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:
Aug. 21, 1990
Filed:
Apr. 13, 1989
Applicant:
Inventors:
Philippus C van der Hoeven, Prinsenbeek, NL;
Nicolaas C Laane, Rotterdam, NL;
Peter Versluis, Vlaardingen, NL;
Adrianus Visser, Maassluis, NL;
Assignee:
Lever Brothers Company, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252540 ; 252530 ; 252539 ; 252549 ; 252558 ; 252559 ; 252D / ; 252D / ;
Abstract
A substantially non-aqueous liquid cleaning product comprising solid particles dispersed in a liquid solvent phase and a deflocculant which comprises a di-sulphonic acid or a salt thereof.