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. 04, 2006
Filed:
Mar. 22, 2002
Applicants:
Steven Weir, Huddersfield, GB;
Michael Green, Huddersfield, GB;
John Stephen Robinson, Keighley, GB;
Tony Whittaker, Bradford, GB;
Malcolm Skinner, Bradford, GB;
Inventors:
Steven Weir, Huddersfield, GB;
Michael Green, Huddersfield, GB;
John Stephen Robinson, Keighley, GB;
Tony Whittaker, Bradford, GB;
Malcolm Skinner, Bradford, GB;
Assignee:
Ciba Specialty Chemicals Water Treatments Ltd., Bradford, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process of flocculating and dewatering an aqueous suspension of suspended solids comprising, introducing into the suspension, (a) substantially linear polymer, (b) structured polymer, characterised in that the polymers are introduced into the substrate sequentially. The process brings about improvements in filtration.