Inventor
Luigi Cellone
Inventor
Albisola Superiore, IT
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes75%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
6,197,485'Photographic assemblage comprising a silver halide photographic element sealed in a closed vessel'20015,482,820'Silver halide photographic elements containing biocides'19965,077,189'Light-sensitive silver halide photographic material'19914,477,564'Photographic silver halide emulsions, process for preparing the same and their use in color reversal films'19844,367,284'Photographic elements with improved surface characteristics'19834,357,418'Photographic elements with improved surface characteristics'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2001Patents assigned to MINNESOTA MINING & MFG (6)· patent assignee history
1982–2001Based in Albisola Superiore, IT· patent location history
1984–1991Based in Albissola Superiore, IT· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 6 | 1982–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Albisola Superiore, IT | 4 | 1982–2001 |
| Albissola Superiore, IT | 2 | 1984–1991 |