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:
Oct. 11, 1994
Filed:
Nov. 15, 1993
Applicant:
Inventor:
Dilip R Abayasekara, Newark, DE (US);
Assignee:
W. L. Gore & Associates, Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
428 366 ; 428138 ; 428272 ; 428290 ; 428422 ; 21050021 ; 21050023 ; 21050042 ; 21050036 ; 524503 ; 525 56 ; 525 57 ; 525 60 ;
Abstract
A fluid filtration material made of a porous substrate, e,g. a membrane or a fabric that is coated with a fluorinated copolymer that contains recurring vinyl alcohol units to impart hydrophilicity. The material is crosslinked with multifunctional epoxides to maintain hydrophilicity on exposure to heat or solvent.
Abayasekara, Dilip. (1994). Hydrophilic compositions with increased thermal and solvent resistance (U.S. Patent No. 5354587). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5354587
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile