Patent US3082260A successfully refreshed from Google Patents.
US3082260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of acetylenic alcohols
Assignee: Airco Inc
•
Filing: 1959-05-20
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Granted: 1963-03-19
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Expires: 1979-05-20
Abstract
No abstract record available.
Inventors
- 👤 Robert J Tedeschi
- 👤 Casey Arthur Weeks
- 👤 James P Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:12
CPC Classifications
C; C07; C07C; C07C33/00; C07C33/04; C07C33/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR PREPARING AN ACETYLENIC ALCOHOL WHICH COMPRISES REACTING AN ACETYLENIC HYDROCARBON OF THE FORMULA RC$CH, WHERE R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HYDROCARBON RADICALS CONTAINING FROM 1 TO 10 CARBON ATOMS, WITH A CARBONYL COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
44 words
A PROCESS FOR PREPARING AN ACETYLENIC ALCOHOL WHICH COMPRISES REACTING AN ACETYLENIC HYDROCARBON OF THE FORMULA RC$CH, WHERE R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HYDROCARBON RADICALS CONTAINING FROM 1 TO 10 CARBON ATOMS, WITH A CARBONYL COMPOUND HAVING THE FORMULA
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |