US2941011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing 2, 2, 4-trimethyl-3-penten-1-ol and 2, 2, 4-trimethyl-pentanol
Assignee: Eastman Kodak Co
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Filing: 1958-07-23
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Granted: 1960-06-14
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Expires: 1978-07-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh J Hagemeyer
- 👤 David C Hull
- 👤 Milton A Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:21
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/17; C07C29/172; C07C29/09; C07C29/095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A PROCESS OF PREPARING 2,2,4-TRIMETHYL-3-PENTEN-1OL WHICH COMPRISES PYROLYZING A LOWER ALIPHATIC MONOCARBOXYLIC ACID DIESTER OF 2,2,4-TRIMETHYL-1,3-PENTANEDIOL AND HYDROLYZING THE RESULTING LOWER ALIPHATIC MONOCARBOXYLIC ACID ESTER OF 2,.2,4-TRIMETHYL-3-PENTEN-1-OL.
Claim 2
Dependent Claim
27 words
A PROCESS OF PREPARING 2,2,4-TRIMETHYL-3-PENTEN-1OL WHICH COMPRISES PYROLYZING A LOWER ALIPHATIC MONOCARBOXYLIC ACID DIESTER OF 2,2,4-TRIMETHYL-1,3-PENTANEDIOL AND HYDROLYZING THE RESULTING LOWER ALIPHATIC MONOCARBOXYLIC ACID ESTER OF 2,.2,4-TRIMETHYL-3-PENTEN-1-OL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |