US2886487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium salt and n-thiotrichloromethyl hydantoin vaginal composition
Assignee: Ortho Pharmaceutical Corp
•
Filing: 1955-08-22
•
Granted: 1959-05-12
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Expires: 1975-08-22
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Kupferberg
- 👤 Heron O Singher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:57
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/185; A61K31/205; C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A FUNGICIDAL COMPOSITION COMPRISING IN COMBINATION A NON-TOXIC AND NON-IRRITATING SURFACE-ACTIVE QUATERNARY AMMONIUM SALT AND A N-THIOTRICHLOROMETHYL HYDANTOIN OF THE FORMULA
Claim 2
Dependent Claim
21 words
A FUNGICIDAL COMPOSITION COMPRISING IN COMBINATION A NON-TOXIC AND NON-IRRITATING SURFACE-ACTIVE QUATERNARY AMMONIUM SALT AND A N-THIOTRICHLOROMETHYL HYDANTOIN OF THE FORMULA
References Cited (Backward Citations)
US2553770A
Cited
US2689814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |