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:
Feb. 26, 2002
Filed:
Feb. 17, 1998
Applicant:
Inventors:
Yves Germain, Serquigny, FR;
Jean-Luc Beal, Voisins-le-Bretonneux, FR;
Christophe Le Roy, Evreux, FR;
Assignee:
Elf Atochem S.A., Puteaux, FR;
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/732 ;
U.S. Cl.
CPC ...
B32B 2/732 ;
Abstract
A gas-impermeable elastic membrane including a co-polymeric gas-impermeable film including OH groups, positioned between two layers of a co-polymer containing blocks of polyamides and of polyesters, with a rubber coating on at least one of the two layers, as well as a method of manufacturing the membrane.
Germain, Yves. (2002). Gas-impermeable elastic membrane and hydropnematic accumulator equipped with this measure (U.S. Patent No. 6350529). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6350529
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile