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:
Dec. 27, 1988
Filed:
May. 12, 1987
Applicant:
Inventors:
Phillip J Neumiller, Racine, WI (US);
Robert M Etter, Racine, WI (US);
Assignee:
S. C. Johnson & Son, Inc., Racine, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B / ; C08F / ; C08G / ;
U.S. Cl.
CPC ...
134-1 ; 134 26 ; 20415775 ; 427 531 ; 428426 ; 428432 ; 428469 ; 428524 ; 522173 ; 522178 ; 528126 ; 528128 ;
Abstract
This invention relates to a natural or synthetic gemstone or mineral substrate having on its surface an adherent photo-product coating, and a method for coating that substrate, which coating is formed by exposing to light in the presence of an oxygen source, a reactant mixture comprising: 2,2'4,4'-tetrahydroxybenzophenone, with (1) ammonium hydroxide and optionally a trace amount of at least one reactive metal, or (2) ammonium hydroxide and at least one metal salt, or (3) at least one metal salt and at least one amine, or (4) ammonium hydroxide, at least one metal salt and at least one amine; in a suitable solvent.