Patents by Inventor Richard G. Hansen

Richard G. Hansen 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).

  • Publication number: 20130012667
    Abstract: Siloxane-containing reactive compounds contain moisture-curable alkoxy-silane functional end groups and also contain fluorocarbon-containing segments. The siloxane-containing and fluorocarbon-containing reactive compounds may be prepared from siloxane-containing and fluorocarbon-containing oxamide compounds or amine compounds. Siloxane-containing and fluorocarbon-containing polymers may be prepared from the reactive compounds by reaction with water. The siloxane-containing and fluorocarbon-containing polymers may be release materials or adhesives.
    Type: Application
    Filed: December 20, 2010
    Publication date: January 10, 2013
    Inventors: Richard G. Hansen, David S. Hays, Suresh Iyer, John W. Frank, Ramesh C. Kumar
  • Publication number: 20120295025
    Abstract: Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydioroganosiloxane polyoxamide block copolymers are of the (AB)n type.
    Type: Application
    Filed: August 2, 2012
    Publication date: November 22, 2012
    Inventors: Audrey A. Sherman, Richard G. Hansen, Wendi J. Winkler, Charles M. Leir, Mieczyslaw H. Mazurek, Karl E. Benson, Mark D. Purgett, Albert I. Everaerts
  • Publication number: 20120289736
    Abstract: Compounds containing at least one perfluoropolyether segment and at least two oxalylamino groups as well as methods of making these compounds are described. The compounds can be polymeric materials or can be used in the preparation of various copolymeric materials by reaction with compounds having at least two primary or secondary amino groups.
    Type: Application
    Filed: December 22, 2010
    Publication date: November 15, 2012
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yu Yang, Miguel A. Guerra, Richard G. Hansen, David S. Hays, Suresh S. Iyer, Ramesh C. Kumar, George G.I. Moore
  • Publication number: 20120271025
    Abstract: A method of preparing polydiorganosiloxane polyoxamide copolymers is described. These copolymers have at least one polydiorganosiloxane segment and at least two aminooxalylamino groups. The method can be used in the presence or absence of a solvent. Intermediates involved in the preparation of the copolymers are also described.
    Type: Application
    Filed: December 22, 2010
    Publication date: October 25, 2012
    Applicant: 3M Innovative Properties Company
    Inventors: David S. Hays, Richard G. Hansen
  • Publication number: 20120264890
    Abstract: Copolymers containing at least one perfluoropolyether segment and at least one polydiorganosiloxane segments are described. The copolymers further contain multiple aminooxalylamino groups that link the various segments together. Methods of making the copolymers are also described.
    Type: Application
    Filed: December 22, 2010
    Publication date: October 18, 2012
    Inventors: Richard G. Hansen, Miguel A. Guerra, David S. Hays, Suresh S. Iyer, Ramesh C. Kumar, George G.I. Moore, Yu Yang
  • Publication number: 20120259088
    Abstract: Copolymers containing at least one perfluoropolyether segment and multiple aminooxalylamino groups are described. Methods of making the copolymers are also described. The copolymers can be prepared by reacting an oxalylamino-containing compound and an amine compound having at least two primary amino groups, at least two secondary amino groups, or at least one primary amino group plus at least one secondary amino group.
    Type: Application
    Filed: December 22, 2010
    Publication date: October 11, 2012
    Inventors: Suresh S. Iyer, Miguel A. Guerra, Richard G. Hansen, David S. Hays, Ramesh C. Kumar, George G.I. Moore, Yu Yang
  • Patent number: 8236429
    Abstract: Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydioroganosiloxane polyoxamide block copolymers are of the (AB)n type.
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: August 7, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Audrey A. Sherman, Richard G. Hansen, Wendi J. Winkler, Charles M. Leir, Mieczyslaw H. Mazurek, Karl E. Benson, Mark D. Purgett, Albert I. Everaerts
  • Publication number: 20120175566
    Abstract: Branched polydiorganosiloxane polyamide, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting one or more amine compounds including at least one polyamine with a precursor having at least one polydiorganosiloxane segment and at least two ester groups.
    Type: Application
    Filed: March 20, 2012
    Publication date: July 12, 2012
    Inventors: Audrey A. Sherman, David B. Olson, Stephen A. Johnson, Craig E. Hamer, David S. Hays, Richard G. Hansen
  • Patent number: 8158739
    Abstract: Branched polydiorganosiloxane polyamide, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting one or more amine compounds including at least one polyamine with a precursor having at least one polydiorganosiloxane segment and at least two ester groups.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: April 17, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Audrey A. Sherman, David B. Olson, Stephen A. Johnson, Craig E. Hamer, David S. Hays, Richard G. Hansen
  • Patent number: 8124713
    Abstract: A copolymer comprises at least two repeating units of formula I In this formula each R1 is independently an alkyl, haloalkyl, aralkyl, alkenyl, aryl, or aryl substituted with an alkyl, alkoxy, or halo; each Y is independently an alkylene, aralkylene, or a combination thereof; each G is independently a bond or a divalent residue equal to a diamine of formula R3HN-G-NHR3 minus the two —NHR3 groups; each R3 is independently hydrogen or alkyl or R3 taken together with G and to the nitrogen to which they are both attached form a heterocyclic group; each n is independently an integer of 0 to 1500; each p is independently an integer of 1 to 10; and each q is independently an integer of 1 or greater, and wherein at least 50% of the q's are the integer 2.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: February 28, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: David S. Hays, Richard G. Hansen, Stephen A. Johnson, Benjamin J. Bending
  • Publication number: 20120027976
    Abstract: Polydiorganosiloxane polyamide, block copolymers having organic soft segments and methods of making the copolymers are provided.
    Type: Application
    Filed: October 5, 2011
    Publication date: February 2, 2012
    Inventors: Audrey A. Sherman, Stephen A. Johnson, Richard G. Hansen
  • Patent number: 8067094
    Abstract: A composite film includes a first film and a second film contiguous to the first film. The first film includes a light transmissive material. In one embodiment, the second film includes a polydiorganosiloxane polyamide block copolymer. In another embodiment, the second film includes a polydiorganosiloxane polyoxamide block copolymer.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: November 29, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Karl E. Benson, Richard G. Hansen, Stephen A. Johnson, Charles M. Leir, Richard Y. Liu, Mark D. Purgett, Hildegard M. Schneider, Audrey A. Sherman
  • Patent number: 8063166
    Abstract: Polydiorganosiloxane polyamide, block copolymers having organic soft segments and methods of making the copolymers are provided.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: November 22, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Audrey A. Sherman, Stephen A. Johnson, Richard G. Hansen
  • Publication number: 20110263798
    Abstract: Branched polydiorganosiloxane polyamide, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting one or more amine compounds including at least one polyamine with a precursor having at least one polydiorganosiloxane segment and at least two ester groups.
    Type: Application
    Filed: June 29, 2011
    Publication date: October 27, 2011
    Inventors: Audrey A. Sherman, David B. Olson, Stephen A. Johnson, Craig E. Hamer, David S. Hays, Richard G. Hansen
  • Patent number: 8013098
    Abstract: Branched polydiorganosiloxane polyamide, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting one or more amine compounds including at least one polyamine with a precursor having at least one polydiorganosiloxane segment and at least two ester groups.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: September 6, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Audrey A. Sherman, David B. Olson, Stephen A. Johnson, Craig E. Hamer, David S. Hays, Richard G. Hansen
  • Publication number: 20110189421
    Abstract: Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydioroganosiloxane polyoxamide block copolymers are of the (AB)n type.
    Type: Application
    Filed: April 14, 2011
    Publication date: August 4, 2011
    Inventors: Audrey A. Sherman, Richard G. Hansen, Wendi J. Winkler, Charles M. Leir, Mieczyslaw H. Mazurek, Karl E. Benson, Mark D. Purgett, Abert I. Everaerts
  • Patent number: 7981995
    Abstract: Silicone polyoxamide and silicone polyoxamide-hydrazide copolymers comprise at least two repeating units of formula I In this formula, each R1 is independently an alkyl, haloalkyl, aralkyl, alkenyl, aryl, or aryl substituted with an alkyl, alkoxy, or halo; each Y is independently an alkylene, aralkylene, or a combination thereof; each G is independently a bond or a divalent residue equal to a diamine of formula R3HN-G-NHR3 minus the two —NHR3 groups; each R3 is independently hydrogen or alkyl or R3 taken together with G and with the nitrogen to which they are both attached form a heterocyclic group; each n is independently an integer of 0 to 1500; each p is independently an integer of 1 to 10, and the average of p is 1.2 or greater; and each q is independently an integer of 1 or greater, and every q is not the same integer.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: July 19, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: David S. Hays, Richard G. Hansen, Stephen A. Johnson, Benjamin J. Bending, Kyle J. Lindstrom
  • Publication number: 20110130518
    Abstract: Epoxy reactive liquid modifiers include acrylate functionalized compounds, acrylamide functionalized compounds, oxalic amide functionalized compounds, actoacetoxy functionalized urethanes and acetoacetoxy functionalized polyalkenes. The reactive liquid modifiers are incorporated into epoxy resin compositions comprising a curable epoxy resin, an amine curing agent, and the reactive liquid modifier, wherein the reactive liquid modifier is polymerized to form at least one of an interpenetrating polymer network and a semi-interpenetrating polymer network with the curable epoxy resin.
    Type: Application
    Filed: July 22, 2009
    Publication date: June 2, 2011
    Inventors: Ilya Gorodisher, Alphonsus V. Pocius, Babu N. Gaddam, Richard G. Hansen
  • Publication number: 20110123798
    Abstract: Branched polydiorganosiloxane polyamide, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting one or more amine compounds including at least one polyamine with a precursor having at least one polydiorganosiloxane segment and at least two ester groups.
    Type: Application
    Filed: February 4, 2011
    Publication date: May 26, 2011
    Inventors: Audrey A. Sherman, David B. Olson, Stephen A. Johnson, Craig E. Hamer, David S. Hays, Richard G. Hansen
  • Patent number: 7947376
    Abstract: Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: May 24, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Audrey A. Sherman, Richard G. Hansen, Wendi J. Winkler, Charles M. Leir, Mieczyslaw H. Mazurek, Karl E. Benson, Mark D. Purgett, Albert I. Everaerts