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. 06, 1990
Filed:
Nov. 10, 1988
Applicant:
Inventors:
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ; C07C / ; C07C / ; D06M / ;
U.S. Cl.
CPC ...
2604045 ; 8606 ; 252-88 ; 427394 ; 428279 ;
Abstract
Diquaternary ammonium salts of the formula ##STR1## wherein A.sub.1 and A.sub.2 are each independently of the other C.sub.2 -C.sub.5 alkylene,
Topfl, Rosemarie. (1990). Diquaternary ammonium salts and the use thereof as textile finishing (U.S. Patent No. 4906413). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4906413
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