US2898356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organotitanium compounds and process of preparation
Assignee: NL Industries Inc
•
Filing: 1955-09-06
•
Granted: 1959-08-04
•
Expires: 1975-09-06
Abstract
No abstract record available.
Inventors
- 👤 Charles A Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:40
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A STABLE SOLUTION CONSISTING ESSENTIALLY OF A POLYOL AND A CHELATED TITANIUM SALT OF AN ALPHA HYDROXY ACID, SAID ALPHA HYDROXY ACID BEING SELECTED FROM THE GROUP CONSISTING OF GLYCOLIC, LACTIC, ALPHA HYDROXYBUTYRIC, MANDELIC, MALIC, CITRIC AND TARTARIC ACID, SAID POLYOL HAVING FROM 3 TO 8 HYDROXY GROUPS AND FROM 3 TO 8 CARBON ATOMS, SAID HYDROXY GROUPS IN SAID POLYOL BEING PRESENT ON ADJACENT CARBON ATOMS, SAID POLYOL BEING SELECTED THE GROUP CONSISTING OF SATURATED AND UNSUBSTITUTED POLYHYDROXY ALIPHATIC ALCOHOLS, INOSITOL, GLUCOSE, MANNOSE, N-METHYLGLUCAMINE, METHYLGLUCOSIDE AND GLUCONIC ACID, SAID SOLUTION BEING STABLE UNDER ALKALINE CONDITIONS.
Claim 2
Dependent Claim
96 words
A STABLE SOLUTION CONSISTING ESSENTIALLY OF A POLYOL AND A CHELATED TITANIUM SALT OF AN ALPHA HYDROXY ACID, SAID ALPHA HYDROXY ACID BEING SELECTED FROM THE GROUP CONSISTING OF GLYCOLIC, LACTIC, ALPHA HYDROXYBUTYRIC, MANDELIC, MALIC, CITRIC AND TARTARIC ACID, SAID POLYOL HAVING FROM 3 TO 8 HYDROXY GROUPS AND FROM 3 TO 8 CARBON ATOMS, SAID HYDROXY GROUPS IN SAID POLYOL BEING PRESENT ON ADJACENT CARBON ATOMS, SAID POLYOL BEING SELECTED THE GROUP CONSISTING OF SATURATED AND UNSUBSTITUTED POLYHYDROXY ALIPHATIC ALCOHOLS, INOSITOL, GLUCOSE, MANNOSE, N-METHYLGLUCAMINE, METHYLGLUCOSIDE AND GLUCONIC ACID, SAID SOLUTION BEING STABLE UNDER ALKALINE CONDITIONS.
References Cited (Backward Citations)
US2824114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |