Inventor
Philip L. Keogh
Inventor
Pittsford, NY, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds29%
G02BOptical elements, systems or apparatus29%
G03CPhotosensitive materials for photographic purposes29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
4,735,976'Protective overcoat for photographic elements'19884,612,279'Protective overcoat for photographic elements'19864,260,725'Hydrophilic contact lens made from polysiloxanes which are thermally bonded to polymerizable groups and which contain hydrophilic sidechains'19814,259,467'Hydrophilic contact lens made from polysiloxanes containing hydrophilic sidechains'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to BAUSCH & LOMB (2)· patent assignee history
1981–1988Based in Pittsford, NY, US· patent location history
1986–1988Patents assigned to EASTMAN KODAK CO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAUSCH & LOMB | 2 | 1981 |
| EASTMAN KODAK CO | 2 | 1986–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsford, New York, US | 4 | 1981–1988 |