US2963468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization process using nitrogen fluorides
Assignee: EIDP Inc
•
Filing: 1959-05-08
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Granted: 1960-12-06
•
Expires: 1979-05-08
Abstract
No abstract record available.
Inventors
- 👤 Charles S Cleaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:13
CPC Classifications
C; C08; C08F; C08F4/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
IN A PROCESS FOR POLYMERIZING UNSATURATED MONOMERS WHICH UNDERGO ADDITION POLYMERIZATION, THE IMPROVEMENT WHEREIN THE MONOMER IS POLYMERIZED IN THE PRESENCE OF AT LEAST 0.0001% BY WEIGHT OF SAID MONOMER OF AT LEAST ONE NITROGEN FLUORIDE OF THE GROUP CONSISTING OF DINITROGEN DIFLUORIDE, DINITROGEN TETRAFLUORIDE, AND NITROGEN FLUORIDES OF THE FORMULA
Claim 2
Dependent Claim
51 words
IN A PROCESS FOR POLYMERIZING UNSATURATED MONOMERS WHICH UNDERGO ADDITION POLYMERIZATION, THE IMPROVEMENT WHEREIN THE MONOMER IS POLYMERIZED IN THE PRESENCE OF AT LEAST 0.0001% BY WEIGHT OF SAID MONOMER OF AT LEAST ONE NITROGEN FLUORIDE OF THE GROUP CONSISTING OF DINITROGEN DIFLUORIDE, DINITROGEN TETRAFLUORIDE, AND NITROGEN FLUORIDES OF THE FORMULA
References Cited (Backward Citations)
US2757167A
Cited
US2862029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |