Patent US2913445A successfully refreshed from Google Patents.
US2913445A
Expired / Lapsed
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Catalyst compositions
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-11-05
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Granted: 1959-11-17
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Expires: 1976-11-05
Abstract
No abstract record available.
Inventors
- 👤 Delos E Bown
- 👤 Frederick W Lampe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:49
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD FOR PREPARING A CATALYTICALLY ACTIVE COMPOSITION WHICH COMPRISES REACTING A C1 TO C4 HYDROCARBON ALKYL AZO COMPOUND IN AN INERT HYDROCARBON SOLVENT SOLUTION WITH TITANIUM TETRACHLORIDE IN THE RATIO OF ABOUT 0.5 TO 2 MOLS OF AZO COMPOUND PER MOL OF TITANIUM COMPOUND IN AN INERT ATMOSPHERE TO FORM A REACTION MIXTURE CONTAINING THE SOLVENT AND A SOLVENT INSOLUBLE REACTION PRODUCT OF THE AZO COMPOUND WITH THE TITANIUM COMPOUND.
Claim 2
Independent Claim
71 words
A METHOD FOR PREPARING A CATALYTICALLY ACTIVE COMPOSITION WHICH COMPRISES REACTING A C1 TO C4 HYDROCARBON ALKYL AZO COMPOUND IN AN INERT HYDROCARBON SOLVENT SOLUTION WITH TITANIUM TETRACHLORIDE IN THE RATIO OF ABOUT 0.5 TO 2 MOLS OF AZO COMPOUND PER MOL OF TITANIUM COMPOUND IN AN INERT ATMOSPHERE TO FORM A REACTION MIXTURE CONTAINING THE SOLVENT AND A SOLVENT INSOLUBLE REACTION PRODUCT OF THE AZO COMPOUND WITH THE TITANIUM COMPOUND.
References Cited (Backward Citations)
US2772259A
Cited
BE533362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |