US3317437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of alfin catalysts
Assignee: Millennium Petrochemicals Inc
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Filing: 1963-04-08
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Granted: 1967-05-02
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Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 William W Hoffman
- 👤 Fred K Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:10
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/06; C08F4/12; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PROCESS FOR THE PRODUCTION OF ALFIN CATALYST COMPRISING (A) MIXING IN AN INERT SOLVENT METHYL-N-ALKYL CARBINOL WITH EXCESS METALLIC SODIUM TO FORM THE SODIUM COMPOUND OF SAID CARBINOL, (B) THEREAFTER INTRODUCING AN ALKYL HALIDE INTO SAID REACTION MIXTURE TO REACT WITH THE REMAINING METALLIC SODIUM AND FORM ALKYL SODIUM HALIDE, AND (C) THEREAFTER INTRODUCING A VINYL MONOOLEFIN INTO SAID REACTION MIXTURE TO REACT WITH SAID ALKYL SODIUM AND FORM THE SODIUM COMPOUND OF SAID VINYL MONOOLEFIN.
Claim 2
Dependent Claim
77 words
A PROCESS FOR THE PRODUCTION OF ALFIN CATALYST COMPRISING (A) MIXING IN AN INERT SOLVENT METHYL-N-ALKYL CARBINOL WITH EXCESS METALLIC SODIUM TO FORM THE SODIUM COMPOUND OF SAID CARBINOL, (B) THEREAFTER INTRODUCING AN ALKYL HALIDE INTO SAID REACTION MIXTURE TO REACT WITH THE REMAINING METALLIC SODIUM AND FORM ALKYL SODIUM HALIDE, AND (C) THEREAFTER INTRODUCING A VINYL MONOOLEFIN INTO SAID REACTION MIXTURE TO REACT WITH SAID ALKYL SODIUM AND FORM THE SODIUM COMPOUND OF SAID VINYL MONOOLEFIN.
References Cited (Backward Citations)
CA520873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |