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:
Dec. 30, 2003
Filed:
May. 11, 2001
Applicant:
Inventors:
Derek Aldcroft, Cheshire, GB;
Stephen Moreton, Cheshire, GB;
Mike Halliday, Cheshire, GB;
Joseph Brain, Baarn, NL;
Richard A Birch, Kent, GB;
Assignee:
Quest International BV, Naarden, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 9/44 ;
U.S. Cl.
CPC ...
C11D 9/44 ;
Abstract
A granular composition, especially for incorporation in washing powder formulations, comprises at least 40% by weight of an amorphous silica and typically at least 30% by weight of a functional ingredient such as a perfume, the amorphous silica having a surface area of at least 550 m /g, a pore volume from about 1.0 to about 2.5 ml/g and a particle size of no more than 50 microns, the granules of said composition having a particle size from about 200 to about 2000 microns.