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:
Nov. 23, 1993
Filed:
Nov. 25, 1991
Applicant:
Inventors:
John F Hessel, Metuchen, NJ (US);
Daniel J Kuzmenka, Lyndhurst, NJ (US);
Johannes C Van De Pas, Vlaardingen, NL;
Cornelis B Donker, Dordrecht, NL;
Jack T McCown, Cresskill, NJ (US);
Assignee:
Lever Brothers Company, Division of Conopco, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252 95 ; 25217412 ; 25217423 ; 25217419 ; 252100 ; 252D / ; 252547 ; 252D / ;
Abstract
The present application provides heavy duty liquids in which enzyme stability is maintained without sacrificing peroxygen bleach stability. In one embodiment of the invention stability is provided using protein having a MW of from about 1,000 to about under 50,000. In a second embodiment, stability is provided using a carboxylic acid selected from the group consisting of acetic acid, propionic acid, adipic acid and salts thereof.