Patents by Inventor Anthony T. Eng
Anthony T. Eng 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: 5539032Abstract: A corrosion-resistant coating which can be applied directly to a surface as self-priming corrosion-resistant topcoat comprising an alkyd resin binder and a combination of pigments consisting essentially of an aluminum triphosphate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains up to about 40 parts by weight of a titanium dioxide pigment, up to about 2.0 parts by weight of an oil-soluble surface active or wetting agent and up to about 40 parts by weight of at least one organic solvent.Type: GrantFiled: June 7, 1995Date of Patent: July 23, 1996Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng
-
Patent number: 5491185Abstract: A corrosion-resistant coating which can be applied directly to a surface as self-priming topcoat comprising an epoxy resin binder and a combination of pigments consisting essentially of an aluminum triphosphate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains up to about 30 parts by weight of a titanium dioxide pigment, up to about 2.0 parts by weight of an oil soluble surface active agent and up to about 50 parts by weight of at least one organic paint solvent.Type: GrantFiled: March 7, 1994Date of Patent: February 13, 1996Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng
-
Patent number: 5427821Abstract: A corrosion-resistant polyurethane coating for application directly to a face as a self-priming topcoat comprising major amount of a polyurethane binder and minor amount of a combination of pigments consisting essentially of an aluminum phosphate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains up to about 30 parts by weight of a titanium dioxide pigment, up to about 2.0 parts by weight of an oil soluble surface active agent and up to about parts by weight of at least one organic solvent.Type: GrantFiled: June 20, 1994Date of Patent: June 27, 1995Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng
-
Patent number: 5403880Abstract: A corrosion-resistant polyurethane coating for application directly to a face as a self-priming topcoat comprising major amount of a polyurethane binder and minor amount of a combination of pigments consisting essentially of an aluminum phosphate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains up to about 30 parts by weight of a titanium dioxide pigment, up to about 2.0 parts by weight of an oil soluble surface active agent and up to about 50 parts by weight of at least one organic solvent.Type: GrantFiled: March 7, 1994Date of Patent: April 4, 1995Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng
-
Patent number: 5308903Abstract: A corrosion-resistant coating which can be applied directly to a surface as self-priming topcoat comprising a polyurethane resin binder and a combination of pigments consisting essentially of a molybdate-modified zinc phosphate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains up to about 35 parts by weight of a titanium dioxide pigment, up to about 3.0 parts by weight of an oil soluble dispersant agent and up to about 50 parts by weight of at least one organic solvent.Type: GrantFiled: May 14, 1993Date of Patent: May 3, 1994Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng
-
Patent number: 5290839Abstract: A corrosion-resistant coating which can be applied directly to a surface as self-priming topcoat comprising a polyurethane resin binder and a combination of pigments consisting essentially of a molybdate-modified zinc phosphate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains up to about 35 parts by weight of a titanium dioxide pigment, up to about 3.0 parts by weight of an oil soluble dispersant agent and up to about 50 parts by weight of at least one organic solvent.Type: GrantFiled: August 25, 1992Date of Patent: March 1, 1994Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng
-
Patent number: 5290599Abstract: A corrosion-resistant coating which can be applied directly to a surface as self-priming topcoat comprising a polyurethane resin binder and a combination of pigments consisting essentially of an alkaline earth metal metaborate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains from 5-40 parts by weight of a titanium dioxide pigment, up to about 3.0 parts by weight of an oil soluble dispersant and up to about 50 parts by weight of at least one organic solvent.Type: GrantFiled: April 16, 1993Date of Patent: March 1, 1994Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng
-
Patent number: 5290840Abstract: A corrosion-resistant coating which can be applied directly to a surface as self-priming topcoat comprising a polyurethane resin binder and a combination of pigments consisting essentially of an alkaline earth metal metaborate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains from 5-40 parts by weight of a titanium dioxide pigment, up to about 3.0 parts by weight of an oil soluble dispersant and up to about 50 parts by weight of at least one organic solvent.Type: GrantFiled: September 29, 1992Date of Patent: March 1, 1994Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng
-
Patent number: 5236983Abstract: A corrosion-resistant coating which can be applied directly to a surface as self-priming topcoat comprising a polyurethane binder and a combination of pigments consisting essentially of an alkaline earth metal phosphosilicate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains up to about 35 parts by weight of a titanium dioxide pigment and up to about 3.0 parts by weight of an oil soluble surface active agent and up to about 50 parts by weight of at least one organic solvent.Type: GrantFiled: December 20, 1991Date of Patent: August 17, 1993Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng
-
Patent number: 5202367Abstract: A corrosion-resistant coating which can be applied directly to a surface as self-priming topcoat comprising an epoxy resin binder and a combination of pigments consisting essentially of an alkaline earth metal phosphosilicate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains up to about 35 parts by weight of a titanium dioxide pigment, up to about 3.0 parts by weight of an oil soluble surface active agent and up to about 50 parts by weight of at least one organic solvent.Type: GrantFiled: March 31, 1992Date of Patent: April 13, 1993Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng
-
Patent number: 5130361Abstract: A corrosion-resistant coating which can be applied directly to a surface as self-priming topcoat comprising from about 10 to 90 percent by weight of an epoxy binder and 5 to 65 percent by weight of a combination of metal salts or pigments which consist essentially of calcium borosilicate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating may contain up to about 30 percent by weight of a titanium dioxide pigment and up to about 75 percent by weight of at least one organic solvent.Type: GrantFiled: August 2, 1991Date of Patent: July 14, 1992Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng
-
Patent number: 5124385Abstract: A corrosion-resistant coating which can be applied directly to a surface as self-priming topcoat comprising from about 10 to 90 percent by weight of a polymeric polyurethane binder and 5 to 65 percent by weight of a combination of metal salts or pigments which consist essentially of calcium borosilicate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating may contain up to about 30 percent by weight of a titanium dioxide pigment and up to about 75 percent by weight of at least one organic solvent.Type: GrantFiled: May 13, 1991Date of Patent: June 23, 1992Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng
-
Patent number: 5100942Abstract: This invention relates to a corrosion-resistant coating capable of being lied to various substrates, e.g., particularly metal and plastic surfaces, as a single coat characterized as having a high-gloss, good adhesion and a high degree of flexibility. The corrosion inhibiting composition comprises an acrylic resin containing an effective amount of a corrosion-inhibiting pigment system consisting essentially of critical amounts of at least one zinc phosphate, zinc molybdate and at least one zinc salt of a benzoic acid.Type: GrantFiled: April 3, 1991Date of Patent: March 31, 1992Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, William J. Green, Anthony T. Eng
-
Patent number: 5089551Abstract: This invention relates to a corrosion-resistant coating capable of being lied to various substrates, e.g., particularly metal and plastic surfaces, as a single coat characterized as having high-gloss, good adhesion and a high degree of flexibility. The corrosion inhibiting coating comprises an alkyd resin containing an effective amount of a corrosion-inhibiting pigment consisting essentially of critical amounts of at least one zinc phosphate, zinc molybdate and at least one zinc salt of a benzoic acid.Type: GrantFiled: December 14, 1990Date of Patent: February 18, 1992Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, William J. Green, Anthony T. Eng
-
Patent number: 5059640Abstract: This invention relates to a corrosion-resistant coating capable of being lied to various substrates, e.g., particularly metal and plastic surfaces, as a single coat characterized as having a high-gloss, good adhesion and a high degree of flexibility. The corrosion inhibiting composition comprises an epoxide resin containing an effective amount of a corrosion-inhibiting pigment system consisting essentially of critical amounts of at least one zinc phosphate, zinc molybdate and at least one zinc salt of a benzoic acid.Type: GrantFiled: September 28, 1990Date of Patent: October 22, 1991Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng, William J. Green
-
Patent number: 5043373Abstract: A high-gloss, corrosion-resistant coating which can be applied directly to surface comprising about 30 to 82 percent by weight of a polymeric binder and 18 to 70 percent by weight of a pigment system consisting essentially of zinc molybdate, zinc salt of benzoic acids, and zinc phosphate in specific ratio's. The coating exhibits good adhesion, flexibility, chemical- and weather-resistance.Type: GrantFiled: November 28, 1989Date of Patent: August 27, 1991Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Donald J. Hirst, Anthony T. Eng, William J. Green