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. 17, 1988
Filed:
Feb. 21, 1986
Applicant:
Inventors:
Franco Piacenti, Firenze, IT;
Adolfo Pasetti, Milan, IT;
Ugo Matteoli, Firenze, IT;
Ezio Strepparola, Bergamo, IT;
Assignee:
Ausimont S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
4273935 ; 4273855 ; 428540 ;
Abstract
A process for protecting manufactured structures or articles of marble, stones, tiles, cement and the like from the action of polluting and atmospheric agents, by applying a perfluoropolyether onto the surface of the manufactured structure or article, characterized in that there is utilized a perfluoropolyether having at one or both its ends functional groups selected from carboxylic, ester or amidic groups.