The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 18, 1983
Filed:
Feb. 22, 1982
Herbert P Richter, Ridgecrest, CA (US);
Eugene J Dibble, Ridgecrest, CA (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
Water repellent coatings for optical elements such as lenses and windshields. Coatings for uncoated glass, glass having a magnesium fluoride antireflective coating, and glass having an electrically conductive coating of a mixture of indium oxides and tin oxides are applied by applying compositions containing chloromethylsilanes, Dow Corning 531 and 536 fluids, or N, beta-aminoethyl-gamma-aminopropyltrimethylsilane and a perfluorocarboxylic acid to the surface where water repellent coatings are desired. Dow Corning 531 and 536 fluids are described as aminofunctional polydimethylsiloxane copolymers. Hydrolysis and condensation reactions in the presence of water at the surface to be coated result in a durable polymeric coating bonded to the surface.