US2886579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organotitanium compounds and method for preparing the same
Assignee: NL Industries Inc
•
Filing: 1957-12-05
•
Granted: 1959-05-12
•
Expires: 1977-12-05
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:36
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/28
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
94 words
AS A NEW COMPOSITION OF MATTER, AN ARYLTITANIUM TRIALKYLATE, SAID ARYLTITANIUM TRIALKYLATE BEING AN ESTER OF TETRAVALENT TITANIUM WHEREIN ONE OF THE FOUR VALENCIES OF SAID TETRAVALENT TITANIUM IS SATISFIED BY AN ARYL GROUP THROUGH A DIRECT CARBON-TITANIUM BOND, AND THE REMAINING THREE VALENCIES OF SAID TITANIUM ARE SATISFIED BY ALKOXY GROUPS THROUGH OXYGEN-TITANIUM BONDS, SAID ARYL GROUP BEING SELECTED FROM THE GROUP CONSISTING OF PHENYL, SUBSTITUTED PHENYL, NAPHTHYL AND SUBSTITUTED NAPHTHYL, THE SUBSTITUENT IN SAID SUBSTITUTED PHENYL AND SUBSTITUTED NAPHTHYL ARE SELECTED FROM THE GROUP CONSISTING OF LOWER ALKOXY, LOWER ALKYL AND PHENYL.
Claim 2
Dependent Claim
94 words
AS A NEW COMPOSITION OF MATTER, AN ARYLTITANIUM TRIALKYLATE, SAID ARYLTITANIUM TRIALKYLATE BEING AN ESTER OF TETRAVALENT TITANIUM WHEREIN ONE OF THE FOUR VALENCIES OF SAID TETRAVALENT TITANIUM IS SATISFIED BY AN ARYL GROUP THROUGH A DIRECT CARBON-TITANIUM BOND, AND THE REMAINING THREE VALENCIES OF SAID TITANIUM ARE SATISFIED BY ALKOXY GROUPS THROUGH OXYGEN-TITANIUM BONDS, SAID ARYL GROUP BEING SELECTED FROM THE GROUP CONSISTING OF PHENYL, SUBSTITUTED PHENYL, NAPHTHYL AND SUBSTITUTED NAPHTHYL, THE SUBSTITUENT IN SAID SUBSTITUTED PHENYL AND SUBSTITUTED NAPHTHYL ARE SELECTED FROM THE GROUP CONSISTING OF LOWER ALKOXY, LOWER ALKYL AND PHENYL.
Claim 3
Dependent Claim
17 words
THE COMPLEX ADDITION COMPOUND OF PHENYLTITANIUM TRIISOPROPYLATE, LITHIUM ISOPROPYLATE, LITHIUM BROMIDE AND DIETHYL ETHER HAVING THE FORMULA:
Claim 4
Dependent Claim
17 words
THE COMPLEX ADDITION COMPOUND OF PHENYLTITANIUM TRIISOPROPYLATE, LITHIUM ISOPROPYLATE, LITHIUM BROMIDE AND DIETHYL ETHER HAVING THE 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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |