US2638434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tetrachloroglycoluril derivatives as chlorine liberators in ointments
Assignee: United States Department of the Navy
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Filing: 1943-04-17
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Granted: 1953-05-12
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Expires: 1963-04-17
Abstract
No abstract record available.
Inventors
- 👤 Homer B Adkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:17
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/005; A61K; A61K47/00; A61K47/06; A61K47/08; A61K47/12; A61K47/14; A61K47/30; A61K47/36; A61K47/38; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/494; A61K9/00; A61K9/0012; A61K9/0014; A61K2800/00; A61K2800/20; A61K2800/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AN OINTMENT COMPRISING A CHLORAMIDE DISPERSED IN AN ANHYDROUS UNGUENTARY BASE, SAID CHLORAMIDE INCLUDING A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
19 words
AN OINTMENT COMPRISING A CHLORAMIDE DISPERSED IN AN ANHYDROUS UNGUENTARY BASE, SAID CHLORAMIDE INCLUDING A COMPOUND HAVING THE FORMULA:
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) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |