Patents by Inventor Joseph A. Vasta
Joseph A. Vasta 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: 9021980Abstract: A dosage indicator assembly is presented which may be removably attached or fixedly attached to a pill bottle or other medication container, for instance, for disposition onto a top surface of a pill bottle cap, as a replacement cap for a pill bottle, or integral with a cap of a pill bottle. In particular, the dosage indicator assembly of the various embodiments of the present invention is cooperatively structured to track and/or indicate to a user the consumption of prescription pills or other medication in order to prevent inadvertent overdose, for instance, as a result of a lapse in memory as to whether a pill or medication has recently been consumed.Type: GrantFiled: June 13, 2011Date of Patent: May 5, 2015Inventors: Joseph Vasta, Neal Rosenblum
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Patent number: 5008322Abstract: Polymeric products of styrene, an acrylate, acrylic or methacrylic acid and polyethylene oxide, prepared in contact with a cobalt compound, are hydrophobic and can be used as rheology control agents in printing ink.Type: GrantFiled: December 23, 1988Date of Patent: April 16, 1991Inventors: Joseph A. Vasta, deceased, by Rita Vasta, executrix
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Patent number: 4760167Abstract: A polymerizable compound of the formula: ##STR1## where R.sup.1 is H or CH.sub.3, R.sup.2 is an aliphatic group and R.sup.3 is a cycloaliphatic group and the polymer has a molecular weight of about 2,000 to 50,000;The compound is useful for forming polymers used in coating compositions for finishing the exterior of automobiles and trucks.Type: GrantFiled: September 19, 1986Date of Patent: July 26, 1988Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4727100Abstract: A coating composition useful as an exterior for automobiles and trucks and as a refinish composition containing a film forming binder and a carrier for the binder; wherein the binder contains(1) a reactive component of the formula ##STR1## where R is a divalent or trivalent aliphatic or cycloaliphatic group,R.sup.1 is an alkyl group having 1-4 carbon atomsn is 2-3(2) a hydroxy containing acrylic polymer having drying oil fatty acid moieties and a hydroxyl number of 20-500 and(3) an organo metallic alkylate selected from the group of an aluminum, titanium, zirconium alkylate, or mixtures thereof.The composition can be applied by conventional techniques such as spraying and cures at ambient temperatures or can be baked at relatively low temperatures.Type: GrantFiled: August 15, 1986Date of Patent: February 23, 1988Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4727099Abstract: A coating composition containing a film forming binder and a carrier for the binder; wherein the binder consists essentially of(1) a reactive polyurethane of the formula ##STR1## where R is a divalent or trivalent aliphatic or cycloaliphatic group,R.sup.1 is an alkyl group having 1-4 carbon atoms, n is 2-3;(2) a hydroxy containing polymer having a hydroxyl number of 50-200 and having pendent ester groups;(3) an organo metallic alkylate catalyst selected from the group of an aluminum alkylate, zirconium alkylate, titanium alkylate or mixtures thereof.The composition can be applied by conventional techniques such as spraying and can be cured at relatively low baking temperatures.Type: GrantFiled: August 15, 1986Date of Patent: February 23, 1988Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4699936Abstract: A coating composition useful as a finish for flexible and rigid substrates of automobiles and truck bodies and contains a binder and an organic carrier; wherein the binder containsA. an amine polymer of polymerized ethylenically unsaturated monomers and a polymerized constituent of the formula: ##STR1## where R.sup.1 is H or CH.sub.3, R.sup.2 is an aliphatic group and R.sup.3 is a cycloaliphatic group and the polymer has a molecular weight of about 2,000 to 50,000 andB. an epoxy resin.Type: GrantFiled: February 27, 1986Date of Patent: October 13, 1987Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4659770Abstract: A coating composition useful as an exterior finish for automobiles and trucks containing a binder and an organic carrier; wherein the binder containsA. An amine polymer of polymerized ethylenically unsaturated monomers and a polymerized constituent of the formula: ##STR1## where R.sup.1 is H or CH.sub.3, R.sup.2 is an aliphatic group and R.sup.3 is a cycloaliphatic group and the polymer has a molecular weight of about 2,000 to 50,000 andB. a blocked organic polyisocyanate.Type: GrantFiled: February 3, 1986Date of Patent: April 21, 1987Assignee: E.I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4589999Abstract: A coating composition having a liquid carrier and a binder of a blend ofa. an acrylic polymer containing glycidyl groups andb. a crosslinkable polysiloxane having attached to the silicone atoms of its backbone alkyl groups, phenyl groups and hydroxyl groups;the composition contains electrically conductive pigments such as carbon black and graphite to provide an electrically conductive dry film; the composition is used on lead alloy grids of lead acid storage batteries to prolong the life of the battery or to reduce a size and weight of the battery.Type: GrantFiled: December 28, 1984Date of Patent: May 20, 1986Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4578286Abstract: A coating composition containing 10-80% by weight of binder and 20-90% by weight of an organic solvent in which the binder is(1) a chlorosulfonated polyethylene,(2) an epoxy resin,(3) a polyamine curing agent, and optionally(4) a bicyclic amidine or a strong organic base.The composition contains electrically conductive pigments such as carbon black and graphite to provide an electrically conductive film. The composition is used on grids of lead acid storage batteries to prolong the life of the battery or to reduce size and weight of the battery while maintaining power output of the battery.Type: GrantFiled: December 28, 1984Date of Patent: March 25, 1986Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4572870Abstract: A coating composition containing 10-80% by weight of binder and 20-90% by weight of an organic solvent in which the binder is(1) a chlorosulfonated ethylene vinyl acetate polymer,(2) an epoxy resin,(3) a polyamine curing agent, and(4) a bicyclic amidine.The composition is used as a primer or topcoating for metal substrates and curings at ambient temperatures and provides a finish that has excellent adhesion to the substrate and is tough, durable, weatherable and when pigmented with electrically conductive pigments, can be used as a coating for electrodes used in electrochemical reactions such as grids used in lead acid storage batteries.Type: GrantFiled: December 28, 1984Date of Patent: February 25, 1986Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4531010Abstract: A curing agent for fluorocarbon polymer coating compositions having the formula ##STR1## where R is R.sup.1 NH, R.sup.1 is an aliphatic or cycloaliphatic hydrocarbon radical, R.sup.2 is C or an aliphatic hydrocarbon group, R.sup.3 is H or CH.sub.3, where x is 3 when R.sup.2 is a hydrocarbon group and x is 4 when R.sup.2 is C; the curing agents form ambient curing fluorocarbon polymer coating compositions;These compositions are used to provide corrosion and abrasion resistant coatings for large structures in chemical plants, oil refineries, oil drilling platforms, and the interior of smoke stacks of large utility companies.Type: GrantFiled: December 30, 1983Date of Patent: July 23, 1985Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4517378Abstract: A curing agent for fluorocarbon polymer coating compositions selected from the following group: ##STR1## where R is R.sup.1 NH, R.sup.1 is an aliphatic or cycloaliphatic hydrocarbon radical, R.sup.2 is C or an aliphatic hydrocarbon group, R.sup.3 is H or CH.sub.3, where x is 3 when R.sup.2 is a hydrocarbon group and x is 4 when R.sup.2 is C; the curing agents form ambient curing fluorocarbon polymer coating compositions;These compositions are used to provide corrosion and abrasion resistant coatings for large structures in chemical plants, oil refineries, oil drilling platforms, and the interior of smoke stacks of large utility companies.Type: GrantFiled: June 30, 1983Date of Patent: May 14, 1985Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4513060Abstract: A coating composition containing 10-80% by weight of binder and 20-90% by weight of an organic solvent in which the binder is(1) a chlorosulfonated polyethylene,(2) an epoxy resin,(3) a polyamine curing agent, and(4) a bicyclic amidine.The composition is used as a primer or topcoating for metal substrates and curings at ambient temperatures and provides a finish that has excellent adhesion to the substrate and is tough, durable, weatherable and corrosion resistant.Type: GrantFiled: February 8, 1984Date of Patent: April 23, 1985Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4506054Abstract: A coating composition of a fluorocarbon polymer which cures at ambient temperatures in which a fluorocarbon polymer in solution is of vinylidene fluoride and hexafluoropropylene and has a weight average molecular weight of about 5,000-600,000; the composition also containsdispersed fluorocarbon polymer particles of the following group polytetrafluoroethylene, fluorinated ethylene/propylene polymer, polyvinyl fluoride, polyvinylidene fluoride, copolymer of tetrafluoroethylene/perflouroalkoxyvinyl ether;a metallic oxide such as magnesium oxide which is an acid acceptor; andan aliphatic or cycloaliphatic polyamine curing agent;preferably, the composition contains a reinforcing pigment such as titanium dioxide.The coating composition is used to provide corrosion and abrasion resistant coatings for large structures in chemical plants, oil refineries, oil drilling platforms, and as a coating for the interior of smoke stacks of large utility companies.Type: GrantFiled: March 21, 1984Date of Patent: March 19, 1985Inventor: Joseph A. Vasta
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Patent number: 4503174Abstract: A low temperature curing coating composition containing 10-80% by weight of binder and 20-90% by weight of an organic solvent in which the binder is(1) an acrylic polymer containing monomers having reactive groups such as acrylamide, methacrylamide, methacrylic acid, acrylic acid and glycidyl methacrylate,(2) an epoxy resin,(3) a polyamine curing agent,(4) phenol and(5) a bicyclic amindine;The composition is used as a primer or topcoating for metal substrates and curings at temperatures of 0.degree. C. to ambient temperatures and provides a primer that has excellent adhesion to the substrate and provides a durable, corrosion resistant finish.Type: GrantFiled: September 6, 1983Date of Patent: March 5, 1985Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4503175Abstract: A coating composition in which the binder contains the following:(1) an acrylic polymer having pendent hydroxyl containing ester groups and(2) a polyisocyanate which has the formula ##STR1## where R.sup.4 is a hydrocarbon group having 6 carbon atoms. The composition can be used as an unpigmented clear finish or can contain convention pigments and be used as a colored finish. The composition is useful for refinishing trucks and automobiles and as an original finish for trucks, automobiles, boats, outdoor equipment and the like since the resulting finish is glossy, durable and weatherable.Type: GrantFiled: December 19, 1983Date of Patent: March 5, 1985Assignee: E. I. Du Pont de Nemours and CompanyInventors: Eric C. Houze, Joseph A. Vasta
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Patent number: 4495247Abstract: A primer composition for fluorocarbon polymer coatings which cures at ambient temperatures and contains a fluorocarbon polymer of vinylidene fluoride and hexafluoropropylene and has a weight average molecular weight of about 50,000-300,000;a metallic oxide such as magnesium oxide which is an acid acceptor andan amino alkyl alkoxy silane; preferably, the primer contains a reinforcing pigment such as titanium dioxide;The primer is used in combination with fluorocarbon polymer coatings to provide corrosion and abrasion resistant coatings for equipment used in chemical plants, oil refineries, oil drilling platforms, and for the interior of smoke stacks of large utility companies.Type: GrantFiled: June 30, 1983Date of Patent: January 22, 1985Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4495248Abstract: A coating composition of a fluorocarbon polymer which cures at ambient temperatures in which the fluorocarbon polymer is of vinylidene fluoride and hexafluoropropylene and has a weight average molecular weight of about 50,000-600,000; the composition containsa metallic oxide such as magnesium oxide which is an acid acceptor, andan aliphatic or cycloaliphatic ester polyamine curing agent;preferably, the composition contains a reinforcing pigment such as titanium dioxide.The coating composition is used to provide corrosion and abrasion resistant coatings for large structures such as chemical plants, oil refineries, oil drilling platforms, and as a coating for the interior of smoke stacks of large utility companies.Type: GrantFiled: February 27, 1984Date of Patent: January 22, 1985Assignee: E. I. DuPont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4490501Abstract: A coating composition of a fluorocarbon polymer which cures at ambient temperatures in which the fluorocarbon polymer is of vinylidene fluoride and hexafluoropropylene and has a weight average molecular weight of about 50,000-600,000; the composition containsa metallic oxide such as magnesium oxide which is an acid acceptor, andan aliphatic or cycloaliphatic polyamine curing agent;preferably, the composition contains a reinforcing pigment such as titanium dioxide.The coating composition is used to provide corrosion and abrasion resistant coatings for large structures such as chemical plants, oil refineries, oil drilling platforms, and as a coating for the interior of smoke stacks of large utility companies.Type: GrantFiled: February 27, 1984Date of Patent: December 25, 1984Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta
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Patent number: 4487878Abstract: A coating composition of a fluorocarbon polymer which cures at ambient temperatures in which a fluorocarbon polymer in solution is of vinylidene fluoride and hexafluoropropylene and has a weight average molecular weight of about 5,000-600,000; the composition also containsa dispersed fluorocarbon polymer of the following group polytetrafluoroethylene, fluorinated ethylene/propylene polymer, polyvinyl fluoride, polyvinylidene fluoride, copolymer of tetrafluoroethylene/perflouroalkoxyvinyl ether;a metallic oxide such as magnesium oxide which is an acid acceptor; andan aliphatic or cycloaliphatic polyamine curing agent; preferably, the composition contains a reinforcing pigment such as titanium dioxide.The coating composition is used to provide corrosion and abrasion resistant coatings for large structures in chemical plants, oil refineries, oil drilling platforms, and as a coating for the interior of smoke stacks of large utility companies.Type: GrantFiled: March 21, 1984Date of Patent: December 11, 1984Assignee: E. I. Du Pont de Nemours and CompanyInventor: Joseph A. Vasta