Patents by Inventor Rodney M. Harris

Rodney M. Harris 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: 6235846
    Abstract: Coating compositions which comprise: (i) a hydroxy-functional compound containing in the molecule an average of at least two hydroxyl groups; (ii) an anhydride-functional compound containing in the molecule an average of at least two cyclic carboxylic acid anhydride groups; and (iii) an epoxy-functional compound containing in the molecule an average of at least two cycloaliphatic epoxy groups, provide low temperature cure response and excellent durability.
    Type: Grant
    Filed: July 9, 1993
    Date of Patent: May 22, 2001
    Assignee: The Sherwin-Williams Company
    Inventors: Mohamad D. Shalati, James A. Marquart, John R. Babjak, Rodney M. Harris
  • Patent number: 6121882
    Abstract: A process for indicating the likelihood of cook-off for energetic materials by calculating the heat flux and chemical venting relative to known crial parameters for the energetic materials. The process further may include an alarm.
    Type: Grant
    Filed: January 4, 1999
    Date of Patent: September 19, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Warren K. Jaul, Gerhard W. Thielman, Michael C. Vogt, Rodney M. Harris, Jack M. Pakulak
  • 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: 5633091
    Abstract: An anhydride-functional polymer obtained by reacting under graft copolymerization reaction conditions,(A) an unsaturated polymer which was obtained by reacting under ene reaction conditions a mixture of reactants comprising:(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; and(B) at least one ethylenically unsaturated monomer which is copolymerizable with the unsaturated polymer.
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: May 27, 1997
    Assignee: The Sherwin-Williams Company
    Inventors: Rodney M. Harris, Mohamad D. Shalati, Joyce A. Bibeau
  • Patent number: 5633327
    Abstract: An unsaturated acid-functional monomer having the structure: ##STR1## wherein R.sup.1 is hydrogen or methyl and Z is nothing or is a divalent radical of 1 to about 20 carbons.
    Type: Grant
    Filed: April 22, 1996
    Date of Patent: May 27, 1997
    Assignee: The Sherwin-Williams Company
    Inventor: Rodney M. Harris
  • 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: 5580926
    Abstract: Curable compositions which comprise:(i) an acid-functional compound having an average of at least two carboxylic acid groups per molecule; and(ii) an anhydride-functional compound having an average of at least two cyclic carboxylic acid anhydride groups per molecule; and(iii) an epoxy-functional compound having an average of at least one epoxy group per molecule; and(iv) a hydroxy-functional compound having an average of at least two hydroxyl groups per molecule;wherein at least one of the compounds (i), (ii), (iii) or (iv) comprises a film forming polymer.
    Type: Grant
    Filed: August 26, 1991
    Date of Patent: December 3, 1996
    Assignee: The Sherwin-Williams Company
    Inventors: Mohamad D. Shalati, James A. Marquart, Sandra H. Angelo, Rodney M. Harris
  • Patent number: 5554682
    Abstract: A hydroxy-functional polymeric dispersant which is substantially free of acid groups, amine groups, and ethylenic unsaturation, the dispersant being especially adapted for dispersing pigments therein and being compatible with a variety of film-forming polymers, said dispersant being the free radical addition polymerization reaction product of a mixture of monomers consisting essentially of:(a) 15-30% by weight styrene; and(b) 15-30% by weight of at least one alkyl methacrylate monomer having 1 to 16 carbon atoms in the alkyl group; and(c) 20-60% by weight of at least one alkyl acrylate monomer having 1 to 16 carbon atoms in the alkyl group; and(d) 7-25% by weight of at least one hydroxy-functional ethylenically unsaturated monomer copolymerizable with monomers (a) (b) and (c);wherein said polymeric dispersant has a weight average molecular weight of 18,000 to 24,000, a number average molecular weight of 4,500 to 7,400, and a polydispersity of 2.9 to 4.2.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: September 10, 1996
    Assignee: The Sherwin-Williams Company
    Inventors: Rodney M. Harris, Maqsood S. Ahmed, Thomas A. Renner
  • 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: 5550195
    Abstract: An anhydride-functional polymer obtained by reacting under graft copolymerization reaction conditions,(A) an unsaturated polymer which was obtained by reacting under ene reaction conditions a mixture of reactants comprising:(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; and(B) at least one ethylenically unsaturated monomer which is copolymerizable with the unsaturated polymer.
    Type: Grant
    Filed: January 5, 1996
    Date of Patent: August 27, 1996
    Assignee: The Sherwin-Williams Company
    Inventors: Rodney M. Harris, Mohamad D. Shalati, Joyce A. Bibeau
  • Patent number: 5516846
    Abstract: Coating compositions which comprise:(i) an acid-functional compound having an average of at least two carboxylic acid groups per molecule; and(ii) an anhydride-functional compound having an average of at least two cyclic carboxylic acid anhydride groups per molecule; and(iii) an epoxy-functional compound having an average of at least one epoxy group per molecule; wherein at least one of the compounds (i), (ii), or (iii) comprises a film forming polymer.
    Type: Grant
    Filed: August 25, 1995
    Date of Patent: May 14, 1996
    Assignee: The Sherwin-Williams Company
    Inventors: Mohamad D. Shalati, James A. Marquart, John L. Petty, Rodney M. Harris
  • Patent number: 5510440
    Abstract: An unsaturated acid-functional monomer having the structure: ##STR1## wherein R.sup.1 is hydrogen or methyl and Z is nothing or is a divalent radical of 1 to about 20 carbons.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: April 23, 1996
    Assignee: The Sherwin-Williams Company
    Inventor: Rodney M. Harris
  • 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: 5444122
    Abstract: An unsaturated acid-functional monomer having the structure: ##STR1## wherein R.sup.1 is hydrogen or methyl and Z is a direct bond or is a divalent radical having 1 to about 20 carbon atoms.
    Type: Grant
    Filed: February 17, 1995
    Date of Patent: August 22, 1995
    Assignee: The Sherwin-Williams Company
    Inventor: Rodney M. Harris
  • Patent number: 5430089
    Abstract: A hydroxy functional polymeric dispersant which is substantially free of acid groups, amine groups, and ethylenic unsaturation, the dispersant being especially adapted for dispersing pigments therein and being compatible with a variety of film-forming polymers, said dispersant being the free radical addition polymerization reaction product of a mixture of monomers consisting essentially of:(a) 15-30% by weight styrene; and(b) 15-30% by weight of at least one alkyl methacrylate monomer having 1 to 16 carbon atoms in the alkyl group; and(c) 20-60% by weight of at least one alkyl acrylate monomer having 1 to 16 carbon atoms in the alkyl group; and(d) 7-25% by weight of at least one hydroxy-functional ethylenically unsaturated monomer copolymerizable with monomers (a) (b) and (c);wherein said polymeric dispersant has a weight average molecular weight of 18,000 to 24,000, a number average molecular weight of 4,500 to 7,400, and a polydispersity of 2.9 to 4.2.
    Type: Grant
    Filed: October 26, 1994
    Date of Patent: July 4, 1995
    Assignee: The Sherwin-Williams Company
    Inventors: Rodney M. Harris, Maqsood S. Ahmed, Thomas A. Renner
  • 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
  • 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: 5418305
    Abstract: An unsaturated ester monomer having the structure: ##STR1## wherein R.sup.1 is hydrogen or methyl; R.sup.2, R.sup.3 and R.sup.4 are each independently lower alkyl of 1 to about 4 carbons; and Z is nothing or is a divalent radical having 1 to about 20 carbons.
    Type: Grant
    Filed: September 16, 1994
    Date of Patent: May 23, 1995
    Assignee: The Sherwin-Williams Company
    Inventor: Rodney M. Harris
  • Patent number: 5414095
    Abstract: An anhydride-functional primary alkyl halide having the structure: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.2 are each individually hydrogen or methyl, and the total number of carbon atoms in R.sup.1 and R.sup.2 and R.sup.3 combined is two or less. The compounds are useful in the synthesis of polymers, etc.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: May 9, 1995
    Assignee: The Sherwin-Williams Company
    Inventor: Rodney M. Harris
  • Patent number: 5411809
    Abstract: Coating compositions which comprise:(i) an acid-functional compound having an average of at least two carboxylic acid groups per molecule; and(ii) an anhydride-functional compound having an average of at least two cyclic carboxylic acid anhydride groups per molecule; and(iii) an epoxy-functional compound having an average of at least one epoxy group per molecule; wherein at least one of the compounds (i), (ii), or (iii) comprises a film forming polymer.
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: May 2, 1995
    Assignee: The Sherwin-Williams Company
    Inventors: Mohamad D. Shalati, James A. Marquart, John L. Petty, Rodney M. Harris