US2598424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of cyclopentadiene-tall oil compositions
Assignee: Velsicol Corp
•
Filing: 1946-10-09
•
Granted: 1952-05-27
•
Expires: 1966-10-09
Abstract
No abstract record available.
Inventors
- 👤 Carl F Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:56
CPC Classifications
C; C08; C08F; C08F236/00; C08F236/02; C08F236/04; C08F36/00; C08F36/02; C08F36/04; C09; C09F; C09F1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A PROCESS FOR PREPARING A NEW COMPOSITION OF MATTER WHICH COMPRISES REACTING CYCLOPENTADIENE AND TALL OIL AT A TEMPERATURE OF BETWEEN 400* F. AND 650* F.
Claim 2
Dependent Claim
26 words
A PROCESS FOR PREPARING A NEW COMPOSITION OF MATTER WHICH COMPRISES REACTING CYCLOPENTADIENE AND TALL OIL AT A TEMPERATURE OF BETWEEN 400* F. AND 650* F.
References Cited (Backward Citations)
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US2398889A
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US2340043A
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US2395452A
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US2387895A
Cited
US2443044A
Cited
US2468770A
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US2477654A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |