Inventor
Wolfgang Lassig
Inventor
Munich, DE
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes38%
C07DHeterocyclic compounds29%
C07CAcyclic or carbocyclic compounds17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
4,436,810'Color-photographic recording material containing non-diffusing electron donor precursor compounds'19844,371,604'Photographic material suited for use in diffusion transfer photography'19834,369,243'Photographic recording material for diffusion processes and useful non-diffusing sulfilimine compounds'19834,366,240'Color photographic recording material containing non-diffusing electron donor precursor compounds'19824,275,200'Process for the production of oxazolinone-2-compounds'19814,204,867'Process for the production of color photographic images using new white coupler substances'19804,183,752'Light-sensitive photographic material'19804,059,447'Photographic material containing oxazolinone-2 couplers'19774,052,213'Light-sensitive photographic material'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1984Patents assigned to AGFA GEVAERT AG (8)· patent assignee history
1977–1984Based in Munich, DE· patent location history
1983Patents assigned to AGFA GEVAERT NV (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGFA GEVAERT AG | 8 | 1977–1984 |
| AGFA GEVAERT NV | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Munich, DE | 9 | 1977–1984 |