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:
Oct. 09, 2001
Filed:
Mar. 17, 1999
Applicant:
Inventors:
Eric Aubay, Courbevoie, FR;
Agnès Froute, Altrincham, GB;
Aude Guirauden, Paris, FR;
Daniel Joubert, Vineuil Saint Firmin, FR;
Assignee:
Rhone-Poulenc Chimie, Courbevoie Cedex, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 7/14 ; C11D 3/08 ;
U.S. Cl.
CPC ...
C11D 7/14 ; C11D 3/08 ;
Abstract
A detergent composition containing alkali-metal silicate with an average molar ratio of SiO,/M,O of 1-4.2, preferably 2.5-4.2, wherein M is an alkali metal, the composition being non-corrosive to glass, crystal, porcelain and decorative prints thereon upon repeated washing. The composition being such that when disposed in a washing medium at a normal working concentration, a protonated silicic monomer Si(OH),is produced in a concentration of at least 2.5×10,mol/liter of the washing medium.