US3849522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis((1-oxo-2,6,7-trioxa-1-phospha bicyclo(2.2.2)oct-4-yl)methyl)2,5 dibromoterephthalate
Assignee: FMC Corp
•
Filing: 1973-06-11
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Granted: 1974-11-19
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Expires: 1993-06-11
Abstract
Abstract 1. BIS((1 - OXO - 2,6,7 - TRIOXA - 1 - PHOSPHABICYCLO (2,2,2)-OCT-4-YL)METHYL) 2,5-DIBROMOTEREPHTHALATE.
Inventors
- 👤 W Hills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:02
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65748
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
BIS((1 - OXO - 2,6,7 - TRIOXA - 1 - PHOSPHABICYCLO (2,2,2)-OCT-4-YL)METHYL) 2,5-DIBROMOTEREPHTHALATE.
Claim 2
Dependent Claim
13 words
BIS((1 - OXO - 2,6,7 - TRIOXA - 1 - PHOSPHABICYCLO (2,2,2)-OCT-4-YL)METHYL) 2,5-DIBROMOTEREPHTHALATE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |