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:
Jul. 15, 1980
Filed:
Dec. 26, 1978
Applicant:
Inventors:
Edzard Tholema, Odenthal, DE;
Heinz-Gerd Nonnenbruch, Leverkusen, DE;
Hans Gossmann, Bergisch-Gladbach, DE;
Peter Schultz, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210495 ; 55502 ; 55511 ; 210507 ;
Abstract
If the edge of a filter cloth is coated with one or more layers of a polychloroprene latex mixture which contains zinc oxide and a silicate filler in addition to a polychloroprene with carboxyl groups, sticking is so greatly reduced that the durability of the filter cloths is substantially increased.