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:
Mar. 17, 1998
Filed:
Jun. 11, 1996
Applicant:
Inventors:
Jean Frechet, Ithaca, NY (US);
Frantisek Svec, Ithaca, NY (US);
Assignee:
Cornell Research Foundation, Inc., Ithaca, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B01D / ;
U.S. Cl.
CPC ...
4283105 ; 210635 ; 210656 ; 2101982 ; 2105021 ;
Abstract
Porous polymeric matrix materials in the form of an integral body having a property gradient selected from any of pore size distribution, chemical composition or a combination thereof are disclosed along with a process for making the same.