Patents by Inventor Richard S. Buckanin

Richard S. Buckanin 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: 6923921
    Abstract: Described are fluorinated polyether compounds having a molecular weight range between 750 g/mol and 4000 g/mol where such polyether compounds are intermediates used in fluorinated compositions for treating various substrates.
    Type: Grant
    Filed: December 30, 2002
    Date of Patent: August 2, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Richard M. Flynn, Daniel R. Vitcak, Richard S. Buckanin, Cheryl L. S. Elsbernd
  • Patent number: 6890360
    Abstract: Fluorochemical urethane compositions comprising one or more fluorochemical urethane compounds, and one or more auxiliary compounds for treatment of a fibrous substrate are described. The fluorochemical compositions are capable of improving one or more of the oil- and/or water repellency, stain- and/or soil repellency and stain and/or soil release properties, with improved durability, of the fibrous substrate treated with the fluorochemical composition.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: May 10, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Linda G. Coté , Mitchell T. Johnson, Larry A. Lien, Richard S. Buckanin
  • Patent number: 6833418
    Abstract: The present invention provides a method of preparing an aqueous dispersion of poly(perfluorovinyl ether)homopolymers. The present invention further relates to a method of making an aqueous fluoropolymer dispersion comprising bicomponent particles of poly(perfluorovinyl ether)homopolymers and a second fluoropolymer. The dispersions of the present invention may be used for rendering fibrous substrates oil repellent, water repellent and/or stain repellent.
    Type: Grant
    Filed: April 5, 2002
    Date of Patent: December 21, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Lian S. Tan, Richard S. Buckanin, E. Steven McAlister
  • Patent number: 6822059
    Abstract: The present invention provides a method of preparing an aqueous dispersion of poly(perfluorovinyl ether) homopolymers. The present invention further relates to a method of making an aqueous fluoropolymer dispersion comprising bicomponent particles of poly(perfluorovinyl ether) homopolymers and a second fluoropolymer. The dispersions of the present invention may be used for rendering fibrous substrates oil repellent, water repellent and/or stain repellent without altering the looks and feel of the substrate.
    Type: Grant
    Filed: April 5, 2002
    Date of Patent: November 23, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Richard S. Buckanin, Lian S. Tan, E. Steven McAlister
  • Publication number: 20040124396
    Abstract: Described are fluorinated polyether compounds having a molecular weight range between 750 g/mol and 4000 g/mol where such polyether compounds are intermediates used in fluorinated compositions for treating various substrates.
    Type: Application
    Filed: December 30, 2002
    Publication date: July 1, 2004
    Inventors: Richard M. Flynn, Daniel R. Vitcak, Richard S. Buckanin, Cheryl L.S. Elsbernd
  • Patent number: 6737489
    Abstract: A fluorochemical composition for rendering a fibrous substrate oil and/or water repellent which comprises a solution or dispersion of a fluoropolymer having a partially or fully fluorinated backbone and comprising one or more repeating units corresponding to the general formula: wherein Rf represents a perfluorinated organic group having a chain length of at least 2 atoms and having at least one carbon atom and optional auxiliary components.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: May 18, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Jeffrey G. Linert, E. Steven McAlister, Lian S. Tan, Richard S. Buckanin, Naiyong Jing, Frans A. Audenaert, Thomas J. Blong, John C. Clark, Linda G. Coté, Harald Kaspar, Franz März
  • Publication number: 20040077775
    Abstract: A fluorochemical composition for rendering fibrous substrates oil repellent, water repellent, and/or stain repellent and comprising a fluorinated polymer dispersed in water or dissolved or dispersed in an organic solvent, the fluorinated polymer comprising units derived from (i) a mixture of two or more fluorinated polyether monomers that differ in at least their molecular weight, the fluorinated polyether monomers having an ethylenically unsaturated group and a perfluorinated polyether group and wherein at least 90% by weight of the mixture consists of fluorinated polyether monomers that have a perfluorinated polyether group having a molecular weight of at least 750 g/mol and (ii) one or more units derived from one or more co-monomers other than a fluorinated polyether monomer and wherein the co-monomers comprise at least one non-fluorinated monomer. Also, method for treating fibrous substrate with such composition, fluorinated polyether monomers, and fluorinated polymers derived from such monomers.
    Type: Application
    Filed: May 23, 2003
    Publication date: April 22, 2004
    Inventors: Frans A. Audenaert, Rudolf J. Dams, Richard S. Buckanin
  • Publication number: 20040077238
    Abstract: Fluorochemical composition for rendering fibrous substrates oil repellent, water repellent, and/or stain or soil repellent.
    Type: Application
    Filed: May 23, 2003
    Publication date: April 22, 2004
    Inventors: Frans A. Audenaert, Rudolf J. Dams, Richard S. Buckanin, Cheryl L.S. Elsbernd, Chetan P. Jariwala, E. Steven McAlister, Pierre J. Vander Elst
  • Publication number: 20040077237
    Abstract: A fluorochemical composition for rendering a fibrous substrate oil and/or water repellent without substantially adversely affecting the look and/or feel of the fibrous substrate, comprising a fluorinated polyether compound and an extender. The fluorinated polyether compound comprises one or more perfluorinated polyether groups and the extender comprises a non-fluorinated organic compound comprising one or more blocked isocyanate groups and/or a carbodiimide compound.
    Type: Application
    Filed: May 23, 2003
    Publication date: April 22, 2004
    Inventors: Frans A. Audenaert, Rudolf J. Dams, Richard S. Buckanin, Chetan P. Jariwala, E. Steven McAlister, Pierre J. Vander Elst
  • Publication number: 20030195314
    Abstract: The present invention provides a method of preparing an aqueous dispersion of poly(perfluorovinyl ether) homopolymers. The present invention further relates to a method of making an aqueous fluoropolymer dispersion comprising bicomponent particles of poly(perfluorovinyl ether) homopolymers and a second fluoropolymer. The dispersions of the present invention may be used for rendering fibrous substrates oil repellent, water repellent and/or stain repellent without altering the looks and feel of the substrate.
    Type: Application
    Filed: April 5, 2002
    Publication date: October 16, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Richard S. Buckanin, Lian S. Tan, E. Steven McAlister
  • Publication number: 20030191258
    Abstract: The present invention provides a method of preparing an aqueous dispersion of poly(perfluorovinyl ether)homopolymers. The present invention further relates to a method of making an aqueous fluoropolymer dispersion comprising bicomponent particles of poly(perfluorovinyl ether)homopolymers and a second fluoropolymer. The dispersions of the present invention may be used for rendering fibrous substrates oil repellent, water repellent and/or stain repellent.
    Type: Application
    Filed: April 5, 2002
    Publication date: October 9, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Lian S. Tan, Richard S. Buckanin, E. Steven McAlister
  • Publication number: 20030181572
    Abstract: The use of perfluorinated polymers and/or fluorinated ionomers as surfactant emulsifiers in emulsion polymerization of fluorinated monomers.
    Type: Application
    Filed: January 24, 2003
    Publication date: September 25, 2003
    Inventors: Lian S. Tan, Richard S. Buckanin
  • Publication number: 20030149218
    Abstract: Fluorochemical urethane compositions comprising one or more fluorochemical urethane compounds, and one or more auxiliary compounds for treatment of a fibrous substrate are described. The fluorochemical compositions are capable of improving one or more of the oil- and/or water repellency, stain- and/or soil repellency and stain and/or soil release properties, with improved durability, of the fibrous substrate treated with the fluorochemical composition.
    Type: Application
    Filed: December 17, 2001
    Publication date: August 7, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Linda G. Cote', Mitchell T. Johnson, Larry A. Lien, Richard S. Buckanin
  • Publication number: 20030139521
    Abstract: A fluorochemical composition for rendering a fibrous substrate oil and/or water repellent which comprises a solution or dispersion of a fluoropolymer having a partially or fully fluorinated backbone and comprising one or more repeating units corresponding to the general formula: 1
    Type: Application
    Filed: May 21, 2001
    Publication date: July 24, 2003
    Inventors: Jeffrey G. Linert, E. Steven McAlister, Lian S. Tan, Richard S. Buckanin, Naiyong Jing, Frans A. Audenaert, Thomas J. Blong, John C. Clark, Linda G. Cote, Harald Kaspar, Franz Marz
  • Patent number: 5451622
    Abstract: Mixtures comprising thermoplastic polymer, such as polypropylene, and fluorochemical piperazine are provided. Shaped articles, such as fibers, made from these mixtures have low surface-energy surfaces which results in oil- and water-repellency and anti-soiling properties.
    Type: Grant
    Filed: September 30, 1992
    Date of Patent: September 19, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Gail S. Boardman, Richard S. Buckanin
  • Patent number: 5380778
    Abstract: Mixture of fluorochemical and thermoplastic polymer are disclosed. Such fluorochemicals are fluorochemical alcohols and fluorochemical oxazolidinone compositions. The fluorochemicals inpart oil and water repellency to the surfaces of shaped articles made from the mixtures.
    Type: Grant
    Filed: September 30, 1992
    Date of Patent: January 10, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Richard S. Buckanin
  • Patent number: 4871845
    Abstract: New catalysts useful in the curing of a water-curable isocyanate-functional prepolymer are provided. The new catalyst is a new 2,2'-dimorpholinyldialkyl ether. The use of the improved catalyst provides prepolymer/catalyst premix compositions having equivalent or increased shelf stability and which, when water-cured, yield resins having superior early strenghts. A method of curing an isocyanate-functional prepolymer and articles useful as orthopedic bandages are also provided.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: October 3, 1989
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Richard S. Buckanin
  • Patent number: 4856502
    Abstract: The present invention relates to orthopedic casting materials having reduced tack and methods for preparing and using such orthopedic casting materials, wherein the materials comprise a nonwoven, stretchable fabric which is impregnated with a curable prepolymer resin. The nonwoven fabric comprises fiber bundles and apertures between the fiber bundles, with each of the fiber bundles comprising a plurality of fibers having interstices therebetween. The curable prepolymer resin is impregnated into the nonwoven fabric such that the interstices between the fibers receive the resin, while leaving the apertures between fiber bundles substantially unoccluded. Such orthopedic casting materials are relatively inexpensive and exhibit improved properties.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: August 15, 1989
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Dean A. Ersfeld, Paul E. Hansen, Matthew T. Scholz, Dennis C. Bartizal, Katherine E. Reed, Wayne K. Larson, Timothy C. Sandvig, Richard S. Buckanin
  • Patent number: 4774937
    Abstract: A curable resin coated sheet useful as an orthopedic bandage which has reduced tack is provided. The resin coated sheet is pre-lubricated with a lubricant which is (a) bonded to the resin, (b) added to the resin or applied to the surface of the coated sheet, or (c) a combination of (a) and (b). The lubricant is present in an amount to reduce the kinetic coefficient of friction of a surface of the coated sheet to less than 1.2.
    Type: Grant
    Filed: November 6, 1986
    Date of Patent: October 4, 1988
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Matthew T. Scholz, Dennis C. Bartizal, Katherine E. Reed, Wayne E. Larson, Dean A. Ersfeld, Timothy C. Sandvig, Richard S. Buckanin
  • Patent number: 4705840
    Abstract: New catalysts useful in the curing of a water-curable isocyanate-functional prepolymer are provided. The new catalyst is a new 2,2'-dimorpholinyldialkyl ether. The use of the improved catalyst provides prepolymer/catalyst premix compositions having equivalent or increased shelf stability and which, when water-cured, yield resins having superior early strengths. A method of curing an isocyanate-functional prepolymer and articles useful as orthopedic bandages are also provided.
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: November 10, 1987
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Richard S. Buckanin