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:
Nov. 25, 1997
Filed:
Apr. 16, 1996
Dario Ballerini, Genoa, IT;
Marco Notini, Genova Pegli, IT;
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
Photographic film sheet picking-up device in a feeding apparatus for feeding such sheets from a station containing at least one sheet to a following station, such as a transport or processing station where the film sheets are to be processed one at a time, wherein such sheet picking-up device comprises rubber suction cups containing at least one antistatic compound selected within the group consisting of a) a metal salt selected within the group consisting of perfluoroalkylsulfonylmethide compounds and perfluoroalkylsulfonylimide compounds, b) a perfluoroalkyl(ene)polyoxyethylene non-ionic type surfactant, c) a modified polyoxyethylenepolysiloxane type surfactant, and a mixture of such compounds.