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:
Aug. 17, 1999
Filed:
Mar. 04, 1997
Applicant:
Inventors:
Assignee:
ELF Atochem S.A., Puteaux, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; F16L / ;
U.S. Cl.
CPC ...
428413 ; 428414 ; 428418 ; 428500 ; 428515 ; 428516 ; 138145 ;
Abstract
The invention provides a coating for a metal surface comprising (i) a primer able to gel and set, (ii) an adhesive and (iii) a thermoplastic polymer, in which said adhesive contains a catalyst, as well as metal objects, particularly pipes, provided with this surface coating, and a method for applying the surface coating.