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:
Jul. 13, 1999
Filed:
Nov. 30, 1998
Applicant:
Inventors:
Yves Duccini, Beauvais, FR;
Paul Francis Reeve, Valbonne, FR;
Charles Elwood Jones, Yardley, PA (US);
Francois Gauthier, Verneuil en Halatte, FR;
Assignee:
Rohm & Haas Company, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
510224 ; 510230 ; 510446 ; 510476 ;
Abstract
A detergent tablet is disclosed which comprises at least 50 wt. % of a non-phosphate builder and from 0 to 20 wt. % of a phosphate builder, and has incorporated therein as binder from 0.3 to 5 wt. % of a neutralised polymer of hydrophilic or hydrophobic monomers which have a glass transition temperature (Tg) of from 40 to 120.degree. C., which monomers comprise(meth)acrylic acid, maleic anhydride, alkyl (meth)acrylates, alkylhydroxy (meth)acrylates, or styrene, the polymer having a weight average molecular weight of from 10,000 to 120,000.