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:
May. 23, 1989
Filed:
Dec. 02, 1987
Applicant:
Inventors:
Gianfranco Boccalon, Monterotondo, IT;
Alberto Pelacani, Monterotondo, IT;
Giuseppe Tigani, Rome, IT;
Aldo Brancaccio, Cremona, IT;
Assignees:
Eniricerche S.p.A., Milan, IT;
Enichem Anic S.p.A., Palermo, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
4273881 ; 264135 ; 428447 ; 428448 ; 428450 ; 148 / ;
Abstract
A tough and long-lasting adhesion of polyolefins to metal substrates is realized by means of a process comprising the following four process steps, carried out in succession: