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:
May. 16, 1995
Filed:
Jun. 17, 1993
Applicant:
Inventor:
Martin Friz, Darmstadt, DE;
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; C07F / ; B32B / ;
U.S. Cl.
CPC ...
428697 ; 4284231 ;
Abstract
The invention relates to a vapor-deposition material for the production of optical coatings of medium refractive index by deposition-coating of substrates in vacuo. The material is a compound of the formula La.sub.1-x Al.sub.1+x O.sub.3 where x=0 to 0.84.