Patents Represented by Attorney, Agent or Law Firm Robert E. McDonald
  • 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: 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: 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: 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: 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: 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: 5432221
    Abstract: A hydroxy-functional acrylic polymer useful in multicomponent curable compositions wherein the curable composition contains castor oil and at least one polyisocyanate in addition to the hydroxy-functional acrylic polymer. The hydroxy-functional acrylic polymer comprises vinyl toluene, a monomer selected from lauryl methacrylate and stearyl methacrylate, and a hydroxy-functional monomer selected from hydroxypropyl methacrylate and hydroxypropyl acrylate, and is compatible with castor oil.
    Type: Grant
    Filed: June 17, 1993
    Date of Patent: July 11, 1995
    Assignee: The Sherwin-Williams Company
    Inventors: John R. Polaski, Julie E. Slawikowski
  • 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: 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: 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
  • 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
  • Patent number: 5410078
    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: January 3, 1994
    Date of Patent: April 25, 1995
    Assignee: The Sherwin-Williams Company
    Inventor: Rodney M. Harris
  • Patent number: 5405973
    Abstract: Anhydride-functional polymerizable monomers having the structure: ##STR1## and polymers and reactive compositions prepared from these monomers are disclosed. The reactive compositions are especially useful in primer, topcoat, and in clearcoat/basecoat applications.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: April 11, 1995
    Assignee: The Sherwin-Williams Company
    Inventors: Rodney M. Harris, John R. Babjak, Thomas W. Yokoyama, Mohamed D. Shalati
  • Patent number: 5399611
    Abstract: This invention relates to novel hydroxy-functional polyester diluents, and more particularly, to acrylic-modified hydroxy-functional polyester reactive diluents useful for blending with a variety of thermosetting or thermoplastic film-forming polymers. More specifically, the hydroxy-functional polyester reactive diluents are essentially low molecular weight polyesters derived from triols, and a combination of unsaturated monocarboxylic acids and saturated monocarboxylic acids. These hydroxy-functional polyester diluents may be copolymerized with one or more acrylic monomers, i.e. hydroxy-functional acrylic monomers, and blended with a variety of thermosetting or thermoplastic film-forming polymers. These blends of the film-forming polymers and the hydroxy-functional polyester diluents can be crosslinked with conventional crosslinking agents such as isocyanates and used in the formulation of low VOC paint compositions particularly useful as automotive topcoats.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: March 21, 1995
    Assignee: The Sherwin-Williams Company
    Inventor: John Mathai
  • Patent number: 5391818
    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 radial having 1 to about 20 carbon atoms.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: February 21, 1995
    Assignee: The Sherwin-Williams Company
    Inventor: Rodney M. Harris