Patent US3429707A successfully refreshed from Google Patents.
US3429707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic sensitive materials containing morpholino alkylalkenoylamide polymers
Assignee: Fujifilm Holdings Corp
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Filing: 1965-10-04
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Granted: 1969-02-25
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Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 Yosuke Nakajima
- 👤 Daijiro Nishio
- 👤 Syu Watarai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:50
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/60; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A PHOTOGRAPHIC SENSITIVE MATERIAL COMPRISING A SUPPORT AND A SILVER HALIDE PHOTOGRAPHIC EMULSION LAYER, SAID EMULSION LAYER CONTAINING AT LEAST ONE ADDITIVE SELECTED FROM THE GROUP CONSISTING OF A POLYMER SHOWN BY THE GENERAL FORMULA
Claim 2
Dependent Claim
35 words
A PHOTOGRAPHIC SENSITIVE MATERIAL COMPRISING A SUPPORT AND A SILVER HALIDE PHOTOGRAPHIC EMULSION LAYER, SAID EMULSION LAYER CONTAINING AT LEAST ONE ADDITIVE SELECTED FROM THE GROUP CONSISTING OF A POLYMER SHOWN BY THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |