Patents by Inventor Richard S. Valpey

Richard S. Valpey 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: 6344502
    Abstract: A non-aqueous dispersion of a polymer in a non-polar hydrocarbon. The polymer is produced by a free-radical addition polymerization reaction of a group of monomers including at least one polar monomer and at least one amine-functional monomer which takes place in the presence of an alkyd resin.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: February 5, 2002
    Assignee: The Sherwin-Williams Company
    Inventors: John R. Babjak, Liza A. Capino, John D. Kraan, Mohamad D. Shalati, Susan L. Smith, Demetri L. Vallion, Richard S. Valpey, III, Thomas W. Yokoyama
  • Patent number: 5741880
    Abstract: A hydroxy-functional polymer having a number average molecular weight, as determined by gel permeation chromatography, of from about 1800 to about 2700 and which consists essentially of polymerized monomers of 10-40% by weight, based on the total weight of the polymer, styrene; 20-55% by weight isobornyl methacrylate; and 20-55% by weight hydroxypropyl methacrylate; where the total of the monomers equals 100% are disclosed. The polymers are especially useful in combination with polyisocyanates as clearcoats in clearcoat/basecoat coating applications.
    Type: Grant
    Filed: April 28, 1997
    Date of Patent: April 21, 1998
    Assignee: The Sherwin-Williams Company
    Inventors: Richard S. Valpey, III, Eugene I. Bzowej
  • Patent number: 5679742
    Abstract: An anhydride-functional polymer is obtained by at least partially hydrogenating an unsaturated polymer which was obtained by reacting under ene reaction conditions:(i) an unsaturated anhydride having the structure: ##STR1## wherein R.sub.1 and R.sub.2 are each independently hydrogen, alkyl of 1 to about 6 carbons, or alkoxy of 1 to about 6 carbons, or a halogen; and(ii) at least one polyolefin having at least two carbon--carbon double bonds in the polyolefin backbone and having an average of at least three carbon atoms in the polyolefin backbone between the carbon--carbon double bonds.
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: October 21, 1997
    Assignee: The Sherwin-Williams Company
    Inventors: Richard S. Valpey, III, Mohamad D. Shalati, Rodney M. Harris, Thomas W. Yokoyama
  • Patent number: 5591805
    Abstract: An anhydride-functional polymer is obtained by reacting under ene reaction conditions:(i) an unsaturated anhydride having the structure: ##STR1## wherein R.sub.1 and R.sub.2 are each independently hydrogen, alkyl of 1 to about 6 carbons, or alkoxy of 1 to about 6 carbons, or a halogen; and(ii) at least one polyolefin having at least two carbon-carbon double bonds in the polyolefin backbone and having an average of at least three carbon atoms in the polyolefin backbone between the carbon-carbon double bonds.
    Type: Grant
    Filed: February 15, 1996
    Date of Patent: January 7, 1997
    Assignee: The Sherwin-Williams Company
    Inventors: Mohamad D. Shalati, Rodney M. Harris, Joyce A. Bibeau, Richard S. Valpey, III
  • Patent number: 5589560
    Abstract: A curable composition which comprises:(a) an anhydride-functional polymer obtained by polymerizing under free radical addition polymerization conditions, a monomer mixture comprising:(i) 20 to 75 weight percent of an alkenyl succinic anhydride having the structure: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each independently hydrogen or alkyl or substituted alkyl of 1 to about 30 carbons; and(ii) 25 to 80 weight percent of at least one (meth)acrylic monomer copolymerizable with the alkenyl succinic anhydride; and, optionally,(iii) 0 to 75 weight percent of at least one unsaturated monomer, other than a (meth)acrylic monomer, which is copolymerizable with the anhydride and the (meth)acrylic monomer; and(b) a compound having an average of at least two functional groups per molecule which are reactive with anhydride groups.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: December 31, 1996
    Assignee: The Sherwin-Williams Company
    Inventors: Richard S. Valpey, III, Thomas W. Yokoyama, John D. Kraan, H. James Harwood
  • Patent number: 5550197
    Abstract: An anhydride-functional polymer is obtained by at least partially hydrogenating an unsaturated polymer which was obtained by reacting under ene reaction conditions:(i) an unsaturated anhydride having the structure: ##STR1## wherein R.sub.1 and R.sub.2 are each independently hydrogen, alkyl of 1 to about 6 carbons, or alkoxy of 1 to about 6 carbons, or a halogen; and(ii) at least one polyolefin having at least two carbon-carbon double bonds in the polyolefin backbone and having an average of at least three carbon atoms in the polyolefin backbone between the carbon-carbon double bonds.
    Type: Grant
    Filed: October 20, 1995
    Date of Patent: August 27, 1996
    Assignee: The Sherwin-Williams Company
    Inventors: Richard S. Valpey, III, Mohamad D. Shalati, Rodney M. Harris, Thomas W. Yokoyama
  • Patent number: 5516820
    Abstract: Novel, non-aqueous dispersions and coatings made therefrom particularly suited for use as automotive primers, sealers, topcoats and as industrial coatings.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 14, 1996
    Inventors: John R. Babjak, Liza A. Capino, John D. Kraan, Mohamad D. Shalati, Susan L. Smith, Demetri L. Vallion, Richard S. Valpey, Thomas W. Yokoyama
  • Patent number: 5492976
    Abstract: An anhydride-functional polymer is obtained by reacting under ene reaction conditions:(i) an unsaturated anhydride having the structure: ##STR1## wherein R.sub.1 and R.sub.2 are each independently hydrogen, alkyl of 1 to about 6 carbons, or alkoxy of 1 to about 6 carbons, or a halogen; and(ii) at least one polyolefin having at least two carbon-carbon double bonds in the polyolefin backbone and having an average of at least three carbon atoms in the polyolefin backbone between the carbon-carbon double bonds.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: February 20, 1996
    Assignee: The Sherwin-Williams Company
    Inventors: Mohamad D. Shalati, Rodney M. Harris, Joyce A. Bibeau, Richard S. Valpey, III
  • Patent number: 5480951
    Abstract: A curable composition which comprises:(a) an anhydride-functional polymer obtained by polymerizing under free radical addition polymerization conditions, a monomer mixture comprising:(i) 20 to 75 weight percent of an alkenyl succinic anhydride having the structure: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each independently hydrogen or alkyl or substituted alkyl of 1 to about 30 carbons; and(ii) 25 to 80 weight percent of at least one (meth)acrylic monomer copolymerizable with the alkenyl succinic anhydride; and, optionally,(iii) 0 to 75 weight percent of at least one unsaturated monomer, other than a (meth)acrylic-monomer, which is copolymerizable with the anhydride and the (meth)acrylic monomer; and(b) a compound having an average of at least two functional groups per molecule which are reactive with anhydride groups.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: January 2, 1996
    Assignee: The Sherwin-Williams Company
    Inventors: Richard S. Valpey, III, Thomas W. Yokoyama, John D. Kraan, H. James Harwood
  • Patent number: 5444139
    Abstract: An anhydride-functional polymer obtained by polymerizing under free radical addition polymerization reaction conditions, of a monomer mixture comprising:(i) 20 to 75 weight percent of an alkenyl succinic anhydride having the structure: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each independently hydrogen or alkyl or substituted alkyl of 1 to about 30 carbons; and(ii) 25 to 80 weight percent of at least one (meth)acrylic monomer copolymerizable with the alkenyl succinic anhydride; and, optionally,(iii) 0 to 75 weight percent of at least one unsaturated monomer, other than a (meth)acrylic monomer, which is copolymerizable with the anhydride and the (meth)acrylic monomer; and wherein at least part of the monomer mixture comprises acrylic monomers or monomers having allylic hydrogens.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: August 22, 1995
    Assignee: The Sherwin-Williams Company
    Inventors: Richard S. Valpey, III, John D. Kraan, H. James Harwood
  • Patent number: 5418307
    Abstract: An acid-functional polymer is obtained by the hydrolysis or half-ester ring opening reaction of an anhydride-functional polymer obtained by at least partially hydrogenating an unsaturated polymer which was obtained by reacting under ene reaction conditions:(i) an unsaturated anhydride having the structure: ##STR1## wherein R.sub.1 and R.sub.2 are each independently hydrogen, alkyl of 1 to about 6 carbons, or alkoxy of 1 to about 6 carbons, or a halogen; and(ii) at least one polyolefin having at least two carbon-carbon double bonds in the polyolefin backbone and having an average of at least three carbon atoms in the polyolefin backbone between the carbon-carbon double bonds.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: May 23, 1995
    Assignee: The Sherwin-Williams Company
    Inventors: Richard S. Valpey, III, Mohamad D. Shalati, Rodney M. Harris
  • Patent number: 5418306
    Abstract: An acid-functional polymer is obtained by the hydrolysis or half-ester ring opening reaction of an anhydride-functional polymer obtained by reacting under ene reaction conditions:(i) an unsaturated anhydride having the structure: ##STR1## wherein R.sub.1 and R.sub.2 are each independently hydrogen, alkyl of 1 to about 6 carbons, or alkoxy of 1 to about 6 carbons, or a halogen; and(ii) at least one polyolefin having at least two carbon-carbon double bonds in the polyolefin backbone and having an average of at least three carbon atoms in the polyolefin backbone between the carbon-carbon double bonds.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: May 23, 1995
    Assignee: The Sherwin-Williams Company
    Inventors: Mohamad D. Shalati, Rodney M. Harris, Richard S. Valpey, III