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. 13, 2001
Filed:
Jun. 16, 1999
Applicant:
Inventors:
Oliver Seeger, Mannheim, DE;
Stefan Faber, Wadern, DE;
Michael Veith, St. Ingbert, DE;
Eckehard Fritscher, Waldfischbach, DE;
Wilma M. Dausch, Limburgerhof, DE;
Raimund Schmid, Neustadt-Mussbach, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B05D 3/06 ; C23C 1/640 ; G03C 1/705 ;
U.S. Cl.
CPC ...
B05D 3/06 ; C23C 1/640 ; G03C 1/705 ;
Abstract
The invention concerns the use of hydride-containing aluminium oxide for producing optically detectable markings and inscriptions.