Patents by Inventor Bradford B. Wright
Bradford B. Wright 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: 20210380857Abstract: A plurality of supported abrasive particles wherein each supported abrasive particle respectively comprises an abrasive platelet member having a major surface and having at least one crushed support member securely bonded to and proximate the major surface. Abrasive articles containing the supported abrasive particles, and methods of making supported abrasive particles are also disclosed.Type: ApplicationFiled: October 1, 2019Publication date: December 9, 2021Inventors: Yuyang LIU, Chainika JANGU, Negus B. ADEFRIS, Ernest L. THURBER, Bradford B. WRIGHT, Geoffrey I. WILSON, Junting LI, Amelia W. KOENIG, Steven J. KEIPERT
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Patent number: 10675734Abstract: A coated abrasive article maker apparatus is disclosed comprising a first web path comprising a production tool and a second web path configured for a resin coated backing. The second web path is configured to guide the resin coated backing through the coated abrasive article maker apparatus with the resin layer positioned facing the dispensing surface. An abrasive particle feeder is positioned along the first web path and is configured to dispense abrasive particles onto the dispensing surface such that abrasive particles are removably disposed within cavities of the production tool. Abrasive particles are transferred from the plurality of cavities to the resin layer of the resin coated backing when the production tool is positioned adjacent the resin coated backing.Type: GrantFiled: December 19, 2019Date of Patent: June 9, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Scott R. Culler, John T. Boden, Steven J. Keipert, Negus B. Adefris, Karan Jindal, Aaron K. Nienaber, David L. Morrison, Peter T. Benson, Pratik Pranay, Bradford B. Wright
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Publication number: 20200139512Abstract: A coated abrasive article maker apparatus is disclosed comprising a first web path comprising a production tool and a second web path configured for a resin coated backing. The second web path is configured to guide the resin coated backing through the coated abrasive article maker apparatus with the resin layer positioned facing the dispensing surface. An abrasive particle feeder is positioned along the first web path and is configured to dispense abrasive particles onto the dispensing surface such that abrasive particles are removably disposed within cavities of the production tool. Abrasive particles are transferred from the plurality of cavities to the resin layer of the resin coated backing when the production tool is positioned adjacent the resin coated backing.Type: ApplicationFiled: December 19, 2019Publication date: May 7, 2020Inventors: Scott R. Culler, John T. Boden, Steven J. Keipert, Negus B. Adefris, Karan Jindal, Aaron K. Nienaber, David L. Morrison, Peter T. Benson, Pratik Pranay, Bradford B. Wright
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Patent number: 10518388Abstract: A coated abrasive article maker apparatus including a first web path guiding a production tool such that it wraps a portion of the outer circumference of an abrasive particle transfer roll; a second web path for a resin coated backing guiding the resin coated backing such that it wraps a portion of the outer circumference of the abrasive particle transfer roll with the resin layer positioned facing the dispensing surface of the production tool this is positioned between the resin coated backing and the outer circumference of the abrasive particle transfer roll; and wherein abrasive particles are transferred from cavities in the production tool to the resin coated backing as the resin coated backing and the production tool traverse around the abrasive particle transfer roll.Type: GrantFiled: December 22, 2014Date of Patent: December 31, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Scott R. Culler, John T. Boden, Steven J. Keipert, Negus B. Adefris, Karan Jindal, Aaron K. Nienaber, David L. Morrison, Peter T. Benson, Pratik Pranay, Bradford B. Wright
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Patent number: 10228617Abstract: A semi-submersible microscope objective includes a microscope objective having a protective barrel with an optical inlet and optical outlet, and a protective element affixed to the microscope objective, sealing the optical exit but not the optical inlet. A transparent portion of the protective element is aligned with the optical exit. The protective element is separable from the microscope objective without damaging the microscope objective. Use of the semi-submersible microscope objective in a multiphoton imaging method is also disclosed.Type: GrantFiled: February 8, 2018Date of Patent: March 12, 2019Assignee: 3M Innovative Properties CompanyInventors: Brian J. Gates, Robert J. DeVoe, Tzu-Chen Lee, Bradford B. Wright
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Publication number: 20180231888Abstract: A semi-submersible microscope objective includes a microscope objective having a protective barrel with an optical inlet and optical outlet, and a protective element affixed to the microscope objective, sealing the optical exit but not the optical inlet. A transparent portion of the protective element is aligned with the optical exit. The protective element is separable from the microscope objective without damaging the microscope objective. Use of the semi-submersible microscope objective in a multiphoton imaging method is also disclosed.Type: ApplicationFiled: February 8, 2018Publication date: August 16, 2018Inventors: Brian J. Gates, Robert J. DeVoe, Tzu-Chen Lee, Bradford B. Wright
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Patent number: 9927702Abstract: A semi-submersible microscope objective (100) includes a microscope objective having a protective barrel (120) with an optical inlet (122) and optical outlet (124), and a protective element (130) affixed to the microscope objective, sealing the optical outlet (124) but not the optical inlet (122). A transparent portion (132) of the protective element is aligned with the optical exit (124). The protective element is separable from the microscope objective without damaging the microscope objective. Use of the semi-submersible microscope objective in a multiphoton imaging method is also disclosed.Type: GrantFiled: December 1, 2014Date of Patent: March 27, 2018Assignee: 3M Innovative Properties CompanyInventors: Brian J. Gates, Robert J. DeVoe, Tzu-Chen Lee, Bradford B. Wright
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Publication number: 20160311081Abstract: A coated abrasive article maker apparatus including a first web path guiding a production tool such that it wraps a portion of the outer circumference of an abrasive particle transfer roll; a second web path for a resin coated backing guiding the resin coated backing such that it wraps a portion of the outer circumference of the abrasive particle transfer roll with the resin layer positioned facing the dispensing surface of the production tool this is positioned between the resin coated backing and the outer circumference of the abrasive particle transfer roll; and wherein abrasive particles are transferred from cavities in the production tool to the resin coated backing as the resin coated backing and the production tool traverse around the abrasive particle transfer rollType: ApplicationFiled: December 22, 2014Publication date: October 27, 2016Inventors: Scott R. Culler, John T. Boden, Steven J. Keipert, Negus B. Adefris, Karan Jindal, Aaron K. Nienaber, David L. Morrison, Peter T. Benson, Pratik Pranay, Bradford B. Wright
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Publication number: 20160299426Abstract: A semi-submersible microscope objective (100) includes a microscope objective having a protective barrel (120) with an optical inlet (122) and optical outlet (124), and a protective element (130) affixed to the microscope objective, sealing the optical outlet (124) but not the optical inlet (122). A transparent portion (132) of the protective element is aligned with the optical exit (124). The protective element is separable from the microscope objective without damaging the microscope objective. Use of the semi-submersible microscope objective in a multiphoton imaging method is also disclosed.Type: ApplicationFiled: December 1, 2014Publication date: October 13, 2016Inventors: Brian J. Gates, Robert J. DeVoe, Tzu-Chen Lee, Bradford B. Wright
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Patent number: 6780472Abstract: A monomer useful in the formulation of a radiation curable coatable composition comprises (a) polyfunctional isocyanurate having at least three terminal reactive groups reacted with (b) hydroxyalkyl acrylate and (c) tertiary amine alcohol in a molar ratio of a:b:c of about 1:1-2.5:0.5-2, wherein b+c is at least 3 and no greater than the total number of terminal reactive groups of (a). The monomer is included in a radiation curable coatable composition suitable for use as a floor finish and in a floor finishing system comprising the foregoing coatable composition with a primer. A method for the treatment of a substrate using the floor finish and the floor finishing system is also described.Type: GrantFiled: December 19, 2001Date of Patent: August 24, 2004Assignee: 3M Innovative Properties CompanyInventors: Steven J. Hamrock, Fidelis C. Onwumere, Bradford B. Wright, Michael A. Yandrasits
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Publication number: 20040126708Abstract: A process for modifying the surface of a polymeric substrate. The process includes digitally applying a photoreactive material comprising at least one photochemical electron donor to a region of a polymeric substrate and exposing at least a portion of that region to actinic radiation. The modified surface of the polymeric substrate may be bonded to one or more additional substrates, or may be coated with a fluid.Type: ApplicationFiled: December 31, 2002Publication date: July 1, 2004Applicant: 3M Innovative Properties CompanyInventors: Naiyong Jing, Bradford B. Wright, Caroline M. Ylitalo
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Publication number: 20030087981Abstract: A monomer useful in the formulation of a radiation curable coatable composition comprises (a) polyfunctional isocyanurate having at least three terminal reactive groups reacted with (b) hydroxyalkyl acrylate and (c) tertiary amine alcohol in a molar ratio of a:b:c of about 1:1-2.5:0.5-2, wherein b+c is at least 3 and no greater than the total number of terminal reactive groups of (a). The monomer is included in a radiation curable coatable composition suitable for use as a floor finish and in a floor finishing system comprising the foregoing coatable composition with a primer. A method for the treatment of a substrate using the floor finish and the floor finishing system is also described.Type: ApplicationFiled: December 19, 2001Publication date: May 8, 2003Applicant: 3M Innovative Properties CompanyInventors: Steven J. Hamrock, Fidelis C. Onwumere, Bradford B. Wright, Michael A. Yandrasits
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Patent number: 6217984Abstract: An energy sensitive composition comprising a monomeric organometallic complex essentially free of nucleophilic groups and which, upon exposure to energy, bonds to basic reactive sites on a substrate via the metal center, leaving the polymerizable group of the complex unreacted and unrestricted; an energy sensitive composition at least one energy sensitive organometallic group is incorporated in or appended to the backbone of a polymer, such that the resulting coordinatively unsaturated organometallic group or groups bond to basic reactive sites on a substrate, thus forming permanent bonds, and further, the adherent compositions are useful in applications such as adhesion of polymers to substrates, protective coatings, printing plates, durable release coatings, primers, binders, and paints.Type: GrantFiled: May 21, 1992Date of Patent: April 17, 2001Assignee: 3M Innovative Properties CompanyInventors: Wesley J. Bruxvoort, Steven J. Keipert, Fred B. McCormick, Jerry W. Williams, Bradford B. Wright
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Patent number: 6197844Abstract: A monomer useful in the formulation of a radiation curable coatable composition comprises (a) polyfunctional isocyanurate having at least three terminal reactive groups reacted with (b) hydroxyalkyl acrylate and (c) tertiary amine alcohol in a molar ratio of a:b:c of about 1:1-2.5:0.5-2, wherein b+c is at least 3 and no greater than the total number of terminal reactive groups of (a). The monomer is included in a radiation curable coatable composition suitable for use as a floor finish and in a floor finishing system comprising the foregoing coatable composition with a primer. A method for the treatment of a substrate using the floor finish and the floor finishing system is also described.Type: GrantFiled: February 4, 1999Date of Patent: March 6, 2001Assignee: 3M Innovative Properties CompanyInventors: Steven J. Hamrock, Fidelis C. Onwumere, Bradford B. Wright, Michael A. Yandrasits
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Patent number: 6132860Abstract: An energy sensitive composition comprising a monomeric organometallic complex essentially free of nucleophilic groups and which, upon exposure to energy, bonds to basic reactive sites on a substrate via the metal center, leaving the polymerizable group of the complex unreacted and unrestricted; an energy sensitive composition at least one energy sensitive organometallic group is incorporated in or appended to the backbone of a polymer, such that the resulting coordinatively unsaturated organometallic group or groups bond to basic reactive sites on a substrate, thus forming permanent bonds, and further, the adherent compositions are useful in applications such as adhesion of polymers to substrates, protective coatings, printing plates, durable release coatings, primers, binders, and paints.Type: GrantFiled: July 1, 1997Date of Patent: October 17, 2000Assignee: 3M Innovative Properties CompanyInventors: Wesley J. Bruxvoort, Steven J. Keipert, Fred B. McCormick, Jerry W. Williams, Bradford B. Wright
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Patent number: 6013587Abstract: Nonwoven articles having high durability and absorbent characteristics, and their methods of manufacture, are presented. One preferred article is characterized by(a) a nonwoven web comprised of organic fibers comprised of polymers having a plurality of pendant hydroxyl groups; and(b) a binder comprising an at least partially crosslinked and at least partially hydrolyzed polymeric resin having a plurality of pendant resin hydroxyl groups, the resin crosslinked by a crosslinking agent, the crosslinking agent selected from the group consisting of organic titanates and amorphous metal oxides, the polymeric resin derived from monomers selected from the group consisting of monomers within the general formula ##STR1## wherein: X is selected from the group consisting of Si(OR.sup.4 OR.sup.5 OR.sup.6) and O(CO)R.sup.7 ; andR.sup.1 -R.sup.7 inclusive are independently selected from the group consisting of hydrogen and organic radicals having from 1 to about 10 carbon atoms, inclusive, and combinations thereof.Type: GrantFiled: May 29, 1996Date of Patent: January 11, 2000Assignee: Minnesota Mining and Manufacturing CompanyInventors: Jack G. Truong, Willa M. Studiner, Bradford B. Wright, Michael M. Rock, Jr.
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Patent number: 5883019Abstract: Nonwoven articles having high durability and absorbent-characteristics, and their methods of manufacture, are presented. One preferred article is characterized by(a) a nonwoven web comprised of organic fibers comprised of polymers having a plurality of pendant hydroxyl groups; and(b) a binder comprising an at least partially crosslinked and at least partially hydrolyzed polymeric resin having a plurality of pendant resin hydroxyl groups, the resin crosslinked by a crosslinking agent, the crosslinking agent selected from the group consisting of organic titanates and amorphous metal oxides, the polymeric resin derived from monomers selected from the group consisting of monomers within the general formula ##STR1## wherein: X is selected from the group consisting of Si(OR.sup.4 OR.sup.5 OR.sup.6) and O(CO)R.sup.7 ; andR.sup.1 -R.sup.7 inclusive are independently selected from the group consisting of hydrogen and organic radicals having from 1 to about 10 carbon atoms, inclusive, and combinations thereof.Type: GrantFiled: May 28, 1996Date of Patent: March 16, 1999Assignee: Minnesota Mining and Manufacturing Co.Inventors: Jack G. Troung, Bradford B. Wright, Michael M. Rock, Jr.
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Patent number: 5656333Abstract: Nonwoven articles having high durability and absorbent characteristics, and their methods of manufacture, are presented. One preferred article is characterized by(a) a nonwoven web comprised of organic fibers comprised of polymers having a plurality of pendant hydroxyl groups; and(b) a binder comprising an at least partially crosslinked and at least partially hydrolyzed polymeric resin having a plurality of pendant resin hydroxyl groups, the resin crosslinked by a crosslinking agent, the crosslinking agent selected from the group consisting of organic titanates and amorphous metal oxides, the polymeric resin derived from monomers selected from the group consisting of monomers within the general formula ##STR1## wherein: X is selected from the group consisting of Si(OR.sup.4 OR.sup.5 OR.sup.6) and O(CO)R.sup.7 ; andR.sup.1 -R.sup.7 inclusive are independently selected from the group consisting of hydrogen and organic radicals having from 1 to about 10 carbon atoms, inclusive, and combinations thereof.Type: GrantFiled: May 28, 1996Date of Patent: August 12, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Jack G. Truong, Willa M. Studiner, Bradford B. Wright, Michael M. Rock, Jr.
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Patent number: 5380923Abstract: Polymeric triarylsulfonium salts are provided having a repeating structural unit with the formula: ##STR1## where R represents a substituted or unsubstituted aryl group, X.sup.- represents a non-nucleophilic anion, n represents an integer greater than or equal to 0 and p represents an integer greater than or equal to 2 and may be prepared by combining (a) an arylbis(p-fluorophenyl)substituted sulfonium salt with a bis(trimethylsilylated)dithiol in a polar aprotic solvent.Type: GrantFiled: April 29, 1993Date of Patent: January 10, 1995Assignee: Minnesota Mining and Manufacturing CompanyInventors: Bradford B. Wright, Omar Farooq, Robert J. DeVoe
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Patent number: 4954416Abstract: Free radical polymerizable compositions contain a sulfonium salt which is tethered to at least one of an electron donor and a sensitizer, and a polymerizable monomer, demonstrate substantially enhanced photosensitivity. This invention also provides layered structures comprising a substrate coated with a free radical polymerizable composition containing a sulfonium salt which is tethered to at least one of an electron donor and a sensitizer, and the polymerized layered structures. A method for the preparation of certain tethered sulfonium salts is described.Type: GrantFiled: December 21, 1988Date of Patent: September 4, 1990Assignee: Minnesota Mining and Manufacturing CompanyInventors: Bradford B. Wright, Robert J. DeVoe