Patents Represented by Attorney, Agent or Law Firm Bradford B. Wright
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Patent number: 7744997Abstract: The present invention discloses an adhesive article. The adhesive article comprises a first layer comprising a transparent film, the first layer having a first major surface and a second major surface. Additionally, the adhesive article comprises a second layer comprising a fluid transport substrate, the second layer having a first major surface and a second major surface, the first major surface of the second layer being in contact with the second major surface of the first layer and a third layer comprising a fluid transportable ink, the third layer being associated with the second major surface of the second layer. The adhesive article then comprises an adhesive layer.Type: GrantFiled: July 27, 2006Date of Patent: June 29, 2010Assignee: 3M Innovative Properties CompanyInventors: Russell D. Birkholz, Paul R. LaBrosse, James S. Mrozinski, Ramon T. Ignacio
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Patent number: 7691932Abstract: A mixture of layered silicate, block copolymer having at least one block that is compatible with the first layered silicate, and a solvent is sheared while the solvent is removed.Type: GrantFiled: September 27, 2004Date of Patent: April 6, 2010Assignee: 3M Innovative Properties CompanyInventors: James M. Nelson, Ryan E. Marx, John W. Longabach, Kenneth J. Hanley, Mark E. Napierala, Myles L. Brostrom, Jeffrey J. Cernohous
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Patent number: 7635452Abstract: A system for measuring diffusion of a compound across a membrane generally comprises a membrane held between a first base having a plurality of outwardly extending hollow projections and a second base fastened to the first base and having a plurality of recessed tapered openings therein adapted to engage the plurality of hollow projections. Methods for measuring membrane diffusion using such systems are included. The system components are also provided in kit form.Type: GrantFiled: September 24, 2003Date of Patent: December 22, 2009Assignee: 3M Innovative Properties CompanyInventors: Stephen B. Roscoe, Neal A. Rakow, Michael L. Husberg, Lester H. McIntosh, III
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Patent number: 7628829Abstract: An abrasive article comprises a porous abrasive member, a nonwoven filter medium, and a porous attachment fabric. A plurality of openings in the porous abrasive member cooperates with the nonwoven filter medium to allow the flow of particles from an outer abrasive surface of the porous abrasive member to the porous attachment fabric. Methods of making and using the abrasive articles are included.Type: GrantFiled: March 20, 2007Date of Patent: December 8, 2009Assignee: 3M Innovative Properties CompanyInventors: Edward J. Woo, Thomas W. Rambosek, Seyed A. Angadjivand, Mary B. Donovan, Rufus C. Sanders, Jr., Yeun-Jong Chou
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Patent number: 7618306Abstract: Conformable abrasive article comprising: a backing having a first major surface; a deformable material contacting a central portion of the first major surface; an elastic member affixed to the first major surface of the backing and together with the backing enclosing the deformable material; and an abrasive member affixed to the elastic member, wherein the abrasive member comprises abrasive particles and a binder; and methods of making and using the same.Type: GrantFiled: September 22, 2005Date of Patent: November 17, 2009Assignee: 3M Innovative Properties CompanyInventors: Peter A. Felipe, Sr., James W. Schutz, Gregory A. Koehnle, Michael J. Annen, Albert I. Everaerts
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Patent number: 7572848Abstract: A coatable composition that comprises water, a film-forming organic polymer, and a leveling agent comprising an anionic species represented by the formula wherein Rf represents a perfluoroalkyl group having from 4 to 6 carbon atoms, and R represents H or an alkyl group having from 1 to 18 carbon atoms.Type: GrantFiled: December 21, 2005Date of Patent: August 11, 2009Assignee: 3M Innovative Properties CompanyInventors: Patricia M. Savu, Michael J. Parent, William M. Lamanna
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Patent number: 7560166Abstract: An adhesive article comprising a fluorothermoplastic film having a major surface; and a pressure sensitive adhesive layer adhered to at least a portion of the first major surface, wherein the pressure sensitive adhesive comprises a silicone polyurea block copolymer and an MQ tackifying resin. Composite articles preparable from the adhesive articles, and methods of making the same are also disclosed.Type: GrantFiled: December 28, 2005Date of Patent: July 14, 2009Assignee: 3M Innovative Properties CompanyInventors: George G. I. Moore, John C. Clark, Audrey A. Sherman, Mark W. Muggli, Kurt C. Melancon, Timothy D. Filiatrault, Naiyong Jing
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Patent number: 7556774Abstract: A method of making an optochemical sensor, the method comprising: providing a reflective substrate having a major surface; affixing a detection layer comprising at least one intrinsically microporous polymer to at least a portion of the major surface; depositing a substantially continuous semi-reflective metallic layer on at least a portion of the detection layer, the semi-reflective metallic layer comprising palladium and having a network of fine irregular cracks therein; and heating the detection layer and semi-reflective metallic layer in the presence of molecular oxygen at a temperature sufficient to cause the cracks to widen. Sensors prepared according to method are also disclosed.Type: GrantFiled: December 21, 2005Date of Patent: July 7, 2009Assignee: 3M Innovative Properties CompanyInventors: Neal A. Rakow, Michael S. Wendland, Michael C. Palazzotto, Dora M. Paolucci, Richard J. Poirier, Stefan H. Gryska, John E. Trend, Moses M. David
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Patent number: 7517455Abstract: A method of extracting ethanol from a feed solution using a liquid-liquid extraction system including an outer chamber and an inner chamber. The outer chamber is adapted to contain one of a feed solution and a liquid extractant and defines a containment region. The inner chamber is adapted to contain the other of the feed solution and the liquid extractant within a lower portion of the inner chamber. The inner chamber is defined by a microporous membrane sleeve that internally maintains a frame. Upon final assembly, at least the lower portion of the inner chamber is positioned within the containment region of the outer chamber such that the microporous membrane sleeve establishes an extraction interface between contents of the inner and outer chambers.Type: GrantFiled: August 29, 2006Date of Patent: April 14, 2009Assignee: 3M Innovative Properties CompanyInventors: Dan L. Fanselow, Todd W. Johnson
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Patent number: 7513985Abstract: Methods of electrochemically fluorinating an acrylate polymer, and products therefrom.Type: GrantFiled: October 17, 2005Date of Patent: April 7, 2009Assignee: 3M Innovative Properties CompanyInventor: George G. I. Moore
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Patent number: 7491251Abstract: A method of making an abrasive product includes compacting a cohesive layer of abrasive particles and particulate curable binder precursor prior to forming curable shaped structures, and then at least partially curing the curable binder precursor.Type: GrantFiled: October 5, 2005Date of Patent: February 17, 2009Assignee: 3M Innovative Properties CompanyInventors: Dennis G. Welygan, Kyongcheol Lee, Louis S. Moren
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Patent number: 7425374Abstract: A composition comprising a fluorinated surfactant. Also, an unseparated reaction product obtained by reacting an epoxide and either an acid alcohol or an acid mercaptan. Additionally, a coatable composition comprising a leveling agent, water, and a film-forming organic polymer. The present application also provides a method of coating and a coated article.Type: GrantFiled: December 22, 2005Date of Patent: September 16, 2008Assignee: 3M Innovative Properties CompanyInventor: Zai-Ming Qiu
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Patent number: 7410413Abstract: A structured abrasive article comprises a backing, a structured abrasive layer affixed to the backing, the structured abrasive layer comprising: a plurality of raised abrasive regions, each raised abrasive region consisting essentially of a close-packed plurality of pyramidal abrasive composites; and a network consisting essentially of close-packed truncated pyramidal abrasive composites, wherein the network continuously abuts and separates the raised abrasive regions from one another. The height of the pyramidal abrasive composites is greater than the height of the truncated pyramidal abrasive composites. Methods of making and using the same are also disclosed.Type: GrantFiled: April 27, 2006Date of Patent: August 12, 2008Assignee: 3M Innovative Properties CompanyInventors: Edward J. Woo, Craig F. Lamphere, Gregory A. Koehnle
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Patent number: 7344575Abstract: A curable composition comprises epoxy resin preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F, polyfunctional urethane(meth)acrylate, dicyandiamide and photoinitiator. The curable composition is useful for preparing treated backings and coated abrasive articles.Type: GrantFiled: June 27, 2005Date of Patent: March 18, 2008Assignee: 3M Innovative Properties CompanyInventors: Ernest L. Thurber, Marcos R. Nery, Jeffrey S. Peterson, Don H. Kincaid, Gregory A. Berg, James L. McArdle, Steven J. Keipert
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Patent number: 7344574Abstract: A coated abrasive article has a backing treatment preparable by at least partially polymerizing an isotropic backing treatment precursor comprising polyepoxide, polyfunctional urethane (meth)acrylate, non-urethane polyfunctional (meth)acrylate, acidic free-radically polymerizable monomer, dicyandiamide, photoinitiator. Methods of making and using the same.Type: GrantFiled: June 27, 2005Date of Patent: March 18, 2008Assignee: 3M Innovative Properties CompanyInventors: Ernest L. Thurber, Don H. Kincaid, James L. McArdle, Steven J. Keipert
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Patent number: 7342080Abstract: Polymerizable fluorinated polyethers are formed by Michael-type addition of a reactive fluorinated polyether to a poly(meth)acryl compound. The polymerizable fluorinated polyethers may be used to form composite articles.Type: GrantFiled: December 10, 2004Date of Patent: March 11, 2008Assignee: 3M Innovative Properties CompanyInventors: Zai-Ming Qiu, Thomas P. Klun, Naiyong Jing, William D. Coggio
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Patent number: 7338355Abstract: An abrasive article having an apertured coated abrasive member, filter media, and an attachment interface member is formed by an ultrasonic welding process. The abrasive article is useful for abrading a workpiece.Type: GrantFiled: June 13, 2006Date of Patent: March 4, 2008Assignee: 3M Innovative Properties CompanyInventors: Rufus C. Sanders, Jr., Timothy J. Rowell, Satinder K. Nayar
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Patent number: 7304101Abstract: Anionic species are removed from aqueous dispersions of ionic fluoropolymers using anion exchange resins. In some embodiments, cationic species are also removed using cation exchange resins.Type: GrantFiled: July 19, 2004Date of Patent: December 4, 2007Assignee: 3M Innovative Properties CompanyInventors: Klaus Hintzer, Kai H. Lochhaas, Tanja Zeif, Steven J. Hamrock, Harold T. Freemyer
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Patent number: 7304106Abstract: A nanocomposite precursor comprises a plurality of nanoparticles homogeneously dispersed in an organic binder precursor. The nanocomposite precursor is useful for forming a nanocomposite, suitable for use as a protective coating, wherein the plurality of nanoparticles is homogeneously dispersed in an organic binder. The nanoparticles comprise Ti/Sb mixed oxide nanoparticles containing a rutile-like crystalline phase, wherein the ensemble average rutile-like crystalline phase content of the Ti/Sb mixed oxide nanoparticles is at least 20 weight percent, and wherein the weight ratio of antimony to titanium in the Ti/Sb mixed oxide nanoparticles is in a range of from at least 0.42 up to and including 2.93.Type: GrantFiled: August 10, 2004Date of Patent: December 4, 2007Assignee: 3M Innovative Properties CompanyInventors: John T. Brady, David S. Arney
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Patent number: 7294667Abstract: Coated abrasive articles comprise a composition comprising binder and at least about 25% by weight graphite particles, based on the total solids content of the composition.Type: GrantFiled: April 11, 2003Date of Patent: November 13, 2007Assignee: 3M Innovative Properties CompanyInventor: Michael L. Teetzel