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. 12, 1977
Filed:
May. 01, 1975
Applicant:
Inventors:
Homer L Draper, Bartlesville, OK (US);
Duane W Gagle, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428245 ; 61 / ; 428286 ; 428300 ; 428301 ; 428515 ;
Abstract
A laminate is provided having sufficient strength and hydrocarbon resistance to be used as a pond liner. The laminate has at least one cohesive batt of polypropylene fiber having a weight of about 100 g/m.sup.2 to about 250 g/m.sup.2 heat bonded to at least one polyethylene film having a thickness of about 10 to about 50 mils and a density of about 0.905 to about 0.925 g/cc.