Patent US2810762A successfully refreshed from Google Patents.
US2810762A
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Aldolization by sodamide and hydrogenation of product
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1953-12-30
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Granted: 1957-10-22
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Expires: 1973-12-30
Abstract
No abstract record available.
Inventors
- 👤 John L Ernst
- 👤 Neville L Cull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:53
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141; C07C45/61; C07C45/67; C07C45/68; C07C45/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
AN IMPROVED PROCESS FOR ALDOLIZING WATER-INSOLUBLE ALDEHYDES WHICH COMPRISES TREATING SAID ALDEHYDES WITH 1% TO 4% BY WEIGHT OF ANHYDROUS SODAMIDE AT A TEMPERATURE OF ABOUT 100* TO 250*F. FOR ABOUT 1 TO 4 HOURS.
Claim 2
Dependent Claim
35 words
AN IMPROVED PROCESS FOR ALDOLIZING WATER-INSOLUBLE ALDEHYDES WHICH COMPRISES TREATING SAID ALDEHYDES WITH 1% TO 4% BY WEIGHT OF ANHYDROUS SODAMIDE AT A TEMPERATURE OF ABOUT 100* TO 250*F. FOR ABOUT 1 TO 4 HOURS.
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) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |