Inventor
Charles I. Sullivan
Inventor
Melrose, MA, US
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 purposes33%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy33%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
G03GElectrography8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
4,547,451'Hydrolyzable diffusion control layers in photographic products'19854,426,481'Polymeric matrix containing .beta.-eliminating polymer and process for preparing same'19844,297,431'Diffusion control layers in diffusion transfer photographic products'19814,232,099'Novel battery assembly'19804,201,587'Graft copolymers as diffusion control layers in photographic diffusion transfer products'19804,150,200'Flat battery with novel slurry form electrode'19794,140,680'2-Acrylamido-2-methylpropane sulfonic acid vinyl aminimide/copolymer'19794,001,467'Method for producing zinc anode'19773,954,506'Zinc anode and composition and method for producing same'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1984Patents assigned to POLAROID CORP (8)· patent assignee history
1976–1985Based in Melrose, MA, US· patent location history
1985Patents assigned to POLAROID CORP PATENT DEPT (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POLAROID CORP | 8 | 1976–1984 |
| POLAROID CORP PATENT DEPT | 1 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Melrose, Massachusetts, US | 9 | 1976–1985 |