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:
Mar. 22, 1977
Filed:
Apr. 14, 1975
Applicant:
Inventors:
Pierre Delfosse, Paris, FR;
Alfred Bosshard, Oftringen, CH;
Assignee:
Pluss-Staufer AG, Oftringen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
260 / ; 106306 ; 260 / ; 260 / ;
Abstract
A varnish or paint containing ultrafine natural calcium carbonate as a filler, the carbonate having an average statistical particle diameter of from 0.5 to 0.7 .mu. and a maximum diameter of from 3 to 4 .mu..