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).
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Patent number: 6235846Abstract: 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: GrantFiled: July 9, 1993Date of Patent: May 22, 2001Assignee: The Sherwin-Williams CompanyInventors: Mohamad D. Shalati, James A. Marquart, John R. Babjak, Rodney M. Harris
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Patent number: 6121882Abstract: 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: GrantFiled: January 4, 1999Date of Patent: September 19, 2000Assignee: The United States of America as represented by the Secretary of the NavyInventors: Warren K. Jaul, Gerhard W. Thielman, Michael C. Vogt, Rodney M. Harris, Jack M. Pakulak
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Patent number: 5679742Abstract: 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: GrantFiled: August 26, 1996Date of Patent: October 21, 1997Assignee: The Sherwin-Williams CompanyInventors: Richard S. Valpey, III, Mohamad D. Shalati, Rodney M. Harris, Thomas W. Yokoyama
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Patent number: 5633091Abstract: 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: GrantFiled: August 26, 1996Date of Patent: May 27, 1997Assignee: The Sherwin-Williams CompanyInventors: Rodney M. Harris, Mohamad D. Shalati, Joyce A. Bibeau
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Patent number: 5633327Abstract: 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: GrantFiled: April 22, 1996Date of Patent: May 27, 1997Assignee: The Sherwin-Williams CompanyInventor: Rodney M. Harris
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Patent number: 5591805Abstract: 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: GrantFiled: February 15, 1996Date of Patent: January 7, 1997Assignee: The Sherwin-Williams CompanyInventors: Mohamad D. Shalati, Rodney M. Harris, Joyce A. Bibeau, Richard S. Valpey, III
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Patent number: 5580926Abstract: 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: GrantFiled: August 26, 1991Date of Patent: December 3, 1996Assignee: The Sherwin-Williams CompanyInventors: Mohamad D. Shalati, James A. Marquart, Sandra H. Angelo, Rodney M. Harris
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Patent number: 5554682Abstract: 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: GrantFiled: May 31, 1995Date of Patent: September 10, 1996Assignee: The Sherwin-Williams CompanyInventors: Rodney M. Harris, Maqsood S. Ahmed, Thomas A. Renner
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Patent number: 5550197Abstract: 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: GrantFiled: October 20, 1995Date of Patent: August 27, 1996Assignee: The Sherwin-Williams CompanyInventors: Richard S. Valpey, III, Mohamad D. Shalati, Rodney M. Harris, Thomas W. Yokoyama
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Patent number: 5550195Abstract: 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: GrantFiled: January 5, 1996Date of Patent: August 27, 1996Assignee: The Sherwin-Williams CompanyInventors: Rodney M. Harris, Mohamad D. Shalati, Joyce A. Bibeau
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Patent number: 5516846Abstract: 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: GrantFiled: August 25, 1995Date of Patent: May 14, 1996Assignee: The Sherwin-Williams CompanyInventors: Mohamad D. Shalati, James A. Marquart, John L. Petty, Rodney M. Harris
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Patent number: 5510440Abstract: 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: GrantFiled: April 18, 1995Date of Patent: April 23, 1996Assignee: The Sherwin-Williams CompanyInventor: Rodney M. Harris
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Patent number: 5492976Abstract: 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: GrantFiled: January 3, 1994Date of Patent: February 20, 1996Assignee: The Sherwin-Williams CompanyInventors: Mohamad D. Shalati, Rodney M. Harris, Joyce A. Bibeau, Richard S. Valpey, III
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Patent number: 5444122Abstract: 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: GrantFiled: February 17, 1995Date of Patent: August 22, 1995Assignee: The Sherwin-Williams CompanyInventor: Rodney M. Harris
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Patent number: 5430089Abstract: 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: GrantFiled: October 26, 1994Date of Patent: July 4, 1995Assignee: The Sherwin-Williams CompanyInventors: Rodney M. Harris, Maqsood S. Ahmed, Thomas A. Renner
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Patent number: 5418306Abstract: 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: GrantFiled: January 3, 1994Date of Patent: May 23, 1995Assignee: The Sherwin-Williams CompanyInventors: Mohamad D. Shalati, Rodney M. Harris, Richard S. Valpey, III
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Patent number: 5418307Abstract: 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: GrantFiled: January 3, 1994Date of Patent: May 23, 1995Assignee: The Sherwin-Williams CompanyInventors: Richard S. Valpey, III, Mohamad D. Shalati, Rodney M. Harris
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Patent number: 5418305Abstract: 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: GrantFiled: September 16, 1994Date of Patent: May 23, 1995Assignee: The Sherwin-Williams CompanyInventor: Rodney M. Harris
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Patent number: 5414095Abstract: 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: GrantFiled: January 3, 1994Date of Patent: May 9, 1995Assignee: The Sherwin-Williams CompanyInventor: Rodney M. Harris
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Patent number: 5411809Abstract: 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: GrantFiled: March 15, 1993Date of Patent: May 2, 1995Assignee: The Sherwin-Williams CompanyInventors: Mohamad D. Shalati, James A. Marquart, John L. Petty, Rodney M. Harris