US2621193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric titanium compounds
Assignee: EIDP Inc
•
Filing: 1950-06-27
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Granted: 1952-12-09
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Expires: 1970-06-27
Abstract
No abstract record available.
Inventors
- 👤 Langkammerer Carl Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:35
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/50; D06M13/503; C; C07; C07F; C07F7/00; C07F7/003; C09; C09F; C09F9/00; D06M13/10; D06M13/184; D06M13/188
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
AS A NEW ORGANO-SOLUBLE POLYMERIC TITANIUM COMPOUND, THE PRODUCT OBTAINED BY REACTING AN ORGANIC ESTER OF ORTHO-TITANIC ACID, CORRESPONDING TO THE FORMULA TI(OR)4 IN WHICH R IS A HYDROCARBON RADICAL SELECTED FORM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ARYL, AND ARALKYL, WITH AT LEAST A HALF MOLAR EQUIVALENT OF AN ANHYDROUS ALIPHATIC CARBOXYLIC ACID PER MOL OF SAID ESTER.
References Cited (Backward Citations)
US2467177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |