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. 03, 1984
Filed:
Jul. 07, 1982
Applicant:
Inventors:
Herbert Saran, deceased, late of Dusseldorf, DE;
Martin Witthaus, Dusseldorf, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252182 ; 252 99 ; 252102 ; 25218638 ;
Abstract
Coated granular bleach activators and a process for their preparation comprising spray drying an aqueous slurry containing 1 to 1.7 parts by weight of water per part of a mixtue of (A) a powdery bleach activator and (B) at least one water soluble cellulose ether, starch, or starch ether in a ratio of A:B of from 99:1 to 90:10. The process utilizes a current of a drying gas having an entrance temperature of 100.degree.-200.degree. C. and an exit temperature of 40.degree.-120.degree. C.