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. 21, 1987
Filed:
Sep. 22, 1986
Applicant:
Inventors:
Jorg Baumgarten, Wuppertal, DE;
Werner Frommer, Wuppertal, DE;
Theo Mann, Langenfeld, DE;
Imre Pascik, Monheim, DE;
Hans-Georg Rast, Leichlingen, DE;
Dietmar Schapel, Cologne, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D06M / ; C12N / ; C07G / ; C02F / ;
U.S. Cl.
CPC ...
435262 ; 210601 ; 435180 ; 435182 ; 435264 ; 435268 ;
Abstract
Waste water and/or outgoing air are purified by contact with a polyurethane hydrogel containing surface active coal, a polymer having cationic groups and cells having enzymatic activity and being capable of growth.