Patents by Inventor Michael L. Tumey
Michael L. Tumey 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).
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Publication number: 20180022972Abstract: This disclosure is directed at specific acrylic PSA compositions that are capable of resisting a broad array of solvents. Acrylic PSA's primarily derived from C?1#191-C?4#191 acrylate monomers and functional acrylates exhibit a strong resistance to a wide array of solvents, including both polar and non-polar solvents.Type: ApplicationFiled: November 25, 2015Publication date: January 25, 2018Inventors: Dong-Wei Zhu, Peter J. Elliott, Donald B. Ketcham, Jingjing Ma, Michael L. Tumey
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Patent number: 9574117Abstract: Adhesives suitable for use with low surface energy materials are described. The adhesive contain an acrylic copolymer, a high glass transition temperature tackifier and a low glass transition temperature tackifier. The acrylic copolymer is the reaction product of a first alkyl(meth)acrylate having at least 5 carbon atoms in the alkyl group, a second alkyl(meth)acrylate having 1 to 4 carbon atoms in the alkyl group, and a vinyl carboxylic acid. Both tackifiers have a Tg greater than the Tg of the acrylic copolymer. The high glass transition temperature tackifier has a Tg of at least 20° C. and the low glass transition temperature tackifier has a Tg of less than 0° C.Type: GrantFiled: December 28, 2015Date of Patent: February 21, 2017Assignee: 3M Innovative Properties CompanyInventors: Jingjing Ma, Zhong Chen, Megan P. Lehmann, Michael L. Tumey, Dong-Wei Zhu
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Publication number: 20160108295Abstract: Adhesives suitable for use with low surface energy materials are described. The adhesive contain an acrylic copolymer, a high glass transition temperature tackifier and a low glass transition temperature tackifier. The acrylic copolymer is the reaction product of a first alkyl(meth)acrylate having at least 5 carbon atoms in the alkyl group, a second alkyl(meth)acrylate having 1 to 4 carbon atoms in the alkyl group, and a vinyl carboxylic acid. Both tackifiers have a Tg greater than the Tg of the acrylic copolymer. The high glass transition temperature tackifier has a Tg of at least 20° C. and the low glass transition temperature tackifier has a Tg of less than 0° C.Type: ApplicationFiled: December 28, 2015Publication date: April 21, 2016Inventors: Jingjing Ma, Zhong Chen, Megan P. Lehmann, Michael L. Tumey, Dong-Wei Zhu
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Patent number: 8551616Abstract: Adhesive compositions and articles that contain these adhesive compositions are described. More particularly, the adhesive compositions include (a) a block copolymer prepared from monoethylenically unsaturated monomers and (b) a tackifier mixture. The adhesives compositions can be adhered to many substrates including those having a non-polar surface.Type: GrantFiled: April 28, 2009Date of Patent: October 8, 2013Assignee: 3M Innovative Properties CompanyInventors: Eugene G. Joseph, Vivek Bharti, Jingjing Ma, Michael L. Tumey
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Publication number: 20110135922Abstract: Adhesive compositions and articles that contain these adhesive compositions are described. More particularly, the adhesive compositions include (a) a block copolymer prepared from monoethylenically unsaturated monomers and (b) a tackifier mixture. The adhesives compositions can be adhered to many substrates including those having a non-polar surface.Type: ApplicationFiled: April 28, 2009Publication date: June 9, 2011Inventors: Eugene G. Joseph, Vivek Bharti, Jingjing Ma, Michael L. Tumey
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Publication number: 20110104486Abstract: Adhesives suitable for use with low surface energy materials are described. The adhesive contain an acrylic copolymer, a high glass transition temperature tackifier and a low glass transition temperature tackifier. The acrylic copolymer is the reaction product of a first alkyl(meth)acrylate having at least 5 carbon atoms in the alkyl group, a second alkyl(meth)acrylate having 1 to 4 carbon atoms in the alkyl group, and a vinyl carboxylic acid. Both tackifiers have a Tg greater than the Tg of the acrylic copolymer. The high glass transition temperature tackifier has a Tg of at least 20° C. and the low glass transition temperature tackifier has a Tg of less than 0° C.Type: ApplicationFiled: June 10, 2009Publication date: May 5, 2011Inventors: Jingjing Ma, Zhong Chen, Megan P. Lehmann, Michael L. Tumey, Dong-Wei Zhu
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Patent number: 7090922Abstract: Priming compositions and methods, wherein the compositions include a polydiorganosiloxane polyurea copolymer comprising electron rich groups.Type: GrantFiled: December 18, 2001Date of Patent: August 15, 2006Assignee: 3M Innovative Properties CompanyInventors: Zhiming Zhou, Mieczyslaw H. Mazurek, Timothy J. Diekmann, Anthony M. Kremer, Duane A. Lunsford, Kurt C. Melancon, Michael L. Tumey
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Patent number: 6730397Abstract: Pressure sensitive adhesives and methods wherein the pressure sensitive adhesives include a silicone tackifying resin having no greater than about 1.5 wt-% Si—OH functional groups and a polydiorganosiloxane polyurea copolymer.Type: GrantFiled: December 18, 2001Date of Patent: May 4, 2004Assignee: 3M Innovative Properties CompanyInventors: Kurt C. Melancon, Anthony M. Kremer, Audrey A. Sherman, Zhiming Zhou, Michael L. Tumey, Duane A. Lunsford
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Publication number: 20030165676Abstract: Priming compositions and methods, wherein the compositions include a polydiorganosiloxane polyurea copolymer comprising electron rich groups.Type: ApplicationFiled: December 18, 2001Publication date: September 4, 2003Inventors: Zhiming Zhou, Mieczyslaw H. Mazurek, Timothy J. Diekmann, Anthony M. Kremer, Duane A. Lunsford, Kurt C. Melancon, Michael L. Tumey
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Publication number: 20030152768Abstract: Pressure sensitive adhesives and methods wherein the pressure sensitive adhesives include a silicone tackifying resin having no greater than about 1.5 wt- % Si—OH functional groups and a polydiorganosiloxane polyurea copolymer.Type: ApplicationFiled: December 18, 2001Publication date: August 14, 2003Inventors: Kurt C. Melancon, Anthony M. Kremer, Audrey A. Sherman, Zhiming Zhou, Michael L. Tumey, Duane A. Lunsford
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Patent number: 6485589Abstract: The invention provides a method for imparting topographical or protective features to a substrate by contacting a sheet material comprising a thermoplastic layer with a substrate and heating the sheet material to an elevated temperature. The invention also provides a sheet material which comprises at least one layer consisting essentially of one or more thermoplastic, melt-flowable polymers that are semi-crystalline at room temperature.Type: GrantFiled: April 12, 1996Date of Patent: November 26, 2002Assignee: 3M Innovative Properties CompanyInventors: Michael A. Johnson, Peggy S. Willett, Michael L. Tumey, Clayton A. George, Akira Itoh
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Patent number: 5741543Abstract: This invention relates to a process in which a composition is coated onto a substrate and crosslinked so as to form a PSA by means of polymerizing free radically polymerizable monomers from covalently attached pendent unsaturation in the polymer component of the composition. The coating can carried out by a wide variety of industrial methods because the process of the invention allows for compositions with a wide degree of possible viscosities.Type: GrantFiled: July 18, 1996Date of Patent: April 21, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: Louis E. Winslow, Greggory S. Bennett, Gaddam N. Babu, Paul Hattam, Michael L. Tumey, Bhaskar V. Velamakanni
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Patent number: 5057366Abstract: The invention provides normally tacky and pressure-sensitive adhesive compositions comprising a polymer having an inherent viscosity greater than 0.2 and having in its backbone at least a major portion by weight of polymerized monomeric acrylic or methacrylic acid ester of a non-tertiary alcohol and, having attached to the backbone, polymeric moieties having a weight average molecular weight of above about 2,000 and a T.sub.g of above about 20.degree. C. The number and composition of the attached moieties in the polymer is such as to provide the adhesive composition with a shear holding value of at least 50 minutes. Sheet materials coated with the adhesive composition are also provided. Preferred adhesive composition comprises a copolymer monomeric acrylic or methacrylic acid ester of non-tertiary alcohol and macromolecular monomer. The copolymer may also include up to 12% by weight of a copolymerizable polar monomer such as acrylic acid.Type: GrantFiled: September 16, 1982Date of Patent: October 15, 1991Assignee: Minnesota Mining and Manufacturing CompanyInventors: James R. Husman, James N. Kellen, Rebecca E. McCluney, Michael L. Tumey
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Patent number: 4836832Abstract: Coated abrasive product and a process for producing same. The coated abrasive product comprises a backing, a make coat, and a size coat, and may contain an optional saturant coat, an optional presize coat, an optional backsize coat, or any combination of said optional coats, in which at least one coat is formed from a composition curable by electromagnetic radiation comprising:(A) a curable portion containing both ethylenically unsaturated groups and 1,2-epoxide groups, which groups can be in the same compound or in different compounds, and(B) a photoinitiator portion.The photoinitiator portion activates both free-radical and cationic curing mechanisms.Type: GrantFiled: April 5, 1988Date of Patent: June 6, 1989Assignee: Minnesota Mining and Manufacturing CompanyInventors: Michael L. Tumey, Donna W. Bange, Aida F. Robbins
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Patent number: 4751138Abstract: Coated abrasive product and a process for producing same. The coated abrasive product comprises a backing, a make coat, and a size coat, and may contain an optional saturant coat, an optional presize coat, an optional backsize coat, or any combination of said optional coats, in which at least one coat is formed from a composition curable by electromagnetic radiation comprising:(A) a curable portion containing both ethylenically unsaturated groups and 1,2-epoxide groups, which groups can be in the same compound or in different compounds, and(B) a photoinitiator portion.The photoinitiator portion activates both free-radical and cationic curing mechanisms.Type: GrantFiled: August 11, 1986Date of Patent: June 14, 1988Assignee: Minnesota Mining and Manufacturing CompanyInventors: Michael L. Tumey, Donna W. Bange, Aida F. Robbins
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Patent number: 4699843Abstract: Pressure-sensitive adhesives are prepared by the simultaneous polymerization of minor amounts of at least one alkenyl azlactone monomer and at least one arylic-functional carboxylic acid monomer, or precursors thereof, with a major amount of at least one acrylic monomer. The pressure-sensitive adhesives, after application to a substrate, will significantly increase in adhesion to the resultant bonded substrate after they are in the bonded configuration.Type: GrantFiled: June 24, 1986Date of Patent: October 13, 1987Assignee: Minnesota Mining and Manufacturing CompanyInventors: Robert R. Charbonneau, Steven M. Heilmann, Jerald K. Rasmussen, Michael L. Tumey
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Patent number: 4619867Abstract: Pressure-sensitive adhesives are prepared by the simultaneous polymerization of minor amounts of at least one alkenyl azlactone monomer and at least one arylic-functional carboxylic acid monomer, or precursors thereof, with a major amount of at least one acrylic monomer. The pressure-sensitive adhesives, after application to a substrate, will significantly increase in adhesion to the resultant bonded substrate after they are in the bonded configuration.Type: GrantFiled: November 28, 1984Date of Patent: October 28, 1986Assignee: Minnesota Mining and Manufacturing CompanyInventors: Robert R. Charbonneau, Steven M. Heilmann, Jerald K. Rasmussen, Michael L. Tumey
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Patent number: 4554324Abstract: The invention provides normally tacky and pressure-sensitive adhesive compositions comprising a polymer having an inherent viscosity greater than 0.2 and having in its backbone at least a major portion by weight of polymerized monomeric acrylic or methacrylic acid ester of a non-tertiary alcohol and, having attached to the backbone, polymeric moieties having a weight average molecular weight of above about 2,000 and a T.sub.g of above about 20.degree. C. The number and composition of the attached moieties in the polymer is such as to provide the adhesive composition with a shear holding value of at least 50 minutes. Sheet materials coated with the adhesive composition are also provided. Preferred adhesive composition comprises a copolymer monomeric acrylic or methacrylic acid ester of non-tertiary alcohol and macromolecular monomer. The copolymer may also include up to 12% by weight of a copolymerizable polar monomer such as acrylic acid.Type: GrantFiled: April 4, 1985Date of Patent: November 19, 1985Assignee: Minnesota Mining and Manufacturing Co.Inventors: James R. Husman, James N. Kellen, Rebecca E. McCluney, Michael L. Tumey