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:
Jan. 15, 2002
Filed:
Jan. 18, 2000
Peter William Appel, Vlaardingen, NL;
Jelles Vincent Boskamp, Vlaardingen, NL;
Anshu Mali Gupta, Vlaardingen, NL;
Christophe Michel Joueux, Vlaardingen, NL;
Marcel van der Kraan, Vlaardingen, NL;
Henning Wagner, Vlaardingen, NL;
Unilever Home & Personal Care, division of Conopco, Inc., Greenwich, CT (US);
Abstract
A detergent tablet having at least two discrete regions each compacted from particulate composition, wherein a first said region consists of a compacted particulate composition containing swelling disintegrant such that the region increases in volume on contact with water, and in at least one direction through said region is flanked on both sides by one or more other regions which swell to a lesser extent on contact with water than said first region.