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:
Sep. 15, 1987
Filed:
Oct. 15, 1985
Applicant:
Inventors:
William J Fairchok, Saginaw, MI (US);
Ralph E Friedrich, Midland, MI (US);
Bruce P Thill, Midland, MI (US);
Mark J McKinley, Linwood, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C08L / ;
U.S. Cl.
CPC ...
525411 ; 134-6 ; 210767 ; 525417 ; 525186 ; 502402 ;
Abstract
A process for absorbing polar materials using a crosslinked polymeric composition such as poly-2-ethyloxazoline and ethyleneamine tetracetic acid. The crosslinked polymeric composition swells into a gel-like mass in the presence of polar materials to entrap them.