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. 11, 1978
Filed:
Jun. 13, 1977
Applicant:
Inventors:
Michael E Burns, West Chester, OH (US);
Hans J Pracht, Cincinnati, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252 / ; 252-88 ; 252-89 ; 252132 ; 252135 ; 252D / ; 252 15 ; 252531 ; 252532 ; 252558 ; 252559 ; 536 99 ; 536 88 ;
Abstract
Novel cellulose ethers having a molecular weight from 3000 to 10,000 and a methyl degree of substitution of from 1.8 to 2.7 are especially useful as soil release agents in detergent compositions.