US2762847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of alcohols by guerbet condensation
Assignee: Monsanto Chemicals Ltd
•
Filing: 1953-05-05
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Granted: 1956-09-11
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Expires: 1973-05-05
Abstract
No abstract record available.
Inventors
- 👤 Robert E Miller
- 👤 George E Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:58
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/32; C07C29/34; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
IN THE GUERBET CONDENSATION OF ALCOHOLS, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS CATALYST AN ALKALI METAL PHOSPHATE HAVING IN 1 PER CENT AQUEOUS SOLUTION A PH GREATER THAN 9.
Claim 2
Dependent Claim
29 words
IN THE GUERBET CONDENSATION OF ALCOHOLS, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS CATALYST AN ALKALI METAL PHOSPHATE HAVING IN 1 PER CENT AQUEOUS SOLUTION A PH GREATER THAN 9.
References Cited (Backward Citations)
US2092449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |