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:
Nov. 05, 1985
Filed:
May. 20, 1983
Applicant:
Inventors:
Edwin Erben, Munich, DE;
August Muhlratzer, Gilching, DE;
Roland Bertinger, Munich, DE;
Boy Cornils, Dinslaken, DE;
Bela Tihanyi, Oberhausen, DE;
Werner DeWin, Dinslaken, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23B / ;
U.S. Cl.
CPC ...
423607 ; 423 55 ;
Abstract
A selectively absorbent layer for solar collectors, comprising a mixture of chromium oxides resulting from thermal decomposition of chromium hexacarbonyl or substituted chromium carbonyl. The absorbent layer is deposited from a process gas containing the carbonyl gaseous phase, oxygen, and inert carrier gas. An intermediate reflective layer is provided between the absorbent layer and the substrate.