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:
Apr. 03, 2001
Filed:
Aug. 28, 2000
Applicant:
Inventors:
Henry S. Hsich, Rochester Hills, MI (US);
Dean T. Su, Princeton Junction, NJ (US);
Assignee:
Hybritech Polymers, Mercerville, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
F16L 1/104 ;
U.S. Cl.
CPC ...
F16L 1/104 ;
Abstract
A multi-layer assembly for fluid and vapor handling and containment systems. The multi-layer assembly comprises an extrudable inner layer of a polymeric material, a first layer of multiphase polymer surrounding the inner layer, a permeation resistance layer of polymeric material surrounding the first layer of multiphase polymer and a second layer of multiphase polymer surrounding the permeation resistance layer.