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:
Jan. 02, 1990
Filed:
Apr. 05, 1989
Applicant:
Inventor:
Vittorio Ciaccia, Ferrara, IT;
Assignee:
Ausimont S.r.l., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428489 ; 428515 ; 428516 ; 428517 ;
Abstract
Waterproofing sheets or membranes comprising a support constituted by or comprising a vulcanized polyolefinic rubber enclosed in a structure of sandwich type between two layers of bituminous composition selected from: (1) compositions comprising, by weight