US3243295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for developing color film with sound record
Assignee: Eastman Kodak Co
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Filing: 1963-08-19
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Granted: 1966-03-29
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Expires: 1983-08-19
Abstract
No abstract record available.
Inventors
- 👤 Howard W Vogt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:54
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/22; G03C7/24; G03C7/30; G03C7/407; G03C7/413; Y; Y10; Y10S; Y10S430/00; Y10S430/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN THE DEVELOPMENT OF A MULTICOLOR FILM HAVING A SILVER SOUND IMAGE AREA AND HAVING INCORPORATED IN THE EMULSION LAYER A DISPERSION OF COLOR COUPLER DISSOLVED IN COUPLER SOLVENT, THE IMPROVEMENT WHICH COMPRISES CONTACTING THE SOUND TRACK AREA OF THE FILM SUBSEQUENT TO INITIAL BLACK-AND-WHITE DEVELOPMENT, AND PRIOR TO COLOR DEVELOPMENT, WITH A QUATERNARY AMMONIUM COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
59 words
IN THE DEVELOPMENT OF A MULTICOLOR FILM HAVING A SILVER SOUND IMAGE AREA AND HAVING INCORPORATED IN THE EMULSION LAYER A DISPERSION OF COLOR COUPLER DISSOLVED IN COUPLER SOLVENT, THE IMPROVEMENT WHICH COMPRISES CONTACTING THE SOUND TRACK AREA OF THE FILM SUBSEQUENT TO INITIAL BLACK-AND-WHITE DEVELOPMENT, AND PRIOR TO COLOR DEVELOPMENT, WITH A QUATERNARY AMMONIUM COMPOUND HAVING THE FORMULA:
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |