US3267152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixed salts of titanium as ortho-alkylation catalysts
Assignee: Beazer East Inc
•
Filing: 1963-08-13
•
Granted: 1966-08-16
•
Expires: 1983-08-13
Abstract
No abstract record available.
Inventors
- 👤 Hokama Takeo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:10
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/11; C07C37/14; B; B01; B01J; B01J21/00; B01J21/06; B01J21/063; B01J27/00; B01J27/02; B01J27/04; B01J31/00; B01J31/02; B01J31/0201; B01J31/0211; B01J31/0214; B01J2231/00; B01J2231/40; B01J2231/42; B01J2231/4205; B01J2540/00; B01J2540/30; B01J2540/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN A PROCESS FOR THE SELECTIVE CATALYTIC ORTHO-ALKYLATION OF A HYDROXYAROMATIC HYDROCARBON CONTAINING AT LEAST ONE REACTIVE HYDROGEN IN A POSITION ORTHO- TO A HYDROXYL GROUP WHEREIN SAID HYDROCARBON IS REACTED WITH AN OLEFIN AT AN ELEVATED TEMPERATURE AND A PRESSURE UP TO 3000 P.S.I.G., THE IMPROVEMENT COMPRISING CONDUCTING THE REACTION IN THE PRESENCE OF A CATALYTIC AMOUNT OF A MIXED SALT OF TITANIUM HAVING THE EMPIRICAL FORMULA:
Claim 2
Dependent Claim
68 words
IN A PROCESS FOR THE SELECTIVE CATALYTIC ORTHO-ALKYLATION OF A HYDROXYAROMATIC HYDROCARBON CONTAINING AT LEAST ONE REACTIVE HYDROGEN IN A POSITION ORTHO- TO A HYDROXYL GROUP WHEREIN SAID HYDROCARBON IS REACTED WITH AN OLEFIN AT AN ELEVATED TEMPERATURE AND A PRESSURE UP TO 3000 P.S.I.G., THE IMPROVEMENT COMPRISING CONDUCTING THE REACTION IN THE PRESENCE OF A CATALYTIC AMOUNT OF A MIXED SALT OF TITANIUM HAVING THE EMPIRICAL FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |