US3081233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enteric-coated pilules
Assignee: Pharmacia and Upjohn Co
•
Filing: 1960-08-08
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Granted: 1963-03-12
•
Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Walter F Enz
- 👤 Thurlow E King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/50; A61K9/5073; A61K9/5078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AN ORAL PHARMACEUTICAL PREPARATION CONSISTING A PLURALITY OF ENTERIC-COATED PLULES EACH OF WHICH MEASURES NOT MORE THAN ABOUT 0.1 INCH IN DIAMETER, IS SPHERICAL, AND HAS A UNIFORM THICKNESS OF ENTERIC COATING AND COMPRISES (A) A MEDICINAL AGENT AND (B) A COATING OF A SINGLE NON-TOXIC, ACIDIC, ENTERIC FILM-FORMING MATERIAL SURROUNDING SAID AGENT, THE PLURALITY PROVIDING A UNIT DOSE OF THE MEDICINAL AGENT.
Claim 2
Dependent Claim
63 words
AN ORAL PHARMACEUTICAL PREPARATION CONSISTING A PLURALITY OF ENTERIC-COATED PLULES EACH OF WHICH MEASURES NOT MORE THAN ABOUT 0.1 INCH IN DIAMETER, IS SPHERICAL, AND HAS A UNIFORM THICKNESS OF ENTERIC COATING AND COMPRISES (A) A MEDICINAL AGENT AND (B) A COATING OF A SINGLE NON-TOXIC, ACIDIC, ENTERIC FILM-FORMING MATERIAL SURROUNDING SAID AGENT, THE PLURALITY PROVIDING A UNIT DOSE OF THE MEDICINAL AGENT.
References Cited (Backward Citations)
GB428941A
Cited
DE644759C
Cited
US2553544A
Cited
US2553806A
Cited
GB715305A
Cited
US2738303A
Cited
US2866735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |