1,3-dienes using iron-based hydrosilylation catalysts. The resulting 1,2-addition products are useful as precursors for various silicone materials or silane- or silyl/silicone-functionalized polyolefins.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: February 13, 2018
    Assignees: MOMENTIVE PERFORMANCE MATERIALS INC., PRINCETON UNIVERSITY
    Inventors: Crisita Carmen Hojilla Atienza, Aroop Kumar Roy, Paul J. Chirik, Keith J. Weller, Johannes G. P. Delis, Tianning Diao
  • ANTIFOG COATING COMPOSITION AND METHOD OF MAKING THEREOF
    Publication number: 20170204313
    Abstract: The present technology relates to an antifog coating composition comprising a matrix, a hydrophilic compound, and a surfactant. The antifog coating composition may further comprise a thermal or a photo-initiator. The antifog coating composition may be applied to a polycarbonate substrate.
    Type: Application
    Filed: January 14, 2016
    Publication date: July 20, 2017
    Inventors: Raghuraman Govindan Karunakaran, Indumathi Ramakrishnan, Andreas Haeuseler, Keith J. Weller
  • Reusable homogeneous cobalt pyridine diimine catalysts for dehydrogenative silylation and tandem dehydrogenative-silylation-hydrogenation
    Patent number: 9447125
    Abstract: Disclosed herein are cobalt complexes containing terdentate pyridine di-imine ligands and their use as efficient, reusable, and selective dehydrogenative silylation, crosslinking, and tandem dehydrogenative silylation-hydrogenation catalysts.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: September 20, 2016
    Assignee: Momentive Performance Materials Inc.
    Inventors: Aroop Kumar Roy, Crisita Carmen Hojilla Atienza, Paul J. Chirik, Kenrick M. Lewis, Keith J. Weller, Susan Nye, Johannes G. P. Delis, Julie L. Boyer, Tianning Diao, Eric Pohl
  • Cobalt catalysts and their use for hydrosilylation and dehydrogenative silylation
    Patent number: 9387468
    Abstract: Disclosed herein are cobalt complexes containing pyridine di-imine ligands and chelating alkenyl-modified silyl ligands, and their use as hydrosilylation and/or dehydrogenative silylation and crosslinking catalysts. The cobalt complexes also exhibit adequate air stability for handling and manipulation.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: July 12, 2016
    Assignees: Momentive Performance Materials Inc., Princeton University
    Inventors: Tianning Diao, Paul J. Chirik, Aroop Kumar Roy, Kenrick Lewis, Susan Nye, Keith J. Weller, Johannes G. P. Delis, Renyuan Yu
  • Cobalt catalysts and their use for hydrosilylation and dehydrogenative silylation
    Patent number: 9381506
    Abstract: Disclosed herein are cobalt terpyridine complexes containing a single ligand coordinated to the cobalt, and their use as hydrosilylation and/or dehydrogenative silylation and crosslinking catalysts. The cobalt complexes also exhibit adequate air stability for handling and manipulation.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: July 5, 2016
    Assignees: Momentive Performance Materials Inc., Princeton University
    Inventors: Tianning Diao, Paul J. Chirik, Aroop Kumar Roy, Kenrick Lewis, Keith J. Weller, Johannes G. P. Delis, Renyuan Yu
  • Cobalt catalysts and their use for hydrosilylation and dehydrogenative silylation
    Patent number: 9381505
    Abstract: Disclosed herein are cobalt complexes containing terpyridine ligands and chelating alkene-modified silyl ligands, and their use as hydrosilylation and/or dehydrogenative silylation and crosslinking catalysts. The cobalt complexes also exhibit adequate air stability for handling and manipulation.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: July 5, 2016
    Assignees: Momentive Performance Materials Inc., Princeton University
    Inventors: Tianning Diao, Paul J. Chirik, Aroop Kumar Roy, Kenrick Lewis, Susan Nye, Johannes G. P. Delis, Keith J. Weller
  • Dehydrogenative silylation, hydrosilylation and crosslinking using cobalt catalysts
    Patent number: 9371340
    Abstract: Disclosed herein are cobalt complexes containing terdentate pyridine di-imine ligands and their use as efficient and selective dehydrogenative silylation, hydrosilylation, and crosslinking catalysts.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: June 21, 2016
    Assignees: Momentive Performance Materials Inc., Princeton University
    Inventors: Tianning Diao, Paul J. Chirik, Aroop Kumar Roy, Kenrick Lewis, Susan Nye, Keith J. Weller, Johannes G. P. Delis, Renyuan Yu
  • STABLE PRIMER FORMULATIONS AND COATINGS WITH NANO DISPERSION OF MODIFIED METAL OXIDES
    Publication number: 20150159036
    Abstract: The present invention is directed to a primer composition, comprising: (a) metal oxide nanoparticles surface-modified with an organofunctional silane moiety having a specific functionality, (b) an organic polymer; and (c) one or more solvents; wherein the composition comprises less than 4 wt % of water, based on the total weight of said primer composition. The composition produces films having excellent optical and adhesion characteristics, and excellent weatherability and thermal stability.
    Type: Application
    Filed: December 11, 2013
    Publication date: June 11, 2015
    Applicant: Momentive Performance Materials Inc.
    Inventors: Karthikeyan Murugesan, Indumathi Ramakrishnan, Robert F. Hayes, Keith J. Weller
  • COBALT CATALYSTS AND THEIR USE FOR HYDROSILYLATION AND DEHYDROGENATIVE SILYLATION
    Publication number: 20150141648
    Abstract: Disclosed herein are cobalt terpyridine complexes containing a single ligand coordinated to the cobalt, and their use as hydrosilylation and/or dehydrogenative silylation and crosslinking catalysts. The cobalt complexes also exhibit adequate air stability for handling and manipulation.
    Type: Application
    Filed: November 19, 2014
    Publication date: May 21, 2015
    Inventors: Tianning Diao, Paul J. Chirik, Aroop Kumar Roy, Kenrick Lewis, Keith J. Weller, Johannes G. P. Delis, Renyuan Yu
  • COBALT CATALYSTS AND THEIR USE FOR HYDROSILYLATION AND DEHYDROGENATIVE SILYLATION
    Publication number: 20150137033
    Abstract: Disclosed herein are cobalt complexes containing pyridine di-imine ligands and chelating alkenyl-modified silyl ligands, and their use as hydrosilylation and/or dehydrogenative silylation and crosslinking catalysts. The cobalt complexes also exhibit adequate air stability for handling and manipulation.
    Type: Application
    Filed: November 19, 2014
    Publication date: May 21, 2015
    Inventors: Tianning Diao, Paul J. Chirik, Aroop Kumar Roy, Kenrick Lewis, Susan Nye, Keith J. Weller, Johannes G.P. Delis, Renyuan Yu
  • COBALT CATALYSTS AND THEIR USE FOR HYDROSILYLATION AND DEHYDROGENATIVE SILYLATION
    Publication number: 20150141647
    Abstract: Disclosed herein are cobalt complexes containing terpyridine ligands and chelating alkene-modified silyl ligands, and their use as hydrosilylation and/or dehydrogenative silylation and crosslinking catalysts. The cobalt complexes also exhibit adequate air stability for handling and manipulation.
    Type: Application
    Filed: November 19, 2014
    Publication date: May 21, 2015
    Inventors: Tianning Diao, Paul J. Chirik, Aroop Kumar Roy, Kenrick Lewis, Susan Nye, Johannes G.P. Delis, Keith J. Weller
  • DEHYDROGENATIVE SILYLATION, HYDROSILYLATION AND CROSSLINKING USING COBALT CATALYSTS
    Publication number: 20150080536
    Abstract: Disclosed herein are cobalt complexes containing terdentate pyridine di-imine ligands and their use as efficient and selective dehydrogenative silylation, hydrosilylation, and crosslinking catalysts.
    Type: Application
    Filed: November 19, 2014
    Publication date: March 19, 2015
    Inventors: Tianning Diao, Paul J. Chirik, Aroop Kumar Roy, Kenrick Lewis, Susan Nye, Keith J. Weller, Johannes G. P. Delis, Renyuan Yu
  • Dehydrogenative silylation and crosslinking using cobalt catalysts
    Patent number: 8927674
    Abstract: Disclosed herein are cobalt complexes containing terdentate pyridine di-imine ligands and their use as efficient and selective dehydrogenative silylation and crosslinking catalysts.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: January 6, 2015
    Assignees: Princeton University, Momentive Performance Materials Inc.
    Inventors: Cristia Carmen Hojilla Atienza, Paul J. Chirik, Susan Nye, Kenrick M. Lewis, Keith J. Weller, Julie L. Boyer, Johannes G. P. Delis, Aroop Roy, Eric Pohl
  • Selective non-precious metal-catalyzed mono-hydrosilylation polyunsaturated compounds
    Patent number: 8895770
    Abstract: Disclosed herein is the selective synthesis of mono-hydrosilylated derivatives of polyunsaturated compounds, such as trivinylcyclohexane using non-precious metal based pyridinediimine and terpyridine complex as selective hydrosilylation catalysts.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: November 25, 2014
    Assignees: Cornell University, Momentive Performance Materials Inc.
    Inventors: Kenrick M. Lewis, Aaron M. Tondreau, Richard W. Cruse, Keith J. Weller, Johannes G. P. Delis, Susan A. Nye, Paul J. Chirik
  • SELECTIVE 1,2-HYDROSILYLATION OF TERMINALLY UNSATURATED 1,3-DIENES USING IRON CATALYSTS
    Publication number: 20140330024
    Abstract: The present invention is directed to a selective and efficient process for the hydrosilylation of compounds containing terminally unsaturated 1,3-dienes using iron-based hydrosilylation catalysts. The resulting 1,2-addition products are useful as precursors for various silicone materials or silane- or silyl/silicone-functionalized polyolefins.
    Type: Application
    Filed: May 6, 2014
    Publication date: November 6, 2014
    Inventors: Crisita Carmen Hojilla Atienza, Aroop Kumar Roy, Paul J. Chirik, Keith J. Weller, Johannes G.P. Delis, Tianning Diao
  • REUSABLE HOMOGENEOUS COBALT PYRIDINE DIIMINE CATALYSTS FOR DEHYDROGENATIVE SILYLATION AND TANDEM DEHYDROGENATIVE-SILYLATION-HYDROGENATION
    Publication number: 20140243486
    Abstract: Disclosed herein are cobalt complexes containing terdentate pyridine di-imine ligands and their use as efficient, reusable, and selective dehydrogenative silylation, crosslinking, and tandem dehydrogenative silylation-hydrogenation catalysts.
    Type: Application
    Filed: May 6, 2014
    Publication date: August 28, 2014
    Inventors: Aroop Kumar Roy, Crisita Carmen Hojilla Atienza, Paul J. Chirik, Kenrick M. Lewis, Keith J. Weller, Susan Nye, Johannes G.P. Delis, Julie L. Boyer, Tianning Diao, Eric Pohl
  • In-situ activation of metal complexes containing terdentate nitrogen ligands used as hydrosilylation catalysts
    Patent number: 8765987
    Abstract: Disclosed herein is a process for the hydrosilylation of a composition containing a silyl hydride and a compound containing at least one unsaturated group, the process comprising contacting a non-previous metal based complex as a catalyst precursor with an activator being a reducing agent shortly before, simultaneously or after contacting the complex with the composition, to cause the silyl hydride to react with the compound containing at least one unsaturated group to produce a hydrosilylation product.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: July 1, 2014
    Assignees: Cornell University, Momentive Performance Materials Inc.
    Inventors: Paul J. Chirik, Aaron M. Tondreau, Johannes G. P. Delis, Kenrick M. Lewis, Keith J. Weller, Susan A. Nye
  • Dehydrogenative Silylation and Crosslinking Using Cobalt Catalysts
    Publication number: 20140051822
    Abstract: Disclosed herein are cobalt complexes containing terdentate pyridine di-imine ligands and their use as efficient and selective dehydrogenative silylation and crosslinking catalysts.
    Type: Application
    Filed: August 14, 2013
    Publication date: February 20, 2014
    Applicants: Princeton University, Momentive Performance Materials Inc.
    Inventors: Crisita Carmen Hojilla Atienza, Paul J. Chirik, Susan Nye, Kenrick M. Lewis, Keith J. Weller, Julie L. Boyer, Johannes G.P. Delis, Aroop Roy, Eric Pohl
  • Non-precious metal-containing 2,8-bis(imino)quinoline complexes and their use as hydrosilylation catalysts
    Patent number: 8637626
    Abstract: Disclosed herein are manganese, iron, cobalt, or nickel complexes containing 2,8-bis(imino)quinoline ligands and their use as catalysts or catalysts precursors for hydrosilylation reactions.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: January 28, 2014
    Assignee: Momentive Performance Materials Inc.
    Inventors: Aaron M. Tondreau, Paul J. Chirik, Johannes G. P. Delis, Keith J. Weller, Kenrick M. Lewis, Susan A. Nye