Patents by Inventor Charles M. Leir

Charles M. Leir 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).

  • Patent number: 7947716
    Abstract: Compounds having two reactive functional groups are described that can be used to provide a connector group between a substrate and an amine-containing material. The first reactive functional group can be used to provide attachment to a surface of a substrate. The second reactive functional group is a N-sulfonylaminocarbonyl group that can be reacted with an amine-containing material, particularly a primary aliphatic amine, to form a carbonylimino-containing connector group. The invention also provides articles and methods for immobilizing amine-containing materials to a substrate.
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: May 24, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Karl E. Benson, Moses M. David, Cary A. Kipke, Brinda B. Lakshmi, Charles M. Leir, George G. Moore, Rahul Shah
  • Patent number: 7943388
    Abstract: Acoustic sensors, preferably surface acoustic wave sensors, and more preferably shear horizontal surface acoustic wave sensors that include soluble mixed with oligomers and/or polymers formed from such monomers), or multifunctional compounds, for example, that can function as either waveguide materials, immobilization materials for secondary capture agents (e.g., antibodies), or both.
    Type: Grant
    Filed: December 17, 2004
    Date of Patent: May 17, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: John P. Baetzold, Karl E. Benson, G. Marco Bommarito, Michael P. Daniels, Albert I. Everaerts, Peggy-Jean P. Flanigan, M. Benton Free, Cary A. Kipke, Brinda B. Lakshmi, Charles M. Leir, George G. I. Moore, Lang N. Nguyen, Rahul R. Shah, Peter A. Stark
  • Patent number: 7943783
    Abstract: Multifunctional compounds having acylsulfonamide amine-reactive groups are described that can be used for the capture of amine containing materials.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: May 17, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Karl E. Benson, Cary A. Kipke, Brinda B. Lakshmi, Charles M. Leir, George G. I. Moore, Rahul Shah
  • Publication number: 20110092638
    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 precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.
    Type: Application
    Filed: December 28, 2010
    Publication date: April 21, 2011
    Inventors: Charles M. Leir, Karl E. Benson, Richard G. Hansen, Mark D. Purgett, Albert I. Everaerts, Audrey A. Sherman
  • Patent number: 7883652
    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 precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: February 8, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Charles M. Leir, Karl E. Benson, Richard G. Hansen, Mark D. Purgett, Albert I. Everaerts, Audrey A. Sherman
  • Patent number: 7820297
    Abstract: A multilayer film includes a first layer of a first polymeric material and a second layer of a second polymeric material. The first material has a first index of refraction and the second material has a second index of refraction less than the first index of refraction. In one embodiment, the second material includes a polydiorganosiloxane polyamide block copolymer. In another embodiment, the second material includes a polydiorganosiloxane polyoxamide block copolymer.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: October 26, 2010
    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
  • Publication number: 20100221511
    Abstract: A multilayer film includes a first layer of a first polymeric material and a second layer of a second polymeric material. The first material has a first index of refraction and the second material has a second index of refraction less than the first index of refraction. In one embodiment, the second material includes a polydiorganosiloxane polyamide block copolymer. In another embodiment, the second material includes a polydiorganosiloxane polyoxamide block copolymer.
    Type: Application
    Filed: May 13, 2010
    Publication date: September 2, 2010
    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
  • Publication number: 20100173377
    Abstract: Compounds having two reactive functional groups are described that can be used to provide a connector group between a substrate and an amine-containing material. The first reactive functional group can be used to provide attachment to a surface of a substrate. The second reactive functional group is a N-sulfonylaminocarbonyl group that can be reacted with an amine-containing material, particularly a primary aliphatic amine, to form a carbonylimino-containing connector group. The invention also provides articles and methods for immobilizing amine-containing materials to a substrate.
    Type: Application
    Filed: January 21, 2010
    Publication date: July 8, 2010
    Inventors: Karl E. Benson, Moses M. David, Cary A. Kipke, Brinda B. Lakshmi, Charles M. Leir, George G. Moore, Rahul Shah
  • Patent number: 7675058
    Abstract: Compounds having two reactive functional groups are described that can be used to provide a connector group between a substrate and an amine-containing material. The first reactive functional group can be used to provide attachment to a surface of a substrate. The second reactive functional group is a N-sulfonylaminocarbonyl group that can be reacted with an amine-containing material, particularly a primary aliphatic amine, to form a carbonylimino-containing connector group. The invention also provides articles and methods for immobilizing amine-containing materials to a substrate.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: March 9, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Karl E. Benson, Moses M. David, Cary A. Kipke, Brinda B. Lakshmi, Charles M. Leir, George G. Moore, Rahul Shah
  • Patent number: 7671155
    Abstract: Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonyldicarboximide groups that can react with amine-containing materials by a ring opening reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described.
    Type: Grant
    Filed: May 1, 2009
    Date of Patent: March 2, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Rahul R. Shah, Karl E. Benson, Charles M. Leir, George G. I. Moore
  • Patent number: 7671154
    Abstract: Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonyldicarboximide groups that can react with amine-containing materials by a ring opening reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: March 2, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: George G. I. Moore, Rahul R. Shah, Karl E. Benson, Charles M. Leir
  • Patent number: 7667046
    Abstract: Compounds having two reactive functional groups are described that can be used as a tethering compound to immobilize an amine-containing material to a substrate. The first reactive functional group can be used to provide attachment to a surface of a substrate. The second reactive functional group is a N-sulfonyldicarboximide group that can be reacted with an amine-containing material, particularly a primary aliphatic amine, to form a connector group between the substrate and the amine-containing material. The invention also provides articles and methods for immobilizing amine-containing materials to a substrate.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: February 23, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Karl E. Benson, Moses M. David, Cary A. Kipke, Brinda B. Lakshmi, Charles M. Leir, George G. Moore, Rahul Shah
  • Patent number: 7652163
    Abstract: Cyclic silazanes containing an oxamido ester group and methods of making these compounds are described. The compounds can be used, for example, to make oxamido ester-terminated siloxanes, which can be precursors for the preparation of various polymeric materials such as, for example, polydiorganosiloxane polyoxamides.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: January 26, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Charles M. Leir, Karl E. Benson, Richard G. Hansen
  • Patent number: 7632903
    Abstract: Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonylaminocarbonyl groups that can react with amine-containing materials by a nucleophilic displacement reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: December 15, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Charles M. Leir, George G. I. Moore, Rahul R. Shah, Karl E. Benson
  • Publication number: 20090215996
    Abstract: Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonyldicarboximide groups that can react with amine-containing materials by a ring opening reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described.
    Type: Application
    Filed: April 30, 2009
    Publication date: August 27, 2009
    Inventors: George G.I. Moore, Rahul R. Shah, Karl E. Benson, Charles M. Leir
  • Publication number: 20090214794
    Abstract: Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonyldicarboximide groups that can react with amine-containing materials by a ring opening reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described.
    Type: Application
    Filed: May 1, 2009
    Publication date: August 27, 2009
    Inventors: Rahul R. Shah, Karl E. Benson, Charles M. Leir, George G.I. Moore
  • Publication number: 20090209676
    Abstract: Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonylaminocarbonyl groups that can react with amine-containing materials by a nucleophilic displacement reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described.
    Type: Application
    Filed: April 30, 2009
    Publication date: August 20, 2009
    Inventors: Charles M. Leir, George G.I Moore, Rahul R. Shah, Karl E. Benson
  • Patent number: 7544754
    Abstract: Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonylaminocarbonyl groups that can react with amine-containing materials by a nucleophilic displacement reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: June 9, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Charles M. Leir, George G. I. Moore, Rahul R. Shah, Karl E. Benson
  • Patent number: 7544755
    Abstract: Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonyldicarboximide groups that can react with amine-containing materials by a ring opening reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: June 9, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: George G. I. Moore, Rahul R. Shah, Karl E. Benson, Charles M. Leir
  • Patent number: 7544756
    Abstract: Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonyldicarboximide groups that can react with amine-containing materials by a ring opening reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: June 9, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Rahul R. Shah, Karl E. Benson, Charles M. Leir, George G. I. Moore