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. 23, 1997
Filed:
Jan. 11, 1996
Applicant:
Inventors:
Patrick Boittiaux, Saint Mande, FR;
Virginie Couvret, Paris, FR;
Daniel Joubert, Vineuil Saint Firmin, FR;
Assignee:
Rhone-Poulenc Chimie, Courbevoie Cedex, FR;
Primary Examiner:
Int. Cl.
CPC ...
B08B / ; C11D / ; C11D / ; D06F / ;
U.S. Cl.
CPC ...
8137 ; 134 252 ; 510442 ; 510507 ; 510509 ; 510511 ;
Abstract
Unique detergent compositions include a calcium precipitate-scavenging amount of an amorphous alkali metal silicoaluminate, advantageously are devoid of phosphate and zeolite values, and typically comprise at least one amorphous alkali metal silicoaluminate, an alkali metal carbonate, and at least one inhibitor of the crystal growth of calcium carbonate, such alkali metal carbonate being present in ionic calcium-removing amounts.