Patents by Inventor Marvin L. Kaufman
Marvin L. Kaufman 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: 5936012Abstract: An electrodepositable composition that has: (A) an active hydrogen-containing cationic resin, electrodepositable on a cathode, having: (1) a polyepoxide; (2) an oxygen-substituted diamine compound having the following formula: ##STR1## where n is an integer from 2 to 4; and where R.sup.1 or R.sup.2 are the same or different and either one or both contain at least one oxygen and are alkyl, cycloalkyl, substituted alkyl, or substituted cycloalkyl having from 1 to 6 carbon atoms, or R.sup.1 and R.sup.2 are alkanol groups having from 2 to 6 carbon atoms, or R.sup.1, R.sup.2, and the N atom form a cyclic group which is substituted or unsubstituted such as morpholine and 1-(3-aminopropyl) imidazole; and (B) at least partially blocked isocyanate or polyisocyanate curing agent. The diamine compound of Formula I can be used alone or in conjunction with one or more secondary amines, nonhydroxy group containing amines and/or amines with ring structures.Type: GrantFiled: October 7, 1998Date of Patent: August 10, 1999Assignee: PPG Industries Ohio, Inc.Inventors: Marvin L. Kaufman, Patrick O'Neill, Richard F. Karabin, Gregory J. McCollum
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Patent number: 5820987Abstract: An electrodepositable composition that has: (A) an active hydrogen-containing cationic resin, electrodepositable on a cathode, having: (1) a polyepoxide; (2) an oxygen-substituted diamine compound having the following formula: ##STR1## where n is an integer from 2 to 4; and where R.sup.1 or R.sup.2 are the same or different and either one or both contain at least one oxygen and are alkyl, cycloalkyl, substituted alkyl, or substituted cycloalkyl having from 1 to 6 carbon atoms, or R.sup.1 and R.sup.2 are alkanol groups having from 2 to 6 carbon atoms, or R.sup.1, R.sup.2, and the N atom form a cyclic group which is substituted or unsubstituted such as morpholine and 1-(3-aminopropyl) imidazole; and (B) at least partially blocked isocyanate or polyisocyanate curing agent. The diamine compound of Formula I can be used alone or in conjunction with one or more secondary amines, nonhydroxy group containing amines and/or amines with ring structures.Type: GrantFiled: August 21, 1996Date of Patent: October 13, 1998Assignee: PPG Industries, Inc.Inventors: Marvin L. Kaufman, Patrick O'Neill, Richard F. Karabin, Gregory J. McCollum
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Patent number: 5320738Abstract: Electrodepositable coating compositions comprising an active hydrogen-containing ionic resin and a curing agent which contains blocked isocyanate groups and oxazolidone groups are disclosed. These coating compositions reduce the tendency of cured electrodeposited films to cause yellowing in subsequently applied topcoat systems. The use of these electrodepositable coating compositions in the process of electrodeposition is also disclosed.Type: GrantFiled: August 2, 1993Date of Patent: June 14, 1994Assignee: PPG Industries, Inc.Inventor: Marvin L. Kaufman
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Patent number: 5272189Abstract: Electrodepositable coating compositions comprising an active hydrogen-containing ionic resin and a curing agent which contains blocked isocyanate groups and oxazolidone groups are disclosed. These coating compositions reduce the tendency of cured electrodeposited films to cause yellowing in subsequently applied topcoat systems. The use of these electrodepositable coating compositions in the process of electrodeposition is also disclosed.Type: GrantFiled: October 19, 1992Date of Patent: December 21, 1993Assignee: PPG Industries, Inc.Inventor: Marvin L. Kaufman
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Patent number: 5214101Abstract: A thermosetting powder coating composition which has good handling properties and which has a good bland of physical properties such as appearance, flexibility, hardness, solvent resistance, corrosion resistance and exterior durability is disclosed. The composition comprises a co-reactable particulate mixture of a carboxylic acid group-containing acrylic polymer, a second carboxylic acid group-containing polyurethane having sufficient crystallinity to assist in flow of the powder coating compositions, a beta-hydroxyalkylamide crosslinking agent and an amorphous acid group-containing polyurethane.Type: GrantFiled: August 24, 1992Date of Patent: May 25, 1993Assignee: PPG Industries, Inc.Inventors: Paul H. Pettit, Jr., Debra L. Singer, Marvin L. Kaufman
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Patent number: 5182337Abstract: A thermosetting powder coating composition which has good handling properties and which has a good blend of physical properties such as appearance, flexibility, hardness, solvent resistance, corrosion resistance and exterior durability is disclosed. The composition comprises a co-reactable particulate mixture of a carboxylic acid group-containing acrylic polymer, a second carboxylic acid group-containing polyester having sufficient crystallinity to assist in flow of the powder coating compositions, a beta-hydroxyalkylamide crosslinking agent and an amorphous acid group-containing polyester.Type: GrantFiled: October 16, 1991Date of Patent: January 26, 1993Assignee: PPG Industries, Inc.Inventors: Paul H. Pettit, Jr., Debra L. Singer, Marvin L. Kaufman
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Patent number: 5162420Abstract: Disclosed is an aqueous composition containing a vinyl-type polymer product having hydrolyzable silyl groups which aqueous composition is stable at relatively high solids for such a composition and yet cures at relatively low temperatures upon the evaporation of water. More particularly, disclosed is a stable, aqueous, colloidal silica-free, dispersion or solution containing a solution-polymerized vinyl-type polymer having acid functionality sufficient to provide an acid value of from 5 to 160 and having a hydroxyl value of less than or equal to 10 and sufficient hydrolyzable silyl groups to provide a Si content in the range of from 0.40 to 6.0 percent by weight based on the total weight of the vinyl-type polymer. The vinyl-type polymer is characterized in that a composition consisting of at least 25 percent by weight of the polymer in water remains stable in a closed container for at least 24 hours at a temperature of 48.9 degrees Celsius.Type: GrantFiled: May 22, 1991Date of Patent: November 10, 1992Assignee: PPG Industries, Inc.Inventors: Wen-Hsuan Chang, Edward E. McEntire, Marvin L. Kaufman
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Patent number: 5118752Abstract: An aqueous polymer emulsion latex is claimed composed of particles comprising a vinyl polymer and a surfactant containing at least one hydrophobic moiety and at least one hydrophilic moiety and also carrying silicon moieties and amido functionalities. Also claimed are coating compositions containing the aqueous polymer emulsion latex, processes for preparing the aqueous polymer emulsion latex wherein ethylenically unsaturated monomers are polymerized in the presence of a surfactant containing a silicon moiety and amido functionality, and substrates carrying a coating composition containing the aqueous polymer emulsion latex.Type: GrantFiled: October 15, 1991Date of Patent: June 2, 1992Assignee: PPG Industries, Inc.Inventors: Wen-Hsuan Chang, Marvin L. Kaufman, Edward E. McEntire, James C. Su, Anbazhagan Natesh
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Patent number: 4937288Abstract: A thermosetting powder coating composition which has good handling properties and which has a good blend of physical properties such as appearance, flexibility, hardness, solvent resistance, corrosion resistance and exterior durability is disclosed. The composition comprises a co-reactable particulate mixture of a carboxylic acid group-containing acrylic polymer, a second carboxylic acid group-containing material having sufficient crystallinity to assist in flow of the powder coating compositions and a beta-hydroxalkylamide crosslinking agent.Type: GrantFiled: September 18, 1989Date of Patent: June 26, 1990Assignee: PPG Industries, Inc.Inventors: Paul H. Pettit, Jr., Debra L. Singer, Marvin L. Kaufman
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Patent number: 4801680Abstract: The thermosetting powder coating composition which has good stability and gives good physical properties, such as exterior durability, appearance, flexibility, hardness, solvent resistance and corrosion resistance, is disclosed. The composition comprises a co-reactable particulate mixture of a carboxylic acid group-containing polyester and a beta-hydroxylalkylamide.Type: GrantFiled: December 30, 1987Date of Patent: January 31, 1989Assignee: PPG Industries, Inc.Inventors: Denise M. Geary, Paul H. Pettit, Jr., Marvin L. Kaufman, Susan K. Vicha
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Patent number: 4788255Abstract: A thermosetting powder coating composition which has good handling properties and which has a good blend of physical properties such as appearance, flexibility, hardness, solvent resistance, corrosion resistance and exterior durability is disclosed. The composition comprises a co-reactable particulate mixture of an acid group-containing acrylic polymer; an aliphatic dicarboxylic acid containing from 4 to 20 carbon atoms per molecule and/or a polymeric polyanhydride and a beta-hydroxy alkylamide crosslinking agent.Type: GrantFiled: October 9, 1987Date of Patent: November 29, 1988Assignee: PPG Industries, Inc.Inventors: Paul H. Pettit, Jr., Marvin L. Kaufman
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Patent number: 4727111Abstract: A thermosetting powder coating composition which has good handling properties and which has a good blend of physical properties such as appearance, flexibility, hardness, solvent resistance, corrosion resistance and exterior durability is disclosed. The composition comprises a co-reactable particulate mixture of an acid group-containing acrylic polymer; an aliphatic dicarboxylic acid containing from 4 to 20 carbon atoms per molecule and/or a polymeric polyanhydride and a beta-hydroxyalkylamide crosslinking agent.Type: GrantFiled: September 29, 1986Date of Patent: February 23, 1988Assignee: PPG Industries, Inc.Inventors: Paul H. Pettit, Jr., Marvin L. Kaufman
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Patent number: 4436890Abstract: Single package, thermosetting epoxy resin-based coating compositions are provided which contain a polyepoxide and a curing agent system therefor which comprises an aromatic urea. At composition curing times and temperatures, the aromatic urea reacts with a portion of the polyepoxide to thereby form in situ a primary or secondary amine which can then function as a coreactive curing agent to complete the cure of the epoxy resin coating.Type: GrantFiled: December 30, 1982Date of Patent: March 13, 1984Assignee: Mobil Oil CorporationInventor: Marvin L. Kaufman
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Patent number: 4420605Abstract: This invention provides a coating composition comprising at least one 1,2 epoxy resin, a modified imidazole catalyst, and a polyfunctional phenol or polyfunctional acid or dicyandiamide.Type: GrantFiled: August 26, 1982Date of Patent: December 13, 1983Assignee: Mobil Oil CorporationInventor: Marvin L. Kaufman
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Patent number: 4358571Abstract: Imidazole or substituted imidazole is adducted with acrylate ester, an epoxy, or an isocyanate followed by neutralization with lower fatty acid or alkylene or aromatic dicarboxylic acid. The product is a curing agent which is combined with an epoxy resin to form a powder coating.Type: GrantFiled: March 10, 1981Date of Patent: November 9, 1982Assignee: Mobil Oil CorporationInventors: Marvin L. Kaufman, George F. Salathe
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Patent number: 4126527Abstract: Relatively water insoluble hydroxy functional monoethylenic polyethers or polyesters of monoethylenic carboxylic acids or hydroxy aklys esters thereof are formed by adducting the monoethylenic acid or its hydroxy ester with an anhydride selected from monoepoxides, lactones, or mixtures thereof in the presence of a Lewis acid catalyst, such as BF.sub.3 etherate, at a temperature below that at which the unsaturation is consumed, typically about 30.degree.-70.degree. C. These adducts are of low volatility and of low toxicity and can be radiation cured in admixture with polyacrylates to form coatings having improved resistance to elevated temperature exposure.Type: GrantFiled: December 2, 1977Date of Patent: November 21, 1978Assignee: Mobil Oil CorporationInventor: Marvin L. Kaufman
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Patent number: 4064026Abstract: Liquid mixtures which are curable by exposure to ultraviolet light when appropriately photosensitized are provided by etherifying a polyepoxide with an at least 25% stoichiometric excess of an hydroxy alkyl ester of an alpha, beta-monoethylenically unsaturated monocarboxylic acid, expecially hydroxy ethyl acrylate. The unreacted hydroxy alkyl ester is then consumed by reaction with at least 1 molar equivalent of a monoanhydride, such as a monoepoxide, a lactone, or a monoisocyante.Type: GrantFiled: April 12, 1976Date of Patent: December 20, 1977Assignee: Mobil Oil CorporationInventor: Marvin L. Kaufman
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Patent number: 3972910Abstract: A process for the preparation of compounds represented by the formula ##SPC1##Wherein Z is ##EQU1## WHEREIN R' and R' are hydrogen, alkyl or aryl and n is 0 or a positive integer, which compounds are particularly useful as chain extenders or in preparing isocyanates or polyols to be used in the production of polyurethane plastics.Type: GrantFiled: July 7, 1975Date of Patent: August 3, 1976Assignee: Bayer AktiengesellschaftInventors: Sidney H. Metzger, Marvin L. Kaufman, John E. Over