Patent US2590176A successfully refreshed from Google Patents.
US2590176A
Expired / Lapsed
US
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Tertiary alcohols
Assignee: Distillers Co Yeast Ltd
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Filing: 1949-11-08
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Granted: 1952-03-25
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Expires: 1969-11-08
Abstract
No abstract record available.
Inventors
- 👤 Hawkins Edwin George Edward
- 👤 Salt Francis Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:38
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
PROCESS FOR THE PRODUCTION OF TERTIARY ALCOHOLS WHICH COMPRISES REACTING IN LIQUID PHASE AT ELEVATED TEMPERATURES A HYDROPEROXIDE COMPOUND IN WHICH THE HYDROPEROXIDE GROUP IS LINKED TO A TERTIARY CARBON ATOM, WITH AN AMINE COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim
39 words
PROCESS FOR THE PRODUCTION OF TERTIARY ALCOHOLS WHICH COMPRISES REACTING IN LIQUID PHASE AT ELEVATED TEMPERATURES A HYDROPEROXIDE COMPOUND IN WHICH THE HYDROPEROXIDE GROUP IS LINKED TO A TERTIARY CARBON ATOM, WITH AN AMINE COMPOUND OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2484841A
Cited
US2497349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |