US2553544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enteric vitamin preparations
Assignee: Parke Davis and Co LLC
•
Filing: 1947-06-02
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Granted: 1951-05-22
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Expires: 1967-06-02
Abstract
No abstract record available.
Inventors
- 👤 Herman H Bogin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:06
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/14; A61K9/16; A61K9/1605; A61K9/1617; A61K9/1623; A61K31/00; A61K31/59; A61K9/1629; A61K9/1652; A61K9/1658
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A SOLID, ENTERIC THERAPEUTIC PRODUCT COMPRISING A HOMOGENEOUS MIXTURE OF GELATIN, A WATER-SOLUBLE ALKALI METAL CARBOXYLATE SALT OF A PARTIAL ESTER OF A POLYCARBOXYLIC ACID AND A CELLULOSE ESTER OF A LOWER ALIPHATIC MONOCARBOXYLIC ACID, AND A WATER-IMMISCIBLE THERAPEUTIC OIL.
Claim 2
Dependent Claim
40 words
A SOLID, ENTERIC THERAPEUTIC PRODUCT COMPRISING A HOMOGENEOUS MIXTURE OF GELATIN, A WATER-SOLUBLE ALKALI METAL CARBOXYLATE SALT OF A PARTIAL ESTER OF A POLYCARBOXYLIC ACID AND A CELLULOSE ESTER OF A LOWER ALIPHATIC MONOCARBOXYLIC ACID, AND A WATER-IMMISCIBLE THERAPEUTIC OIL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |