US2579414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of esters of ortho titanic acid
Assignee: Monsanto Chemicals Ltd
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Filing: 1949-10-21
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Granted: 1951-12-18
•
Expires: 1969-10-21
Abstract
No abstract record available.
Inventors
- 👤 Boyd Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:46
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/50; D06M13/503; C; C07; C07F; C07F7/00; C07F7/003; C08; C08K; C08K5/00; C08K5/0091; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A PROCESS FOR THE PREPARATION OF ORTHO ESTERS OF TITANIC ACID WHICH COMPRISES REACTING TITANIUM DISULFIDE WITH A COMPOUND TAKEN FROM THE GROUP CONSISTING OF ALCOHOLS AND PHENOLS, UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS.
Claim 2
Dependent Claim
32 words
A PROCESS FOR THE PREPARATION OF ORTHO ESTERS OF TITANIC ACID WHICH COMPRISES REACTING TITANIUM DISULFIDE WITH A COMPOUND TAKEN FROM THE GROUP CONSISTING OF ALCOHOLS AND PHENOLS, UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS.
References Cited (Backward Citations)
US2187821A
Cited
US2410119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |