US2913469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organotitanium compounds and process of preparation
Assignee: NL Industries Inc
•
Filing: 1956-08-07
•
Granted: 1959-11-17
•
Expires: 1976-08-07
Abstract
No abstract record available.
Inventors
- 👤 Charles A Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/003
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
7 words
AN ORGANO-TITANIUM COMPOUND HAVING THE EMPIRICAL FORMULA
Claim 2
Dependent Claim
7 words
AN ORGANO-TITANIUM COMPOUND HAVING THE EMPIRICAL FORMULA
Claim 3
Independent Claim
99 words
A METHOD FOR THE PREPARATION OF AN ORGANIC TITANIUM COMPOUND WHICH COMPRISES REACTING AN UNSUBSTITUTED LOWER ALKYL ACYL TITANATE WITH A DIOL, THE ACYL GROUP IN SAID ALKYL ACYL TITANATE HAVING THE FORMULA RCO-IN WHICH R IS AN UNSUBSTITUTED ALKYL GROUP CONTAINING FROM 2 TO 20 CARBON ATOMS, SAID DIOL BEING SELECTED FROM THE GROUP CONSISTING OF A-, B-, Y-, AND 8-DIOLS AND HAVING NO OTHER FUNCTIONAL GROUPS, SAID COMPOUND CONTAINING FROM 1 TO 3 DIOL RESIDUES AND FROM 1 TO 3 ACYL GROUPS, THE SUM OF SAID DIOL RESIDUES AND SAID ACYL GROUPS BEING FROM 2 TO 4.
Claim 4
Independent Claim
99 words
A METHOD FOR THE PREPARATION OF AN ORGANIC TITANIUM COMPOUND WHICH COMPRISES REACTING AN UNSUBSTITUTED LOWER ALKYL ACYL TITANATE WITH A DIOL, THE ACYL GROUP IN SAID ALKYL ACYL TITANATE HAVING THE FORMULA RCO-IN WHICH R IS AN UNSUBSTITUTED ALKYL GROUP CONTAINING FROM 2 TO 20 CARBON ATOMS, SAID DIOL BEING SELECTED FROM THE GROUP CONSISTING OF A-, B-, Y-, AND 8-DIOLS AND HAVING NO OTHER FUNCTIONAL GROUPS, SAID COMPOUND CONTAINING FROM 1 TO 3 DIOL RESIDUES AND FROM 1 TO 3 ACYL GROUPS, THE SUM OF SAID DIOL RESIDUES AND SAID ACYL GROUPS BEING FROM 2 TO 4.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |