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:
Jan. 29, 1985
Filed:
Dec. 17, 1982
Applicant:
Inventors:
Paul Schafer, Riehen, CH;
Hans-Ulrich Berendt, Allschwil, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; D06L / ;
U.S. Cl.
CPC ...
25218622 ; 25218621 ; 25218628 ; 25218629 ;
Abstract
Oligomers of the formula ##STR1## wherein Y.sub.1 is hydrogen or --CO--T.sub.1, R.sub.1 Q.sub.1 and T.sub.1 are alkyl and n.sub.1 is 1 to 16, or alkali metal salts thereof, are used as stabilizers in peroxide-containing alkaline liquors for bleaching cellulosic fibre materials.
Schafer, Paul. (1985). Process for bleaching cellulosic fibre materials using oligomers of (U.S. Patent No. 4496472). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4496472
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile