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, 1981
Filed:
Mar. 14, 1979
Applicant:
Inventors:
Kouichi Yagi, Tokyo, JP;
Yunosuke Nakagawa, Soka, JP;
Assignee:
Kao Soap Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252186 ; 8111 ; 252 95 ; 252 99 ; 423273 ; 4234 / ;
Abstract
A bleaching composition comprising (A) sodium percarbonate and/or tetrasodium ethane-1,1,2,2-tetracarboxylate/hydrogen peroxide adduct, and (B) dicarboxyalkyleneimino, monocarboxyalkyleneiminobis(alkylene phosphonic acid), hydroxyethylimino diacetate and/or hydroxyethylethylenediamine triacetate compounds. The composition minimizes color change or fading of colored fabrics caused by bleaching.
Yagi, Kouichi. (1981). Bleaching composition (U.S. Patent No. 4279769). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4279769
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile