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:
Jul. 20, 2010
Filed:
Jan. 29, 2003
Applicants:
Andreas Seyler, Gruendau-Lieblos, DE;
Michael Schieb, Schoellkrippen, DE;
Martin Ehret, Freigericht, DE;
Thorsten Desch, Gelnhausen-Höchst, DE;
Inventors:
Andreas Seyler, Gruendau-Lieblos, DE;
Michael Schieb, Schoellkrippen, DE;
Martin Ehret, Freigericht, DE;
Thorsten Desch, Gelnhausen-Höchst, DE;
Assignee:
Veritas AG, Glenhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a multilayer pipe or hose, in particular a plastic pipe, comprising at least one polyester barrier layer and at least one additional protective layer, the additional protective layer being a polyethylene layer, in particular a HDPE layer, and the barrier layer and the protective layer being are interconnected via at least one adhesion promoter layer.