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:
Apr. 27, 1976
Filed:
Oct. 21, 1974
Applicant:
Inventors:
Assignee:
Kao Soap Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ;
U.S. Cl.
CPC ...
252 94 ; 252 99 ; 252103 ; 252 95 ; 423582 ;
Abstract
A bleaching composition is disclosed characterized by containing sodium percarbonate which was treated by subjecting it to heating at a temperature of 75.degree. to 135.degree.C, for a heating time ranging (1) from 2 to 6 hours at 75.degree.C to (2) 5 to 30 minutes at 135.degree.C.