Alberto Valsecchi has been granted 14 US patents while listed as an inventor at 3M . The first was granted in 1981 and the most recent in February 2002. Alberto Valsecchi ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Alberto Valsecchi in Ferrania, MN, IT.
Patents per Year Patents granted per year, 1981 to 2002 Bar chart with a peak of 2 patents in 1996. peak 2 1981: 1 patents 1981 1984: 1 patents 1986: 1 patents 1986 1990: 1 patents 1995: 1 patents 1995 1996: 2 patents 1997: 1 patents 1997 1998: 1 patents 1999: 1 patents 1999 2000: 1 patents 2001: 2 patents 2001 2002: 1 patents 2002
Issued Patents All Time
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Showing 1–14 of 14 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6348305 Photographic element with a layer improving the adhesion to the support base Paola Puppo , Carlo Barlocco 2002-02-19
6300048 Photographic element with a layer improving the adhesion to the support Paola Puppo , Carlo Barlocco 2001-10-09
6261752 Alkaline soluble mixture composed of cellulose derivatives Paola Puppo , Carlo Barlocco , Luisa Tavella 2001-07-17
6063556 Radiographic material with improved antistatic properties utilizing colloidal vanadium oxide Renzo Torterolo 2000-05-16
$19,630,000
5914222 Photographic element comprising antistatic layer Eric D. Morrison , Paola Puppo , Elio Martino , William L. Kausch , Renzo Torterolo 1999-06-22
$26,172,000
5709985 Photographic element comprising antistatic layer Eric D. Morrison , Paola Puppo , Elio Martino , William L. Kausch , Renzo Torterolo 1998-01-20
$17,263,000
5604083 Antistatic film bases and photographic elements comprising said antistatic film bases Giorgio Spazzapan , Renzo Torterolo , Soonkun Kang 1997-02-18
$15,849,000
5529893 Photographic elements comprising antistatic layers Elio Martino , Paola Puppo , Eric D. Morrison 1996-06-25
$10,612,000
5484693 Photographic elements comprising antistatic film bases Omar Farooq 1996-01-16
$18,513,000
5439785 Photographic elements comprising antistatic layers of vanadium pentoxide, epoxy-silane, and sulfopolymer David R. Boston , William L. Kausch , Elio Martino , Eric D. Morrison 1995-08-08
$6,496,000
4914018 Antistatic photographic base and light-sensitive element Mauro Besio 1990-04-03
$5,294,000
4582782 Antistatic photographic multi-layer base having a hydrophilic and hydrophoetic layer — 1986-04-15
$3,723,000
4424273 Subbing polyester support bases and photographic film comprising said improved support bases Simone Franco 1984-01-03
$12,538,000
4262088 Photographic material having a removable antihalo layer Angelo Vallarino 1981-04-14
$3,864,000
