US3071508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions for oral administration in unit dosage form for prophylaxis and treatment of poison ivy and poison sumac dermatitis
Assignee: Individual
•
Filing: 1958-06-26
•
Granted: 1963-01-01
•
Expires: 1978-06-26
Abstract
No abstract record available.
Inventors
- 👤 Margaret B Strauss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:03
CPC Classifications
A; A61; A61K; A61K36/00; A61K36/18; A61K36/185; A61K36/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A COMPOSITION OF MATTER FOR ORAL ADMINISTRATION IN UNIT DOSAGE SOLID FORM FOR PROPHYLAXIS AND TREATMENT OF CONTACT DERMATITIS CAUSED BY POISON IVY AND POISON SUNMAC COMPRISING A MAJOR PROPORTION OF SUBSTANTIALLY INERT ESSENTIALLY WATER-INSOLUBLE SOLID PHARMACEUTICAL CARRIER SELECTED FROM THE GROUP CONSISTING OF INFUSORIAL EARTH, TERRA ALBA AND TALC AND, AS THE ACTIVE INGREDIENT, A DRY SOLID OLEO-RESIN PYRDINE ALUM COMPLEX OBTAINED BY PYRIDINE EXTRACTION OF SHREDDED POISON IVY POISON SUMAC PLANTS FOLLOWED BY PRECIPITATION OF A SOLID FROM SAID EXTRACT BY ADDITION OF AQUEOUS ALUM SOLUTION, SEPARATION OF SAID SOLID, WASHING AND DRYIN TO OBTAIN SAID COMPLEX, SAID COMPLEX BEING PRESENT IN AN AMOUNT OF ABOUT 0.6 MILLIGRAM PER UNIT DOSAGE.
Claim 2
Dependent Claim
113 words
A COMPOSITION OF MATTER FOR ORAL ADMINISTRATION IN UNIT DOSAGE SOLID FORM FOR PROPHYLAXIS AND TREATMENT OF CONTACT DERMATITIS CAUSED BY POISON IVY AND POISON SUNMAC COMPRISING A MAJOR PROPORTION OF SUBSTANTIALLY INERT ESSENTIALLY WATER-INSOLUBLE SOLID PHARMACEUTICAL CARRIER SELECTED FROM THE GROUP CONSISTING OF INFUSORIAL EARTH, TERRA ALBA AND TALC AND, AS THE ACTIVE INGREDIENT, A DRY SOLID OLEO-RESIN PYRDINE ALUM COMPLEX OBTAINED BY PYRIDINE EXTRACTION OF SHREDDED POISON IVY POISON SUMAC PLANTS FOLLOWED BY PRECIPITATION OF A SOLID FROM SAID EXTRACT BY ADDITION OF AQUEOUS ALUM SOLUTION, SEPARATION OF SAID SOLID, WASHING AND DRYIN TO OBTAIN SAID COMPLEX, SAID COMPLEX BEING PRESENT IN AN AMOUNT OF ABOUT 0.6 MILLIGRAM PER UNIT DOSAGE.
References Cited (Backward Citations)
US2456750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |