Inventor
William R. Schleigh
Inventor
Rochester, NY, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes55%
C07DHeterocyclic compounds27%
A01NPreservation of bodies of humans or animals or plants or parts thereof18%
PatentTitleYear
5,972,574'Photographic element containing magenta coupler having improved manufacturability and dye light stability'19995,605,787'3-anilino pyrazolone magenta couplers and process'19975,561,037'Photographic elements containing magenta dye forming couplers and fade reducing compounds'19965,491,054'Photographic elements containing 2-equivalent pyrazolone magenta dye forming couplers and stabilizing compounds'19965,484,696'Photographic elements containing 2-equivalent pyrazolone magenta dye forming couplers and fade reducing compounds'19965,447,830'3-anilino pyrazolone magenta couplers and process'19955,183,894'2-substituted-1-hydroxyindoles'19935,118,695'1-hydroxyindole fungicides'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1999Patents assigned to EASTMAN KODAK CO (8)· patent assignee history
1992–1997Based in Brockport, NY, US· patent location history
1996–1999Based in Rochester, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EASTMAN KODAK CO | 8 | 1992–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rochester, New York, US | 4 | 1996–1999 |
| Brockport, New York, US | 4 | 1992–1997 |