Patent US2526683A successfully refreshed from Google Patents.
US2526683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methyl cellulose capsules and process of manufacture
Assignee: Eli Lilly and Co
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Filing: 1946-04-13
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Granted: 1950-10-24
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Expires: 1966-04-13
Abstract
No abstract record available.
Inventors
- 👤 Hubert W Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:33
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07; A61J3/071; A61J3/077
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A TELESCOPING MEDICINAL CAPSULE, THE SUBSTANCE OF WHICH COMPRISES A THERMO-GELLED FILM OF A WATER-SOLUBLE METHYL CELLULOSE HAVING A METHOXYL CONTENT OF ABOUT 25 TO ABOUT 35 PERCENT AND AN INTRINSIC VISOCITY OF ABOUT 7 TO ABOUT 15 CENTIPOISES.
Claim 2
Dependent Claim
39 words
A TELESCOPING MEDICINAL CAPSULE, THE SUBSTANCE OF WHICH COMPRISES A THERMO-GELLED FILM OF A WATER-SOLUBLE METHYL CELLULOSE HAVING A METHOXYL CONTENT OF ABOUT 25 TO ABOUT 35 PERCENT AND AN INTRINSIC VISOCITY OF ABOUT 7 TO ABOUT 15 CENTIPOISES.
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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) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |