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. 16, 2001
Filed:
Mar. 16, 2000
Applicant:
Inventor:
Joachim Merziger, Evreux, FR;
Assignee:
Atofina, Puteaux, FR;
Primary Examiner:
Int. Cl.
CPC ...
F16L 1/104 ;
U.S. Cl.
CPC ...
F16L 1/104 ;
Abstract
The invention relates to a tube comprising an inner layer and an outer layer, the inner layer comprising a polyamide or a polyamide/polyolefin blend having a polyamide matrix, this inner layer being filled with electrically conductive carbon black (electro.C), the outer layer comprising a polyamide. These tubes are particularly impermeable to any petrol containing alcohol.