Inventor
Frank A. Pettrone
Inventor
Rochester, NY, 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%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests27%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture13%
G03GElectrography13%
C12NMicroorganisms or enzymes7%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%
PatentTitleYear
6,096,489'Color developing composition and method of use in photoprocessing'20005,935,771'Method of processing a silver halide photographic element which reduces fog'19995,811,226'Method of processing a silver halide photographic element which reduces fog'19985,786,134'Motion picture print film'19985,753,402'Method for recording and processing motion picture film soundtrack'19985,240,835'Methods for enzymatically preparing polymerizable monomers'19935,114,850'Methods for preparing acetate esters of diols and polyols using corynebacterium oxydans in substantially aqueous media'19925,100,754'Coated carrier particles and electrographic developers containing them'19925,061,593'Coated carrier particles for electrographic developers'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2000Patents assigned to EASTMAN KODAK CO (8)· patent assignee history
1991–2000Based in Rochester, NY, US· patent location history
1993Patents assigned to GENENCOR INT (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EASTMAN KODAK CO | 8 | 1991–2000 |
| GENENCOR INT | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rochester, New York, US | 9 | 1991–2000 |