US3281480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of methyl chloroform
Assignee: PPG Industries Inc
•
Filing: 1961-08-09
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Granted: 1966-10-25
•
Expires: 1981-08-09
Abstract
No abstract record available.
Inventors
- 👤 Donald E Hardies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:54
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
METHYLCHLOROFORM CONTAINING IN SMALL STABILIZING CONCENTRATION A DIALKOXYALKANE OF 4 TO 8 CARBON ATOMS, ALKANOL OF 1 TO 8 CARBON ATOMS, NITROALKANE OF 1 TO 3 CARBON ATOMS AND AN EPOXIDE SELECTED FROM THE CLASS CONSISTING OF ALKYLENE OXIDES, OF FROM 2 TO 8 CARBON ATOMS, EPICHLOROHYDRIN AND GLYCIDOL.
Claim 2
Dependent Claim
49 words
METHYLCHLOROFORM CONTAINING IN SMALL STABILIZING CONCENTRATION A DIALKOXYALKANE OF 4 TO 8 CARBON ATOMS, ALKANOL OF 1 TO 8 CARBON ATOMS, NITROALKANE OF 1 TO 3 CARBON ATOMS AND AN EPOXIDE SELECTED FROM THE CLASS CONSISTING OF ALKYLENE OXIDES, OF FROM 2 TO 8 CARBON ATOMS, EPICHLOROHYDRIN AND GLYCIDOL.
References Cited (Backward Citations)
US3000977A
Cited
US2567621A
Cited
US2947792A
Cited
US2887516A
Cited
US3000978A
Cited
US3049571A
Cited
US3128315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |