US3687667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming polymer images
Assignee: Fujifilm Holdings Corp
•
Filing: 1969-07-16
•
Granted: 1972-08-29
•
Expires: 1989-07-16
Abstract
Abstract A PROCESS FOR FORMING A POLYMER IMAGE WHICH COMPRISES APPLYING TO A PHOTOGRAPHIC SILVER HALIDE EMULSION LAYER BEARING A PHOTOGRAPHIC LATENT IMAGE AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF METAPHENYLENEDIAMINE, 1,8-DIAMINONAPHTHALENE, 2,7-DIAMINONAPHTHALENE, AND DERIVATIVES OF THE DIAMINONAPHTHALENES IN THE PRESENCE OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ADDITION-POLYMERIZABLE VINYLIDENE MONOMER AND A VINYL MONOMER AND CONDUCTING THE POLYMERIZATION OF SAID MONOMER SELECTIVELY AT THE LATENT IMAGEBEARING PORTION OF SAID EMULSION LAYER.
Inventors
- 👤 Yoshihide Hayakawa
- 👤 Masato Satomura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:22
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/0285
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |