Patents by Inventor Ervin R. Werner, Jr.
Ervin R. Werner, Jr. 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: 5397646Abstract: A waterbased coating composition containing about 10-30% by weight of film forming binder dispersed in an aqueous carrier; wherein the binder contains abouta. 20-85% by weight, based on the weight of the binder, of a methylol (meth)acrylamide carboxyl containing acrylic polymer and the carboxyl groups of the polymer are reacted with ammonia or amine to provide a pH to the composition of about 7.0-10.0;b. 10-40% by weight, based on the weight of the binder, of a polyurethane which is either a polyester urethane, polyether urethane or polyacrylourethane;c. 5-40% by weight, based on the weight of the binder of a water-soluble or a water-dispersible alkylated melamine formaldehyde crosslinking agent of a polymeric partially methylated melamine formaldehyde resin having a degree of polymerization of about 1-3;the composition forms an automotive quality clear coat and/or pigmented color coat for automobiles and trucks; and the acrylic polymer can be used to form an automotive quality primer composition.Type: GrantFiled: December 29, 1993Date of Patent: March 14, 1995Assignee: E. I. Du Pont de Nemours and CompanyInventors: Stanley K. Nickle, Ervin R. Werner, Jr.
-
Patent number: 5314945Abstract: A waterbased coating composition containing about 10-30% by weight of film forming binder dispersed in an aqueous carrier; wherein the binder contains abouta. 20-85% by weight, based on the weight of the binder, of a methylol (meth)acrylamide carboxyl containing acrylic polymer and the carboxyl groups of the polymer are reacted with ammonia or amine to provide a pH to the composition of about 7.0-10.0;b. 10-40% by weight, based on the weight of the binder, of a polyurethane which is either a polyester urethane, polyether urethane or polyacrylourethane;c. 5-40% by weight, based on the weight of the binder of a water-soluble or a water-dispersible alkylated melamine formaldehyde crosslinking agent of a polymeric partially methylated melamine formaldehyde resin having a degree of polymerization of about 1-3;the composition forms an automotive quality clear coat and/or pigmented color coat for automobiles and trucks; and the acrylic polymer can be used to form an automotive quality primer composition.Type: GrantFiled: July 27, 1992Date of Patent: May 24, 1994Assignee: E. I. Du Pont de Nemours and CompanyInventors: Stanley K. Nickle, Ervin R. Werner, Jr.
-
Patent number: 5286569Abstract: A waterbased coating composition containing about 10-30% by weight of film forming binder dispersed in an aqueous carrier; wherein the binder containsa. an acrylic silane polymer of polymerized monomers of alkyl methacrylate, alkyl acrylate or mixtures thereof, a silane containing alkyl acrylate or methacrylate and the polymer has an acid no. of 2-100 and a hydroxyl no. of up to 100, a glass transition temperature of -40 to 25 C. and a weight average molecular weight of 500,000 to 3,000,000; andb. a polyurethane selected from the following group: polyester urethane, polyether urethane or polyacrylourethane;the composition is useful for painting and refinishing the exterior of automobiles and trucks.Type: GrantFiled: December 22, 1992Date of Patent: February 15, 1994Inventors: Ervin R. Werner, Jr., Eileen A. Konsza
-
Patent number: 5266406Abstract: A waterbased coating composition formed of an acrylic latex and an acrylic hydrosol dispersed in an aqueous carrier and has a pH of about 7-10; wherein the binder is a blend of an acrylic latex polymer having a particle size of about 0.06-0.20 microns and an acrylic hydrosol polymer having a particle size of less than 0.30 microns; wherein the blend containsa methylol (meth)acrylamide acrylic latex polymer of polymerized monomers of alkyl methacrylate, alkyl acrylate or mixtures thereof, 1-15% by weight of methylol methacrylamide, methylol acrylamide or mixtures thereof, 0.5-10% by weight of ethylenically unsaturated carboxylic acid having reactive carboxyl groups, 0.5-10% by weight of ethylenically unsaturated hydroxyl monomer and the carboxyl groups of the carboxylic acid component of the polymer are reacted with ammonia or an amine; and an acrylic hydrosol polymer of methylol (meth)acrylamide acrylic polymer containing about 0.5-10% by weight of an ethylenically unsaturated carboxylic acid, 0.Type: GrantFiled: January 11, 1993Date of Patent: November 30, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventors: Herman C. Den Hartog, Eileen E. Konsza, James F. Matthews, Ervin R. Werner, Jr.
-
Patent number: 5221584Abstract: A waterbased coating composition formed of an acrylic latex and an acrylic hydrosol dispersed in an aqueous carrier and has a pH of about 7-10; wherein the binder is a blend of an acrylic latex polymer having a particle size of about 0.06-0.20 microns and an acrylic hydrosol polymer having a particle size of less than 0.30 microns; wherein the blend containsa. a methylol (meth)acrylamide carboxyl containing acrylic latex polymer of polymerized monomers of alkyl methacrylate, alkyl acrylate or mixtures thereof, 1-15% by weight of methylol methacrylamide, methylol acrylamide or mixtures thereof, 0.5-10% by weight of ethylenically unsaturated carboxylic acid having reactive carboxyl groups, 0.5-10% by weight of ethylenically unsaturated hydroxyl and the carboxyl groups of the polymer are reacted with ammonia or an amine;b. an acrylic hydrosol polymer of methylol (meth)acrylamide acrylic polymer containing carboxyl and hydroxyl groups about 0.5-10% by weight of an ethylenically unsaturated carboxylic acid, 0.Type: GrantFiled: June 26, 1992Date of Patent: June 22, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventors: Stanley K. Nickle, Ervin R. Werner, Jr.
-
Patent number: 5219916Abstract: A waterbased coating composition formed of an acrylic latex and an acrylic hydrosol dispersed in an aqueous carrier and has a pH of about 7-10; wherein the binder is a blend of an acrylic latex polymer having a particle size of about 0.06-0.20 microns and an acrylic hydrosol polymer having a particle size of less than 0.30 microns; wherein the blend containsa methylol (meth)acrylamide acrylic latex polymer of polymerized monomers of alkyl methacrylate, alkyl acrylate or mixtures thereof, 1-15% by weight of methylol methacrylamide, methylol acrylamide or mixtures thereof, 0.5-10% by weight of ethylenically unsaturated carboxylic acid having reactive carboxyl groups, 0.5-10% by weight of ethylenically unsaturated hydroxyl monomer and the carboxyl groups of the carboxylic acid component of the polymer are reacted with ammonia or an amine; and an acrylic hydrosol polymer of methylol (meth)acrylamide acrylic polymer containing about 0.5-10% by weight of an ethylenically unsaturated carboxylic acid, 0.Type: GrantFiled: December 5, 1990Date of Patent: June 15, 1993Assignee: E. I. du Pont de Nemours and CompanyInventors: Herman C. Den Hartog, Eileen E. Konsza, James F. Matthews, Ervin R. Werner, Jr.
-
Patent number: 5204404Abstract: A waterbased coating composition containing about 10-30% by weight of film forming binder dispersed in an aqueous carrier; wherein the binder containsa. an acrylic silane polymer of polymerized monomers of alkyl methacrylate, alkyl acrylate or mixtures thereof, a silane containing alkyl acrylate or methacrylate and the polymer has an acid no. of 2-100 and a hydroxyl no. of up to 100, a glass transition temperature of -40.degree. to 25.degree. C. and a weight average molecular weight of 500,000 to 3,000,000; andb. a polyurethane selected from the following group: polyester urethane, polyether urethane or polyacrylourethane;the composition is useful for painting and refinishing the exterior of automobiles and trucks.Type: GrantFiled: August 16, 1990Date of Patent: April 20, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventors: Ervin R. Werner, Jr., Eileen E. Konsza
-
Patent number: 5166254Abstract: A waterbased coating composition formed of an acrylic latex and an acrylic hydrosol dispersed in an aqueous carrier and has a pH of about 7-10; wherein the binder is a blend of an acrylic latex polymer having a particle size of about 0.06-0.20 microns and an acrylic hydrosol polymer having a particle size of less than 0.30 microns; wherein the blend containsa. a methylol (meth)acrylamide carboxyl containing acrylic latex polymer of polymerized monomers of alkyl methacrylate, alkyl acrylate or mixtures thereof, 1-15% by weight of methylol methacrylamide, methylol acrylamide or mixtures thereof, 0.5-10% by weight of ethylenically unsaturated carboxylic acid having reactive carboxyl groups, 0.5-10% by weight of ethylenically unsaturated hydroxyl and the carboxyl groups of the polymer are reacted with ammonia or an amine;b. an acrylic hydrosol polymer of methylol (meth)acrylamide acrylic polymer containing carboxyl and hydroxyl groups about 0.5-10% by weight of an ethylenically unsaturated carboxylic acid, 0.Type: GrantFiled: December 3, 1990Date of Patent: November 24, 1992Assignee: E. I. Du Pont de Nemours and CompanyInventors: Stanley K. Nickle, Ervin R. Werner, Jr.
-
Waterbased methylol (meth)acrylamide acrylic polymer and polyurethane containing coating composition
Patent number: 5006413Abstract: A waterbased coating composition containing about 10-30% by weight of film forming binder dispersed in an aqueous carrier; wherein the binder contains abouta. 60-90% by weight, based on the weight of the binder, of a methylol (meth)acrylamide acrylic polymer of polymerized monomers of alkyl methacrylate, alkyl acrylate or mixtures thereof, 1-10% by weight, based on the weight of the acrylic polymer, of methylol methacrylamide, methylol acrylamide or mixtures thereof, 0.5-10% by weight, based on the weight of the acrylic polymer, of an ethylenically unsaturated carboxylic acid, 0.5-10% by weight, based on the weight of the acrylic polymer, of an ethylenically unsaturated hydroxyl containing monomer and the acrylic polymer has a glass transition temperature of -40 to +40C and a weight average molecular weight of 500,000 to 3,000,000; and the carboxyl groups of the carboxylic acid are reacted with ammonia to provide a pH to the composition of about 7.0-10.0;b.Type: GrantFiled: April 17, 1990Date of Patent: April 9, 1991Assignee: E. I. du Pont de Nemours and CompanyInventors: Herman C. Den Hartog, Eileen E. Konsza, James F. Matthews, Ervin R. Werner, Jr. -
Patent number: 4954559Abstract: A waterbased coating composition containing about 10-30% by weight of film forming binder dispersed in an aqueous carrier; wherein the binder contains abouta. 60-90% by weight, based on the weight of the binder, of a methylol (meth)acrylamide acrylic polymer of polymerized monomers of alkyl methacrylate, alkyl acrylate or mixtures thereof, 1-10% by weight, based on the weight of the acrylic polymer, of methylol methacrylamide, methylol acrylamide or mixtures thereof, 0.5-10% by weight, based on the weight of the acrylic polymer, of an ethylenically unsaturated carboxylic acid, 0.5-10% by weight, based on the weight of the acrylic polymer, of an ethylenically unsaturated hydroxyl containing monomer and the acrylic polymer has a glass transition temperature of -40.degree. to +40.degree. C. and a weight average molecular weight of 500,000 to 3,000,000; and the carboxyl groups of the carboxylic acid are reacted with ammonia to provide a pH to the composition of about 7.0-10.0;b.Type: GrantFiled: September 5, 1989Date of Patent: September 4, 1990Assignee: E. I. du Pont de Nemours and CompanyInventors: Herman C. Den Hartog, Eileen E. Konsza, James F. Matthews, Ervin R. Werner, Jr.