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).

  • Patent number: 6780220
    Abstract: 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: Grant
    Filed: March 22, 2003
    Date of Patent: August 24, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Dean S. Milbrath, John G. Owens
  • Patent number: 6759374
    Abstract: 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: Grant
    Filed: September 19, 2001
    Date of Patent: July 6, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Dean S. Milbrath, Mark W. Grenfell
  • Patent number: 6734154
    Abstract: 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: Grant
    Filed: December 18, 2001
    Date of Patent: May 11, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Richard M. Flynn, Mark W. Grenfell, George G. I. Moore, John G. Owens, Dean S. Milbrath
  • Patent number: 6685764
    Abstract: 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: Grant
    Filed: March 22, 2003
    Date of Patent: February 3, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Dean S. Milbrath, John G. Owens
  • Publication number: 20030164069
    Abstract: 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: Application
    Filed: March 22, 2003
    Publication date: September 4, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Dean S. Milbrath, John G. Owens
  • Publication number: 20030164068
    Abstract: 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: Application
    Filed: March 22, 2003
    Publication date: September 4, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Dean S. Milbrath, John G. Owens
  • Publication number: 20030134757
    Abstract: 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: Application
    Filed: September 19, 2001
    Publication date: July 17, 2003
    Inventors: Dean S. Milbrath, Mark W. Grenfell
  • Patent number: 6537346
    Abstract: 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: Grant
    Filed: February 9, 2001
    Date of Patent: March 25, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Dean S. Milbrath, John G. Owens
  • Publication number: 20030034094
    Abstract: 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: Application
    Filed: February 9, 2001
    Publication date: February 20, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Dean S. Milbrath, John G. Owens
  • Publication number: 20020124326
    Abstract: 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: Application
    Filed: December 18, 2001
    Publication date: September 12, 2002
    Applicant: 3M Innovative Properties Company
    Inventors: Richard M. Flynn, Mark W. Grenfell, George G. I. Moore, John G. Owens, Dean S. Milbrath
  • Patent number: 6426327
    Abstract: 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: Grant
    Filed: February 14, 2001
    Date of Patent: July 30, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Richard M. Flynn, Dean S. Milbrath, John G. Owens, Daniel R. Vitcak, Hideto Yanome
  • Patent number: 6423673
    Abstract: 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: Grant
    Filed: September 19, 2001
    Date of Patent: July 23, 2002
    Assignee: 3M Innovation Properties Company
    Inventors: John G. Owens, Dean S. Milbrath
  • Patent number: 6376452
    Abstract: 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: Grant
    Filed: March 31, 1999
    Date of Patent: April 23, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Richard M. Flynn, Mark W. Grenfell, George G. I. Moore, John G. Owens, Dean S. Milbrath
  • Patent number: 6313083
    Abstract: 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: Grant
    Filed: February 14, 2001
    Date of Patent: November 6, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Richard M. Flynn, Dean S. Milbrath, John G. Owens, Daniel R. Vitcak, Hideto Yanome
  • Patent number: 6294508
    Abstract: 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: Grant
    Filed: May 2, 2000
    Date of Patent: September 25, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Dean S. Milbrath, Mark W. Grenfell
  • Patent number: 6288018
    Abstract: 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: Grant
    Filed: February 14, 2001
    Date of Patent: September 11, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Richard M. Flynn, Dean S. Milbrath, John G. Owens, Daniel R. Vitcak, Hideto Yanome
  • Patent number: 6288017
    Abstract: 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: Grant
    Filed: October 28, 1999
    Date of Patent: September 11, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Richard M. Flynn, Dean S. Milbrath, John G. Owens, Daniel R. Vitcak, Hideto Yanome
  • Publication number: 20010018408
    Abstract: 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: Application
    Filed: February 14, 2001
    Publication date: August 30, 2001
    Applicant: 3M Innovative Properties Company
    Inventors: Richard M. Flynn, Dean S. Milbrath, John G. Owens, Daniel R. Vitcak, Hideto Yanome
  • Patent number: 6277807
    Abstract: 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: Grant
    Filed: February 14, 2001
    Date of Patent: August 21, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Richard M. Flynn, Dean S. Milbrath, John G. Owens, Daniel R. Vitcak, Hideto Yanome
  • Patent number: 6274543
    Abstract: 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: Grant
    Filed: April 27, 1999
    Date of Patent: August 14, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Dean S. Milbrath, Ann T. Anich, John G. Owens