Patent US2850512A successfully refreshed from Google Patents.
US2850512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium ester complexes
Assignee: NL Industries Inc
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Filing: 1957-04-23
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Granted: 1958-09-02
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Expires: 1977-04-23
Abstract
No abstract record available.
Inventors
- 👤 Harry H Beacham
- 👤 Kenneth M Merz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:56
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A COORDINATELY BONDED MONOMERIC COMPLEX ORGANOTITANIUM COMPOSITION COMPRISING A MONOMERIC TITANIUM ESTER SELECTED FROM THE GROUP CONSISTING OF ALKYL ORTHOTITANATES CONTAINING UP TO 8 CARBON ATOMS PER ALKYL GROUP, CYCLOALKYL TITANATES CONTAINING UP TO 6 CARBON ATOMS PER CYCLOALKYL GROUP, ARYL TITANATES CONTAING UP TO ABOUT 7 CARBON ATOMS PER ARYL GROUP AND A 1,2-DIAMINE HAVING THE FORMULA
Claim 2
Dependent Claim
58 words
A COORDINATELY BONDED MONOMERIC COMPLEX ORGANOTITANIUM COMPOSITION COMPRISING A MONOMERIC TITANIUM ESTER SELECTED FROM THE GROUP CONSISTING OF ALKYL ORTHOTITANATES CONTAINING UP TO 8 CARBON ATOMS PER ALKYL GROUP, CYCLOALKYL TITANATES CONTAINING UP TO 6 CARBON ATOMS PER CYCLOALKYL GROUP, ARYL TITANATES CONTAING UP TO ABOUT 7 CARBON ATOMS PER ARYL GROUP AND A 1,2-DIAMINE HAVING THE FORMULA
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |