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. 30, 1991
Filed:
May. 22, 1990
Applicant:
Inventors:
Claude Eckhardt, Riedisheim, FR;
Heinz Hefti, Reinach, CH;
Hans R Meyer, Binningen, CH;
Kurt Weber, Basel, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252 95 ; 252 99 ; 25218638 ; 25218642 ; 25218643 ; 25218644 ; 25230121 ; 25230127 ; 25230128 ; 25230132 ; 252543 ; 252549 ;
Abstract
Detergents which, in addition to inorganic and/or organic peracids, contain specific stilbene compounds as fluorescent whitening agents. These detergents are stable for several months and already show the customary cleaning properties at washing temperatures of 20.degree.-60.degree. C.