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. 26, 1995
Filed:
Mar. 07, 1994
Applicant:
Inventor:
John Krupey, Glen Rock, NJ (US);
Assignee:
Affinity Technology, Inc., , NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
530421 ; 5253274 ; 5253276 ; 525380 ; 525382 ; 525420 ; 530418 ;
Abstract
There is provided water insoluble cross-linked polyhydroxy polycarboxylic acid having at least two strands each having a strand skeleton of the formula: ##STR1## wherein one carbonyl group of at least one maleoyl moiety thereof in each strand is covalently linked to a