US2719863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aldol condensation of ketones
Assignee: EIDP Inc
•
Filing: 1952-07-16
•
Granted: 1955-10-04
•
Expires: 1972-07-16
Abstract
No abstract record available.
Inventors
- 👤 Haslam John Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:41
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/72; C07C45/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD FOR CONDUCTING AN ALDOL CONDENSATION REACTION WHICH COMPRISES EFFECTING SAID REACTION IN THE PRESENCE OF FROM .1 TO 2 MOLES PER MOLE OF CONDENSATION PRODUCT BEING PRODUCED, OF A TITANIUM ORGANIC COMPOUND CONTAINING AT LEAST ONE TITANIUM-ESTER LINKAGE PER MOLECULE SELECTED FROM THE GROUP CONSISTING OF A TITANIUM ORTHO ESTER, A CONDENSED TITANIUM ESTER, AND A POLYTITANIUM ESTER CARBOXYLATE, AND UPON COMPLETION OF REACTION SEPARATING AND RECOVERING THE PRODUCTS POLYMERIZED IN SAID REACTION.
Claim 2
Independent Claim
75 words
A METHOD FOR CONDUCTING AN ALDOL CONDENSATION REACTION WHICH COMPRISES EFFECTING SAID REACTION IN THE PRESENCE OF FROM .1 TO 2 MOLES PER MOLE OF CONDENSATION PRODUCT BEING PRODUCED, OF A TITANIUM ORGANIC COMPOUND CONTAINING AT LEAST ONE TITANIUM-ESTER LINKAGE PER MOLECULE SELECTED FROM THE GROUP CONSISTING OF A TITANIUM ORTHO ESTER, A CONDENSED TITANIUM ESTER, AND A POLYTITANIUM ESTER CARBOXYLATE, AND UPON COMPLETION OF REACTION SEPARATING AND RECOVERING THE PRODUCTS POLYMERIZED IN SAID REACTION.
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) | 1958-10-03 | 1959-04-04 | 1959-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-03 | 1963-04-04 | 1963-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-03 | 1967-04-04 | 1967-10-04 | $7700.00 | Window Closed / Lapsed |