Abstract: The present invention provides a process for eliminating contaminants from epihalohydrin-derived epoxy resins. Another embodiment of the present invention is an epoxy product formed using said process. Yet another embodiment of the present invention is an epoxy derived in part from epihalohydrin wherein said epoxy is has a hydrolyzable halogen content of less than 10 ppm and an epoxide equivalent weight within 2 percent of the theoretical epoxide equivalent weight.
Abstract: An apparatus suitable for low temperature processing and high temperature sterilization comprising a halogenated heat-transfer fluid. The apparatus comprises an expansion device which may optionally comprise a membrane. Another embodiment of the present invention is a method therefor.
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.
Abstract: The invention relates to a dilutable, non-aqueous concentrate and an aqueous dilution used for aqueous delivery of fluorinated silanes to a substrate, a method of treating a substrate with the aqueous dilution composition to render it oil and water repellent, and articles having coatings made from the aqueous dilution.
Type:
Grant
Filed:
November 15, 2001
Date of Patent:
July 15, 2003
Assignee:
3M Innovative Properties Company
Inventors:
Michael S. Terrazas, Mark J. Pellerite, Rudolf J. Dams
Abstract: The present invention provides a catalytic process for preparing perfluoroethanesulfonyl fluoride and/or perfluorodiethylsulfone using a two-part catalytic process comprising a metal fluoride and a crown ether.
Type:
Grant
Filed:
May 2, 2002
Date of Patent:
June 17, 2003
Assignee:
3M Innovative Properties Company
Inventors:
William M. Lamanna, Michael D. Barrera, Gerald L. Bauer, Yuri Cheburkov
Abstract: The present invention provides for the use of bis(perfluoroalkanesulfonyl)imide and its salts as surfactants or additives applications having an extreme environment.
Type:
Grant
Filed:
May 10, 2001
Date of Patent:
April 29, 2003
Assignee:
3M Innovative Properties Company
Inventors:
William M. Lamanna, Patricia M. Savu, Michael J. Parent, Lawrence A. Zazzera
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.
Abstract: A polymerizable composition that includes a monomer of the formula
wherein X is hydrogen or one or more of methyl, chlorine, bromine or iodine, R1 is a straight or branched alkyl linking group of 2 to 12 carbon atoms, R2 is hydrogen or methyl, and n is 1 to 3; and a monomer of the formula
wherein X1 and X2 are each independently hydrogen or one or more of methyl, chlorine, bromine or iodine, and R2 is hydrogen or methyl is described having a high index of refraction and being suitable for use in forming an optical product.
Type:
Grant
Filed:
December 21, 2000
Date of Patent:
April 1, 2003
Assignee:
3M Innovative Properties Company
Inventors:
David B. Olson, Richard J. Pokorny, Bettie C. Fong
Abstract: Described are compositions and methods useful for preparing foam compositions. The compositions and method relate to the production of a foam from a composition containing non-hydrated thickener.
Type:
Grant
Filed:
May 15, 2001
Date of Patent:
March 4, 2003
Assignee:
3M Innovative Properties Company
Inventors:
Richard M. Stern, Pavel L. Blagev, Joan E. Manzara
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 12, 2002
Date of Patent:
January 21, 2003
Assignee:
3M Innovative Properties Company
Inventors:
Richard M. Flynn, George G. I. Moore, John G. Owens
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 20, 2001
Date of Patent:
January 14, 2003
Assignee:
3M Innovative Properties Company
Inventors:
Richard M. Flynn, Mark W. Grenfell, George G. I. Moore, John G. Owens
Abstract: A sporting goods article with a coating on a surface of the article for abrasion resistance and/or a high gloss appearance. The outer layer of the surface is a polymer, wood, metal, non-polymeric ink, non-polymeric colorant, non-polymeric dye, or a combination thereof The coating is a cured ceramer composition. The cured ceramer composition, in its simplest embodiment, is derived from a composition including inorganic oxide particles and a curable organic matrix, with the curable organic matrix including at least one ethylenically unsaturated monomer and at least one organofunctional silane monomer coupling agent.
Type:
Grant
Filed:
December 13, 2000
Date of Patent:
October 1, 2002
Assignee:
3M Innovative Properties Company
Inventors:
Soonkun Kang, Forrest J. Rouser, Susan K. Rowen, Steven J. Martin, Michael S. Terrazas, Scott G. Norquist, James L. Sadlo
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.
Abstract: Described is a process for the electrochemical fluorination of a substrate, the process comprising the steps of: providing a substrate comprising at least one carbon-bonded hydrogen; preparing a reaction solution comprising the substrate and hydrogen fluoride; passing electric current through the reaction solution sufficient to cause replacement of one or more hydrogens of the substrate with fluorine, the electric current being interrupted through a current cycle defined by current levels comprising an elevated current and a reduced current; wherein the current varies in such a manner that the resistance of the cell operated with interrupted current is lower than the resistance of the cell operated with non-interrupted current.
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:
May 29, 2001
Date of Patent:
April 30, 2002
Assignee:
3M Innovative Properties Company
Inventors:
Richard M. Flynn, George G. I. Moore, John G. Owens
Abstract: The present invention provides an apparatus comprising a device and a means for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is 3-ethoxy-perfluoro(2-methylhexane). Another embodiment of the present invention is a method therefor.
Abstract: Naphthyloxyalkyl(meth)acrylate monomers having a high refractive index and whose respective homopolymer has a low glass transition temperature.