US3441518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Difluoroamino epoxy alkane or cycloalkane and polymers thereof
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1962-01-18
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Granted: 1969-04-29
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Expires: 1982-01-18
Abstract
No abstract record available.
Inventors
- 👤 Eugene L Stogryn
- 👤 Perry A Argabright
- 👤 Ralph J Leary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:09
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/22; C08G65/223; C08G65/226; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105; C07; C07D; C07D303/00; C07D303/02; C07D303/36; Y; Y10; Y10S; Y10S149/00; Y10S149/119
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A DIFLUORAMINO EPOXY ALKANE CONTAINING 5 TO 8 CARBON ATOMS, AN NF2 SUBSTITUENT GROUP BEING ATTACHED TO EACH OF 2 OF THE CARBON ATOMS OF AN ALKYL RADICAL, AND SAID CARBON ATOMS WITH ATTACHED NF2 GROUPS BEING SEPARATED BY A METHYLENE GROUP FROM AN EPOXY GROUP.
Claim 2
Dependent Claim
46 words
A DIFLUORAMINO EPOXY ALKANE CONTAINING 5 TO 8 CARBON ATOMS, AN NF2 SUBSTITUENT GROUP BEING ATTACHED TO EACH OF 2 OF THE CARBON ATOMS OF AN ALKYL RADICAL, AND SAID CARBON ATOMS WITH ATTACHED NF2 GROUPS BEING SEPARATED BY A METHYLENE GROUP FROM AN EPOXY GROUP.
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) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |