Inventor
Theofiel H. Ghys
Inventor
Kontich, BE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes100%
PatentTitleYear
4,686,170'Photographic silver complex diffusion transfer reversal process under yellow safelight'19874,202,695'Photographic Lippmann emulsions'19804,132,551'High temperature processing of photographic silver halide material'19793,980,481'Direct-positive super-sensitized silver halide emulsions'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1987Patents assigned to AGFA GEVAERT NV (4)· patent assignee history
1976–1987Based in Kontich, BE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGFA GEVAERT NV | 4 | 1976–1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kontich, BE | 4 | 1976–1987 |