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:
Feb. 01, 1977
Filed:
Feb. 10, 1976
Applicant:
Inventors:
Hans Niederprum, Monheim, DT;
Heinz Gunter Klein, Cologne, DT;
Johann Nikolaus Meussdoerffer, Blecher, DT;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204 51 ; 204D / ;
Abstract
In the electrodeposition of a chrome layer wherein the chrome is deposited from an electrolyte solution containing a hexavalent chromium compound in the presence of a fluorine-based surfactant, the improvement which comprises employing as the fluorine-based surfactant a quaternary ammonium perfluoralkane sulfonate of the formula