US3352678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diffusion transfer photographic materials
Assignee: Fujifilm Holdings Corp
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Filing: 1963-09-24
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Granted: 1967-11-14
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Expires: 1983-09-24
Abstract
No abstract record available.
Inventors
- 👤 Nishio Fumihiko
- 👤 Oi Reiichi
- 👤 Tajima Tatsuya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:19
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02; C07D257/04; G; G03; G03C; G03C8/00; G03C8/24; G03C8/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A DIFFUSION TRANSFER PHOTOGRAPHIC COMPOSITION CONTAINING A FIRST MEMBER SELECTED FROM THE GROUP CONSISTING OF A LIGHT SENSITIVE SILVER HALIDE COMPOSITION, AN IMAGE RECEIVING COMPOSITION, AND A DEVELOPER; THE IMPROVEMENT COMPRISING AT LEAST ONE TONER HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF F WHEREIN R REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF A LOWER ALKYL GROUP, HYDROGEN, AND A HALOGEN ATOM; Y REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
76 words
IN A DIFFUSION TRANSFER PHOTOGRAPHIC COMPOSITION CONTAINING A FIRST MEMBER SELECTED FROM THE GROUP CONSISTING OF A LIGHT SENSITIVE SILVER HALIDE COMPOSITION, AN IMAGE RECEIVING COMPOSITION, AND A DEVELOPER; THE IMPROVEMENT COMPRISING AT LEAST ONE TONER HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF F WHEREIN R REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF A LOWER ALKYL GROUP, HYDROGEN, AND A HALOGEN ATOM; Y REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |