Inventor
George F. Van Veelen
Inventor
Mortsel, BE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes58%
C07DHeterocyclic compounds8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C09HPreparation of glue or gelatine8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
4,216,108'Hardening solution for proteinaceous materials'19804,201,585'Photographic bleach compositions containing bleach-accelerating compounds'19804,187,114'Hardening proteinaceous materials'19804,181,529'Hardening of proteinaceous materials'19804,123,281'Photographic silver halide color material containing fast-acting hardener and 2-pyrazolin-5-one coupler precursors'19784,111,697'Novel antifogging and/or stabilizing compounds for silver halide photography'19784,013,471'Development of photographic silver halide elements'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1980Patents assigned to AGFA GEVAERT NV (7)· patent assignee history
1977–1980Based in Mortsel, BE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGFA GEVAERT NV | 7 | 1977–1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mortsel, BE | 7 | 1977–1980 |