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:
Aug. 31, 2004
Filed:
Nov. 14, 2001
Applicant:
Inventors:
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 1/412 ; B32B 3/26 ;
U.S. Cl.
CPC ...
C23C 1/412 ; B32B 3/26 ;
Abstract
Process for the production of hydrophobic layers on optical substrates which have an alkaline earth metal fluoride or alkali metal fluoride layer as the outermost layer or consist of alkaline earth metal fluorides or alkali metal fluorides, by thermal vapor deposition with polyfluorohydrocarbons in a high vacuum.