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:
Dec. 06, 1983
Filed:
Jun. 04, 1982
Applicant:
Inventors:
Dietrich J Bahr, Herrenberg, DE;
Marian Briska, Boblingen, DE;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ; G01D / ;
U.S. Cl.
CPC ...
427404 ; 1061 / ; 3461351 ; 427415 ; 428532 ; 428535 ;
Abstract
The invention concerns a process for producing compact, cellulose acetobutyrate based lacquer layers with a high degree of dullness for record carriers coated with a metallic or metalliferous layer, wherein high-molecular polysaccharides, having side chains and containing lignin, are admixed with the basic lacquer compound as a filler with a particle size distribution of less than 10 .mu.m and a molecular weight of about 10.sup.6.