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US2889252A
Expired / Lapsed
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Gelatin capsule containing hexylresorcinol and a lower polyalkylene glycol
Assignee: Wyeth Holdings LLC
•
Filing: 1956-05-14
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Granted: 1959-06-02
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Expires: 1976-05-14
Abstract
No abstract record available.
Inventors
- 👤 Valentine William
- 👤 Stearns Carl Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:35
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/045; A61K31/05; A61K9/00; A61K9/48; A61K9/4841; A61K9/4858
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A DOSAGE UNIT FORM OF HEXYLRESORCINOL SUITABLE FOR ORAL ADMINISTRATION COMPRISING A GELATIN CAPSULE CONTAINING FROM ABOUT 10 TO 1000 MILLIGRAMS OF HEXYLRESORCINOL DISSOLVED IN A NON-TOXIC, LIQUID LOWER POLYALKYLENE GLYCOL AT A CONCENTRATION OF FROM ABOUT 10 PERCENT TO 75 PERCENT BY WEIGHT.
Claim 2
Dependent Claim
44 words
A DOSAGE UNIT FORM OF HEXYLRESORCINOL SUITABLE FOR ORAL ADMINISTRATION COMPRISING A GELATIN CAPSULE CONTAINING FROM ABOUT 10 TO 1000 MILLIGRAMS OF HEXYLRESORCINOL DISSOLVED IN A NON-TOXIC, LIQUID LOWER POLYALKYLENE GLYCOL AT A CONCENTRATION OF FROM ABOUT 10 PERCENT TO 75 PERCENT BY WEIGHT.
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) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |