US2980719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction of titanium esters with acid anhydrides
Assignee: EIDP Inc
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Filing: 1957-06-13
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Granted: 1961-04-18
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Expires: 1977-06-13
Abstract
No abstract record available.
Inventors
- 👤 John H Haslam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:02
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/003
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
59 words
A PROCESS FOR THE PREPARATION OF A POLYMERIC TITANIUM COMPOUND WHICH COMPRISES REATING AN ORGANIC TITANIUM ESTER SELECTED FRO THE GROUP CONSISTING OF ORGANIC ESTERS OF ORTHO-TITANIC ACID HAVING THE FORMULA TI(OR)4, IN WHICH R IS AN ORGANIC RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ARYL, ALKARYL, AND ALKYLENE AND POLYMERIC TITANIUM ESTERS HAVING THE NUCLEUS OF
Claim 2
Dependent Claim
59 words
A PROCESS FOR THE PREPARATION OF A POLYMERIC TITANIUM COMPOUND WHICH COMPRISES REATING AN ORGANIC TITANIUM ESTER SELECTED FRO THE GROUP CONSISTING OF ORGANIC ESTERS OF ORTHO-TITANIC ACID HAVING THE FORMULA TI(OR)4, IN WHICH R IS AN ORGANIC RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ARYL, ALKARYL, AND ALKYLENE AND POLYMERIC TITANIUM ESTERS HAVING THE NUCLEUS OF
Claim 3
Dependent Claim
10 words
AS A NEW POLYMERIC TITANIUM COMPOUND THE COMPOUND CONTAINING REPEATING
Claim 4
Dependent Claim
10 words
AS A NEW POLYMERIC TITANIUM COMPOUND THE COMPOUND CONTAINING REPEATING
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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |