Patents by Inventor Dean S. Milbrath
Dean S. Milbrath 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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Patent number: 6780220Abstract: This invention relates to a method for generating pollution credits while processing molten magnesium, aluminum, lithium, and alloys of such metals by contacting the molten metal or alloy with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroketones, and mixtures thereof.Type: GrantFiled: March 22, 2003Date of Patent: August 24, 2004Assignee: 3M Innovative Properties CompanyInventors: Dean S. Milbrath, John G. Owens
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Patent number: 6759374Abstract: The present invention provides a composition for cutting or abrasive working operations that comprises at least one lubricious additive and at least one hydrofluorocarbons. The present invention also provides a method for cutting or abrasive working.Type: GrantFiled: September 19, 2001Date of Patent: July 6, 2004Assignee: 3M Innovative Properties CompanyInventors: Dean S. Milbrath, Mark W. Grenfell
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Patent number: 6734154Abstract: A process for removing contaminants from the surface of a substrate comprises contacting the substrate with a cleaning composition comprising at least one mono-, di-, or trialkoxy-substituted perfluoroalkane, perfluorocycloalkane, perfluorocycloalkyl-containing perfluoroalkane, or perfluorocycloalkylene-containing perfluoroalkane compound, the compound optionally containing additional catenary heteroatoms. The compounds exhibit good solvency properties while being environmentally acceptable.Type: GrantFiled: December 18, 2001Date of Patent: May 11, 2004Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Mark W. Grenfell, George G. I. Moore, John G. Owens, Dean S. Milbrath
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Patent number: 6685764Abstract: This invention relates to a method for preventing the ignition of molten magnesium by contacting the molten magnesium with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroketones, and mixtures thereof.Type: GrantFiled: March 22, 2003Date of Patent: February 3, 2004Assignee: 3M Innovative Properties CompanyInventors: Dean S. Milbrath, John G. Owens
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Publication number: 20030164068Abstract: This invention relates to a method for preventing the ignition of molten magnesium by contacting the molten magnesium with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroketones, and mixtures thereof.Type: ApplicationFiled: March 22, 2003Publication date: September 4, 2003Applicant: 3M Innovative Properties CompanyInventors: Dean S. Milbrath, John G. Owens
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Publication number: 20030164069Abstract: This invention relates to a method for generating pollution credits while processing molten magnesium, aluminum, lithium, and alloys of such metals by contacting the molten metal or alloy with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroketones, and mixtures thereof.Type: ApplicationFiled: March 22, 2003Publication date: September 4, 2003Applicant: 3M Innovative Properties CompanyInventors: Dean S. Milbrath, John G. Owens
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Publication number: 20030134757Abstract: The present invention provides a composition for cutting or abrasive working operations that comprises at least one lubricious additive and at least one hydrofluorocarbons. The present invention also provides a method for cutting or abrasive working.Type: ApplicationFiled: September 19, 2001Publication date: July 17, 2003Inventors: Dean S. Milbrath, Mark W. Grenfell
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Patent number: 6537346Abstract: This invention relates to a method for preventing the ignition of molten magnesium by contacting the molten magnesium with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroketones, and mixtures thereof.Type: GrantFiled: February 9, 2001Date of Patent: March 25, 2003Assignee: 3M Innovative Properties CompanyInventors: Dean S. Milbrath, John G. Owens
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Publication number: 20030034094Abstract: This invention relates to a method for preventing the ignition of molten magnesium by contacting the molten magnesium with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroketones, and mixtures thereof.Type: ApplicationFiled: February 9, 2001Publication date: February 20, 2003Applicant: 3M Innovative Properties CompanyInventors: Dean S. Milbrath, John G. Owens
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Publication number: 20020124326Abstract: A process for removing contaminants from the surface of a substrate comprises contacting the substrate with a cleaning composition comprising at least one mono-, di-, or trialkoxy-substituted perfluoroalkane, perfluorocycloalkane, perfluorocycloalkyl-containing perfluoroalkane, or perfluorocycloalkylene-containing perfluoroalkane compound, the compound optionally containing additional catenary heteroatoms. The compounds exhibit good solvency properties while being environmentally acceptable.Type: ApplicationFiled: December 18, 2001Publication date: September 12, 2002Applicant: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Mark W. Grenfell, George G. I. Moore, John G. Owens, Dean S. Milbrath
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Patent number: 6426327Abstract: The invention provides azeotrope-like compositions consisting essentially of RfOCH3, where Rf is a branched or straight chain perfluoroalkyl group having 4 carbon atoms, and one or more organic solvent(s) selected from the group consisting of: straight chain, branched chain and cyclic alkanes containing 6 to 8 carbon atoms; cyclic and acyclic ethers containing 4 to 6 carbon atoms; ketones having 3 carbon atoms; chlorinated alkanes containing 1, 3 or 4 carbon atoms; chlorinated alkenes containing 2 carbon atoms, alcohols containing 1 to 4 carbon atoms, partially fluorinated alcohols containing 2 to 3 carbon atoms, 1-bromopropane, acetonitrile, HCFC 225ca (1,1,-dichloro-2,2,3,3,3 pentafluoropropane and HCFC-225cb (1,3-dichloro-1,1,2,2,3-pentafluoropropane).Type: GrantFiled: February 14, 2001Date of Patent: July 30, 2002Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Dean S. Milbrath, John G. Owens, Daniel R. Vitcak, Hideto Yanome
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Patent number: 6423673Abstract: The invention provides azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane and a fluorinated ketone, RfC(O)CF(CF3)2, where Rf is CF3CF2, CF3CF2CF2, or (CF3)2CF.Type: GrantFiled: September 19, 2001Date of Patent: July 23, 2002Assignee: 3M Innovation Properties CompanyInventors: John G. Owens, Dean S. Milbrath
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Patent number: 6376452Abstract: A process for removing contaminants from the surface of a substrate comprises contacting the substrate with a cleaning composition comprising at least one mono-, di-, or trialkoxy-substituted perfluoroalkane, perfluorocycloalkane, perfluorocycloalkyl-containing perfluoroalkane, or perfluorocycloalkylene-containing perfluoroalkane compound, the compound optionally containing additional catenary heteroatoms. The compounds exhibit good solvency properties while being environmentally acceptable.Type: GrantFiled: March 31, 1999Date of Patent: April 23, 2002Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Mark W. Grenfell, George G. I. Moore, John G. Owens, Dean S. Milbrath
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Patent number: 6313083Abstract: The invention provides azeotrope-like compositions consisting essentially of RfOCH3, where Rf is a branched or straight chain perfluoroalkyl group having 4 carbon atoms, and one or more organic solvent(s) selected from the group consisting of: straight chain, branched chain and cyclic alkanes containing 6 to 8 carbon atoms; cyclic and acyclic ethers containing 4 to 6 carbon atoms; ketones having 3 carbon atoms; chlorinated alkanes containing 1, 3 or 4 carbon atoms; chlorinated alkenes containing 2 carbon atoms, alcohols containing 1 to 4 carbon atoms, partially fluorinated alcohols containing 2 to 3 carbon atoms, 1-bromopropane, acetonitrile, HCFC 225ca (1,1,-dichloro-2,2,3,3,3 pentafluoropropane and HCFC- 225cb (1,3-dichloro-1,1,2,2,3-pentafluoropropane).Type: GrantFiled: February 14, 2001Date of Patent: November 6, 2001Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Dean S. Milbrath, John G. Owens, Daniel R. Vitcak, Hideto Yanome
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Patent number: 6294508Abstract: In one aspect, this invention provides a fluid comprising one or more hydrofluoroether(s) and one or more lubricious additive(s) for the cutting and abrasive treatment of metal, cermet, or composite materials. In another aspect, the present invention provides a method of cutting and abrasively treating metal, cermet, or composite materials comprising applying to the metal, cermet, or composite workpiece and tool a fluid comprising a hydrofluoroether and a lubricious additive.Type: GrantFiled: May 2, 2000Date of Patent: September 25, 2001Assignee: 3M Innovative Properties CompanyInventors: Dean S. Milbrath, Mark W. Grenfell
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Patent number: 6288018Abstract: The invention provides azeotrope-like compositions consisting essentially of RfOC2H5, where Rf is a branched or straight chain perfluoroalkyl group having 4 carbon atoms, and an organic solvent selected from the group consisting of: straight chain, branched chain and cyclic alkanes having 6 to 8 carbon atoms; esters having 4 carbon atoms; ketones having 4 carbon atoms; disiloxanes having 6 carbon atoms; cyclic and acyclic ethers having 4 to 6 carbon atoms; chlorinated alkanes having 3 to 4 carbon atoms and chlorinated alkenes having 2 carbon atoms. The compositions are useful for cleaning, as solvents or carriers for coating and as heat transfer materials.Type: GrantFiled: February 14, 2001Date of Patent: September 11, 2001Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Dean S. Milbrath, John G. Owens, Daniel R. Vitcak, Hideto Yanome
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Patent number: 6288017Abstract: The invention provides azeotrope-like compositions consisting essentially of RfOCH3, where Rf is a branched or straight chain perfluoroalkyl group having 4 carbon atoms, and one or more organic solvent(s) selected from the group consisting of: straight chain, branched chain and cyclic alkanes containing 6 to 8 carbon atoms; cyclic and acyclic ethers containing 4 to 6 carbon atoms; ketones having 3 carbon atoms; chlorinated alkanes containing 1, 3 or 4 carbon atoms; chlorinated alkenes containing 2 carbon atoms, alcohols containing 1 to 4 carbon atoms, partially fluorinated alcohols containing 2 to 3 carbon atoms, 1-bromopropane, acetonitrile, HCFC 225ca (1,1,-dichloro-2,2,3,3,3 pentafluoropropane and HCFC-225cb (1,3-dichloro-1,1,2,2,3-pentafluoropropane).Type: GrantFiled: October 28, 1999Date of Patent: September 11, 2001Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Dean S. Milbrath, John G. Owens, Daniel R. Vitcak, Hideto Yanome
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Publication number: 20010018408Abstract: The invention provides azeotrope-like compositions consisting essentially of RfOC2H5, where Rf is a branched or straight chain perfluoroalkyl group having 4 carbon atoms, and an organic solvent selected from the group consisting of: straight chain, branched chain and cyclic alkanes having 6 to 8 carbon atoms; esters having 4 carbon atoms; ketones having 4 carbon atoms; disiloxanes having 6 carbon atoms; cyclic and acyclic ethers having 4 to 6 carbon atoms; chlorinated alkanes having 3 to 4 carbon atoms and chlorinated alkenes having 2 carbon atoms. The compositions are useful for cleaning, as solvents or carriers for coating and as heat transfer materials.Type: ApplicationFiled: February 14, 2001Publication date: August 30, 2001Applicant: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Dean S. Milbrath, John G. Owens, Daniel R. Vitcak, Hideto Yanome
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Patent number: 6277807Abstract: The invention provides azeotropc-like compositions consisting essentially of RfOCH3, where Rf is a branched or straight chain perfluoroalkyl group having 4 carbon atoms, and one or more organic solvent(s) selected from the group consisting of: straight chain, branched chain and cyclic alkanes containing 6 to 8 carbon atoms; cyclic and acyclic ethers containing 4 to 6 carbon atoms; ketones having 3 carbon atoms; chlorinated alkanes containing 1, 3 or 4 carbon atoms; chlorinated alkenes containing 2 carbon atoms, alcohols containing 1 to 4 carbon atoms, partially fluorinated alcohols containing 2 to 3 carbon atoms, 1-bromopropane, acetonitrile, HCFC 225ca (1,1,-dichloro-2,2,3,3,3 pentafluoropropane and HCFC-225cb (1,3-dichloro-1,1,2,2,3-pentafluoropropane).Type: GrantFiled: February 14, 2001Date of Patent: August 21, 2001Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Dean S. Milbrath, John G. Owens, Daniel R. Vitcak, Hideto Yanome
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Patent number: 6274543Abstract: The invention provides a non-flammable cleaning composition comprising (a) a major amount of one or more highly fluorinated compounds having a boiling point less than about 100° C.; (b) a minor amount of one or more fluorinated compounds containing at least one aromatic moiety and having a boiling point between about 100° C.and about 140° C.; and (c) a minor amount of trans-1,2-dichloroethylene.Type: GrantFiled: April 27, 1999Date of Patent: August 14, 2001Assignee: 3M Innovative Properties CompanyInventors: Dean S. Milbrath, Ann T. Anich, John G. Owens