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. 22, 2000
Filed:
Jun. 15, 1998
Applicant:
Inventors:
Paul Wroblewski, Syracuse, NY (US);
Frederick Doran, Lancashire, GB;
Assignee:
Scapa Group Plc, Blackburn, GB;
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
427209 ; 427244 ; 427246 ; 4273899 ;
Abstract
A method of manufacturing a polymer pore filter for filtering kaolin particles from an aqueous medium, comprising the steps of: coating and partially impregnating at least one face of a woven polyester textile substrate with a polyether based polyurethane polymer; coagulating the polymer by heating in the presence of a coagulant; and forming the polymer simultaneously with or immediately after coagulation.