US2614119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibition of polymerization of acrylonitrile
Assignee: Monsanto Chemicals Ltd
•
Filing: 1951-04-09
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Granted: 1952-10-14
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Expires: 1971-04-09
Abstract
No abstract record available.
Inventors
- 👤 William T Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:10
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
THE METHOD OF INHIBITING THE POLYMERIZATION OF ACRYLONITRILE WHICH COMPRISES INCORPORATING THEREWITH FROM ABOUT 0.5 TO 1000 PARTS PER MILLION OF HYDROQUINONE MONOBENZYL ETHER.
Claim 2
Independent Claim
24 words
THE METHOD OF INHIBITING THE POLYMERIZATION OF ACRYLONITRILE WHICH COMPRISES INCORPORATING THEREWITH FROM ABOUT 0.5 TO 1000 PARTS PER MILLION OF HYDROQUINONE MONOBENZYL ETHER.
References Cited (Backward Citations)
US2481080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |