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:
Dec. 06, 1988
Filed:
Aug. 07, 1987
Applicant:
Inventors:
Nienyuan J Chang, Cincinnati, OH (US);
Darlene R Walley, Cincinnati, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
D06M / ;
U.S. Cl.
CPC ...
252-875 ; 252-86 ;
Abstract
Disclosed is a method for preparing fabric softening compositions containing quarternized di-esters or di-isopropanol amines. When formulated using the disclosed procedure, including the use of narrowly-defined pH and temperature ranges, the resulting compositions are both biodegradable and storage stable.