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:
Feb. 20, 2001
Filed:
May. 26, 1998
William Derek Emery, Bebington, GB;
Terry Instone, Bebington, GB;
Seeng Djiang Liem, Vlaardingen, NL;
Gilbert Martin Verschelling, Vlaardingen, NL;
Lever Brothers Company, a division of Conopco, Inc., New York, NY (US);
Abstract
A particulate detergent composition having a bulk density of 700 g/l or less and containing at least 10 wt % (preferably at least 15 wt %) of organic detergent surfactant comprises a base powder composed of at least two granular components. Less than 80% by weight, preferably less than 66% by weight, of the base powder has a compressibility (measured at 20-25° C. and about 40% relative humidity) of 17% or more. Preferably one of the components of the base powder is a granule containing a high level (at least 60 wt %) of anionic surfactant.