Patent US3291745A successfully refreshed from Google Patents.
US3291745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of trichlorethylene
Assignee: EIDP Inc
•
Filing: 1963-04-29
•
Granted: 1966-12-13
•
Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Theodore F Martens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:45
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A STABILIZED COMPOSITION COMPRISING TRICHLORETHLENE AS THE PREDOMINANT INGREDIENT AND CONTAINING A STABILIZING AMOUNT OF AT LEAST ONE MEMBER FROM THE GROUP CONSISTING OF A MIXTURE OF 1,3-CYCLOPENTADIENE WITH ITS DIMER, A MIXTURE OF 5-METHYL-1,3-CYCLOPENTADIENE WITH ITS DIMER, AND A MIXTURE OF 1-METHOXY-1,3-BUTADIENE WITH ITS DIMER.
Claim 2
Dependent Claim
46 words
A STABILIZED COMPOSITION COMPRISING TRICHLORETHLENE AS THE PREDOMINANT INGREDIENT AND CONTAINING A STABILIZING AMOUNT OF AT LEAST ONE MEMBER FROM THE GROUP CONSISTING OF A MIXTURE OF 1,3-CYCLOPENTADIENE WITH ITS DIMER, A MIXTURE OF 5-METHYL-1,3-CYCLOPENTADIENE WITH ITS DIMER, AND A MIXTURE OF 1-METHOXY-1,3-BUTADIENE WITH ITS DIMER.
References Cited (Backward Citations)
US2265774A
Cited
US1097145A
Cited
US2870094A
Cited
US2944088A
Cited
US3076040A
Cited
US3090818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |