US3099602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing gum acacia pharmaceutical vehicle
Assignee: Eastman Kodak Co
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Filing: 1961-05-09
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Granted: 1963-07-30
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Expires: 1981-05-09
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:20
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/14; A61K9/16; A61K31/00; A61K31/33; A61K31/335; A61K31/35; A61K31/352; A61K31/353; A61K31/355; A61K31/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A PROCESS FOR PREPARING A DRY, FINELY DIVIDED, SOLID PRODUCT CONTAINING A WATER-INSOLUBLE, WATER DISPERSIBLE COMPOSITION, WHICH COMPRISES: FORMING IN A SOLUTION CONSISTING ESSENTIALLY OF GUM ACACIA AND WATER A DISPERSION OF SAID COMPOSITION, THE WATER CONCENTRATION OF SAID DISPERSION BEING IN A RANGE FROM ABOUT 30 TO ABOUT 60 PERCENT BY WEIGHT OF SAID DISPERSION; REDUCING THE WATER CONCENTRATION OF SAID DISPERSION BY ADMIXING WITH SAID DISPERSION DRY, FINELY DIVIDED GUM ACACIA IN SUFFICIENT QUANTITY TO FORM A PLAASTIC DOUGH; FORMING SAID PLASTIC DOUGH INTO A THIN SHAPE; DRYING SAID THIN SHAPE WITH AIR AT A TEMPERATURE IN A RANGE FROM ABOUT 100 TO ABOUT 212* F., WHEREBY DRY STOCK IS FORMED; AND COMMINUTING SAID DRY STOCK.
Claim 2
Dependent Claim
118 words
A PROCESS FOR PREPARING A DRY, FINELY DIVIDED, SOLID PRODUCT CONTAINING A WATER-INSOLUBLE, WATER DISPERSIBLE COMPOSITION, WHICH COMPRISES: FORMING IN A SOLUTION CONSISTING ESSENTIALLY OF GUM ACACIA AND WATER A DISPERSION OF SAID COMPOSITION, THE WATER CONCENTRATION OF SAID DISPERSION BEING IN A RANGE FROM ABOUT 30 TO ABOUT 60 PERCENT BY WEIGHT OF SAID DISPERSION; REDUCING THE WATER CONCENTRATION OF SAID DISPERSION BY ADMIXING WITH SAID DISPERSION DRY, FINELY DIVIDED GUM ACACIA IN SUFFICIENT QUANTITY TO FORM A PLAASTIC DOUGH; FORMING SAID PLASTIC DOUGH INTO A THIN SHAPE; DRYING SAID THIN SHAPE WITH AIR AT A TEMPERATURE IN A RANGE FROM ABOUT 100 TO ABOUT 212* F., WHEREBY DRY STOCK IS FORMED; AND COMMINUTING SAID DRY STOCK.
References Cited (Backward Citations)
US2940900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |