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:
May. 21, 2002
Filed:
Apr. 27, 1995
Applicant:
Inventors:
Michael Crombie Addison, Forest Hall, GB;
Michael Alan J. Moss, Prudhoe, GB;
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/395 ;
U.S. Cl.
CPC ...
C11D 3/395 ;
Abstract
Detergent compositions comprising ethylenediamine-N,N′-disuccinic acid or salts thereof, an alkali metal percarbonate bleach and a crystalline layered sodium silicate of formula LMSi O xH.yH O wherein L is an alkali metal, and M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20 are provided. The compositions also preferably comprise additional non-phosphate detergent builder compounds.