Patents Represented by Attorney Jean A. Lown
-
Patent number: 7695818Abstract: Pressure sensitive adhesives and methods, wherein the adhesives include a silicone tackifying resin and a polydiorganosiloxane polyurea copolymer. The tack of these adhesives is improved by the use of a processing aid, such as a plasticizer.Type: GrantFiled: August 10, 2005Date of Patent: April 13, 2010Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Kurt C. Melancon, Anthony M. Kremer
-
Patent number: 7683100Abstract: Methods of making macroporous cation exchange resins are described. The macroporous cation exchange resins are in the form of particles such as beads that contain a hydrophilic, crosslinked, (meth)acrylic-type polymeric material. Additionally, methods of purifying a positively charged material using the macroporous cation exchange resins, methods of making chromatographic columns that contain the macroporous cation exchange resins, methods of making filter elements that contain the macroporous cation exchange resins, and methods of making porous composite materials that contain the macroporous cation exchange resins are described.Type: GrantFiled: December 21, 2005Date of Patent: March 23, 2010Assignee: 3M Innovative Properties CompanyInventors: Jerald K. Rasmussen, Robert T. Fitzsimons, Jr., Kannan Seshadri, Simon K. Shannon, Peter D. Wickert, James I. Hembre
-
Patent number: 7674523Abstract: Zirconia particles, methods of making zirconia particles, composite materials that contain the zirconia particles, methods of making the composite materials, and zirconia sols that contain the zirconia particles are described. The zirconia particles are substantially non-associated and have an average size no greater than 50 nanometers and may contain yttrium. The zirconia particles are prepared by a method that includes two separate hydrothermal treatments.Type: GrantFiled: August 19, 2008Date of Patent: March 9, 2010Assignee: 3M Innovative Properties CompanyInventors: Robert S. Davidson, Brant U. Kolb, Danny B. Anderson, James A. Higgins, Mark J. Hendrickson, John T. Brady
-
Patent number: 7674836Abstract: Methods of making macroporous cation exchange resins are described. The macroporous cation exchange resins are in the form of particles such as beads that contain a hydrophilic, crosslinked, (meth)acrylic-type polymeric material. The macroporous cation exchange resins are prepared using an inverse suspension polymerization process in the presence of a water soluble, organic, aliphatic porogen having at least three hydroxy groups.Type: GrantFiled: July 28, 2006Date of Patent: March 9, 2010Assignee: 3M Innovative Properties CompanyInventors: Jerald K. Rasmussen, Robert T. Fitzsimons, Jr., Kannan Seshadri, Simon K. Shannon, Peter D. Wickert, James I. Hembre
-
Patent number: 7675058Abstract: 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: GrantFiled: October 27, 2006Date of Patent: March 9, 2010Assignee: 3M Innovative Properties CompanyInventors: Karl E. Benson, Moses M. David, Cary A. Kipke, Brinda B. Lakshmi, Charles M. Leir, George G. Moore, Rahul Shah
-
Patent number: 7674835Abstract: Methods of making macroporous anion exchange resins are described. The macroporous anion exchange resins are in the form of particles such as beads that contain a hydrophilic, crosslinked, (meth)acrylic-type polymeric material. Additionally, methods of purifying a negatively charged material using the macroporous anion exchange resins, methods of making chromatographic columns that contain the macroporous anion exchange resins, methods of making filter elements that contain the macroporous anion exchange resins, and methods of making porous composite materials that contain the macroporous anion exchange resins are described.Type: GrantFiled: December 21, 2005Date of Patent: March 9, 2010Assignee: 3M Innovative Properties CompanyInventors: Jerald K. Rasmussen, Robert T. Fitzsimons, Jr., Kannan Seshadri, Simon K. Shannon, Peter D. Wickert, James I. Hembre
-
Patent number: 7671155Abstract: 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: GrantFiled: May 1, 2009Date of Patent: March 2, 2010Assignee: 3M Innovative Properties CompanyInventors: Rahul R. Shah, Karl E. Benson, Charles M. Leir, George G. I. Moore
-
Patent number: 7671154Abstract: 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: GrantFiled: April 30, 2009Date of Patent: March 2, 2010Assignee: 3M Innovative Properties CompanyInventors: George G. I. Moore, Rahul R. Shah, Karl E. Benson, Charles M. Leir
-
Patent number: 7666968Abstract: Acene-thiophene copolymers with attached silylethynyl groups are provided that can be used in electronic devices. The copolymers are often soluble in common organic solvents and can be part of a coating composition.Type: GrantFiled: April 21, 2006Date of Patent: February 23, 2010Assignee: 3M Innovative Properties CompanyInventors: Peiwang Zhu, Dennis E. Vogel, Christopher P. Gerlach
-
Patent number: 7667046Abstract: 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: GrantFiled: November 19, 2007Date of Patent: February 23, 2010Assignee: 3M Innovative Properties CompanyInventors: Karl E. Benson, Moses M. David, Cary A. Kipke, Brinda B. Lakshmi, Charles M. Leir, George G. Moore, Rahul Shah
-
Patent number: 7667230Abstract: Electronic devices that include an acene-thiophene copolymer and methods of making such electronic devices are described. The acene-thiophene copolymer can be used, for example, in a semiconductor layer or in a layer positioned between a first electrode and a second electrode.Type: GrantFiled: March 31, 2006Date of Patent: February 23, 2010Assignee: 3M Innovative Properties CompanyInventors: Peiwang Zhu, Tzu-Chen Lee, Dennis E. Vogel, Christopher P. Gerlach
-
Patent number: 7645478Abstract: Methods of forming displays are described. The displays have zinc oxide row and column drivers integrated onto the same display substrate as zinc oxide pixel transistors and organic light emitting diodes. The organic light emitting diodes are prepared, at least in part, using a thermal transfer process from a donor sheet.Type: GrantFiled: March 31, 2005Date of Patent: January 12, 2010Assignee: 3M Innovative Properties CompanyInventors: Steven D. Thelss, Paul F. Baude, Michael A. Haase, Eric W. Hemmesch, Yaoqi J. Liu, Sergey S. Lamansky
-
Patent number: 7638581Abstract: A fluoropolymer coating composition contains a homogeneous mixture of crystalline submicron fluoropolymer particles dispersed in a solvent-borne solution of less crystalline or amorphous fluororesin. The composition may be prepared by blending a latex containing crystalline submicron fluoropolymer particles with a latex containing less crystalline or amorphous fluororesin particles, coagulating and drying the blended latices, and dissolving the dried blend in a solvent for the fluororesin particles. Quasi-homogenous compositions may be prepared by blending dry crystalline submicron fluoropolymer particles with a) dry less crystalline or amorphous fluororesin particles and a solvent for the fluororesin particles, or b) a solvent-borne solution of less crystalline or amorphous fluororesin. Rubbing the disclosed coatings can provide a thin, continuous or nearly continuous fluoropolymer surface layer atop a less crystalline or amorphous fluororesin binder containing crystalline submicron fluoropolymer particles.Type: GrantFiled: December 19, 2005Date of Patent: December 29, 2009Assignee: 3M Innovative Properties CompanyInventors: Naiyong Jing, Tatsuo Fukushi, Chuntao Cao, Lan H. Liu, Thomas P. Klun, William D. Coggio, Vivian W. Jones
-
Patent number: 7632903Abstract: 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: GrantFiled: April 30, 2009Date of Patent: December 15, 2009Assignee: 3M Innovative Properties CompanyInventors: Charles M. Leir, George G. I. Moore, Rahul R. Shah, Karl E. Benson
-
Patent number: 7608679Abstract: Acene-thiophene copolymers are provided that can be used as semiconductor materials in electronic devices. The acene-thiophene copolymers are of Formula I. In Formula I, Ac is a radical of an acene having 2 to 5 fused aromatic rings. The acene can be unsubstituted or substituted with a substituent selected from an alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, alkenyl, or combinations thereof. Divalent group Q is selected from Formula III where each R1 and R2 group is independently selected from hydrogen, alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, alkenyl, or combinations thereof. The subscript n in Formula I is an integer equal to at least 4. The asterisks in Formula I indicate the location of attachment to another group such as another repeat unit of formula —Ac-Q-.Type: GrantFiled: March 31, 2006Date of Patent: October 27, 2009Assignee: 3M Innovative Properties CompanyInventors: Peiwang Zhu, Tzu-Chen Lee, Dennis E. Vogel, Christopher P. Gerlach
-
Patent number: 7588701Abstract: Composite particles of a semiconductor particle such as a metal chalcogenide within a crosslinked, cored dendrimer are described. Additionally, methods of making the composite particles and compositions that contain the composite particles are described.Type: GrantFiled: July 11, 2008Date of Patent: September 15, 2009Assignee: 3M Innovative Properties CompanyInventors: Neal A. Rakow, Michael S. Wendland, Mary I. Buckett
-
Patent number: 7582684Abstract: Ion exchange resins are described that are hydrophilic, crosslinked (meth)acrylic copolymers. The ion exchange resins are macroporous, have a surface area of at least 50 m2/g, and an average particle size of at least 20 micrometers. Additionally, chromatographic columns containing the ion exchange resins, composite materials containing the ion exchange resin, filtration elements containing the ion exchange resin, methods of preparing the ion exchange resins, and methods of separating or purifying negatively or positively charged materials with the ion exchange resins are described.Type: GrantFiled: February 17, 2005Date of Patent: September 1, 2009Assignee: 3M Innovative Properties CompanyInventors: Jerald K. Rasmussen, James I. Hembre
-
Patent number: 7544756Abstract: 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: GrantFiled: September 30, 2005Date of Patent: June 9, 2009Assignee: 3M Innovative Properties CompanyInventors: Rahul R. Shah, Karl E. Benson, Charles M. Leir, George G. I. Moore
-
Patent number: 7544754Abstract: 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: GrantFiled: September 30, 2005Date of Patent: June 9, 2009Assignee: 3M Innovative Properties CompanyInventors: Charles M. Leir, George G. I. Moore, Rahul R. Shah, Karl E. Benson
-
Patent number: 7544755Abstract: 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: GrantFiled: September 30, 2005Date of Patent: June 9, 2009Assignee: 3M Innovative Properties CompanyInventors: George G. I. Moore, Rahul R. Shah, Karl E. Benson, Charles M. Leir