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:
Apr. 02, 1996
Filed:
May. 09, 1995
Applicant:
Inventors:
Edward F Cassidy, Sart-Dames-Avelines, BE;
Gerhard J Bleys, Heverlee, BE;
Assignee:
Imperial Chemical Indutries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; B01D / ;
U.S. Cl.
CPC ...
521 53 ; 521159 ; 521174 ; 521918 ; 210767 ; 210735 ; 210702 ;
Abstract
Process for removing unwanted material from wanted material containing water by bringing an isocyanate-containing prepolymer into contact with the materials, allowing the prepolymer to react with the water to form a flexible foam and removing the foam obtained from the wanted material.