Patent EP0151371A1 successfully refreshed from Google Patents.
US3137630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing a dry, finely divided, gelatin particle product
Assignee: Eastman Kodak Co
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Filing: 1961-06-09
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Granted: 1964-06-16
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Expires: 1981-06-09
Abstract
No abstract record available.
Inventors
- 👤 John C Hecker
- 👤 Orris D Hawks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:19
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K31/00; A61K31/59; A61K9/14; A61K9/16; A61K9/50; C; C09; C09H; C09H9/00; C09H9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A PROCESS FOR MAKING A DRY, SOLID, GELATIN PARTICLE PRODUCT, WHEREIN MOISTURE LADENED, SOLID, GELATIN PARTICLES PREPARED FROM AN AQUEOUS SOLUITON OF GELATIN ARE FORMED IN A CONFEALING LIQUID IN WHICH GELATIN IS INSOLUBLE, WHICH IS INERT UNDER THE CONDITIONS OF THIS PROCESS AND WHICH CONSISTS ESSENTIALLY OF A NONPOLAR, LOW BOILING HYDROCARBON, SEPARATED FROM THE CONGEALING LIQUID AND DRIED THE IMPROVEMENT WHICH COMPRISES: MIXING SDAID MOISTURE LADENED PARTICLES WHILE IN SAID CONFEALING LIQUID WITH A FINELY DIVIDED, SOLID, ANTI-AGGLOMERATING AGENT.
Claim 2
Dependent Claim
82 words
IN A PROCESS FOR MAKING A DRY, SOLID, GELATIN PARTICLE PRODUCT, WHEREIN MOISTURE LADENED, SOLID, GELATIN PARTICLES PREPARED FROM AN AQUEOUS SOLUITON OF GELATIN ARE FORMED IN A CONFEALING LIQUID IN WHICH GELATIN IS INSOLUBLE, WHICH IS INERT UNDER THE CONDITIONS OF THIS PROCESS AND WHICH CONSISTS ESSENTIALLY OF A NONPOLAR, LOW BOILING HYDROCARBON, SEPARATED FROM THE CONGEALING LIQUID AND DRIED THE IMPROVEMENT WHICH COMPRISES: MIXING SDAID MOISTURE LADENED PARTICLES WHILE IN SAID CONFEALING LIQUID WITH A FINELY DIVIDED, SOLID, ANTI-AGGLOMERATING AGENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |