Inventor
Charles G. Barlow
Inventor
St. Paul, MN, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests30%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments20%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%
PatentTitleYear
5,922,527'Image toners for silver halide photographic films'19995,556,742'Noble metal complexes to sensitize silver halide emulsions'19965,041,550'Infra-red sensitizing dyes for silver halide'19915,032,486'Method for forming printing plates and plate-making element'19914,959,294'Infra-red sensitising dyes for silver halide'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1996Patents assigned to MINNESOTA MINING & MFG (4)· patent assignee history
1990–1999Based in St. Paul, MN, US· patent location history
1999Patents assigned to IMATION CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 4 | 1990–1996 |
| IMATION CORP | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Paul, Minnesota, US | 5 | 1990–1999 |