US2805160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Translucent paper
Assignee: Eastman Kodak Co
•
Filing: 1953-02-09
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Granted: 1957-09-03
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Expires: 1973-02-09
Abstract
No abstract record available.
Inventors
- 👤 William H Griggs
- 👤 Salo Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:37
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/775; G03C1/785
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN THE PROCESS OF PREPARING A TRANSLUENT PAPER FOR PHOTOGRAPHIC PURPOSES, THE STEPS WHICH COMPRISE COATING ONE SIDE OF THE PAPER WITH A COATING COMPRISING A MIXTURE OF POLYMERIZED A-METHYL STYRENE AND A PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF DIOCTYL PHTHALATE, DIBUTYL PHTHLATE AND DIBUTYL SEBACATE AT A TEMPERATURE WITHIN THE RANGE OF 200-225*F., PASSING THE COATED PAPER BETWEEN HEATED ROLLERS AT A TEMPERATURE WITHIN THE RANGE OF 200-225*F. AND COATING THE PAPER WITH A PHOTOGRAPHIC EMULSION CONTAINING LIGHT-SENSITIVE SILVER SALTS.
Claim 2
Dependent Claim
82 words
IN THE PROCESS OF PREPARING A TRANSLUENT PAPER FOR PHOTOGRAPHIC PURPOSES, THE STEPS WHICH COMPRISE COATING ONE SIDE OF THE PAPER WITH A COATING COMPRISING A MIXTURE OF POLYMERIZED A-METHYL STYRENE AND A PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF DIOCTYL PHTHALATE, DIBUTYL PHTHLATE AND DIBUTYL SEBACATE AT A TEMPERATURE WITHIN THE RANGE OF 200-225*F., PASSING THE COATED PAPER BETWEEN HEATED ROLLERS AT A TEMPERATURE WITHIN THE RANGE OF 200-225*F. AND COATING THE PAPER WITH A PHOTOGRAPHIC EMULSION CONTAINING LIGHT-SENSITIVE SILVER SALTS.
References Cited (Backward Citations)
US2537111A
Cited
US2635970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |