Patent US2643262A successfully refreshed from Google Patents.
US2643262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic compounds of titanium
Assignee: EIDP Inc
•
Filing: 1950-04-28
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Granted: 1953-06-23
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Expires: 1970-04-28
Abstract
No abstract record available.
Inventors
- 👤 Charles O Bostwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:10
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A PROCESS FOR THE PREPARATION OF ORGANIC SOLVENT-SOLUBLE NEW ORGANIC COMPOUNDS OF TITANIUM WHICH COMPRISES REACTING AN ORGANIC TETRA ESTER OF ORTHOTITANIC ACID CORRESPONDING TO THE FORMULA TI(OR)4, WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ARALKYL, AND ALKARYL WITH A GLYCOL HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
49 words
A PROCESS FOR THE PREPARATION OF ORGANIC SOLVENT-SOLUBLE NEW ORGANIC COMPOUNDS OF TITANIUM WHICH COMPRISES REACTING AN ORGANIC TETRA ESTER OF ORTHOTITANIC ACID CORRESPONDING TO THE FORMULA TI(OR)4, WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ARALKYL, AND ALKARYL WITH A GLYCOL HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2258718A
Cited
GB568135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |