US3138585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain bis-3, 9-(1-aziridinyl)-2, 4, 8, 10-tetraoxa-3, 9-diphosphaspiro [5. 5] undecane compounds
Assignee: Olin Corp
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Filing: 1962-04-20
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Granted: 1964-06-23
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Expires: 1982-04-20
Abstract
No abstract record available.
Inventors
- 👤 Rudi F W Ratz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:46
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/487; C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/553; C07F9/564; C07F9/6564; C07F9/6571; C07F9/657154; C08; C08G; C08G73/00; C08G73/02; C08G73/0246; Y; Y10; Y10S; Y10S424/00; Y10S424/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
ORGANIC PHOSPHORUS COMPOUNDS CONTAINING BIS3,9-(1-AZIRIDINYL)-2,4,8,10-TETRAOXA - 3,9 - DIPHOSPHASPIRO (5.5)UNDECANE UNTI AND HAVING THE FORMULA
Claim 2
Dependent Claim
15 words
ORGANIC PHOSPHORUS COMPOUNDS CONTAINING BIS3,9-(1-AZIRIDINYL)-2,4,8,10-TETRAOXA - 3,9 - DIPHOSPHASPIRO (5.5)UNDECANE UNTI AND HAVING THE FORMULA
References Cited (Backward Citations)
US2802823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |