US3150203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for hydrogenation of alkenes
Assignee: Callery Chemical Co
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Filing: 1961-12-26
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Granted: 1964-09-22
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Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 James W Shepherd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:15
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C07C2531/00; C07C2531/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD OF HYDROGENATING ALKENES WHICH COMPRISES REACTING HYDROGEN WITH AN ALKENE AT A TEMPERATURE BETWEEN ABOUT 125*C. AND 300*C., AND A PRESSURE OF AT LEAST ABOUT 25 ATMOSPHERES, IN THE PRESENCE OF A CATALYTIC QUANTITY OF AMINE-BORANE OF THE FORMULA X:BH3 WHERE X IS SELECTED FROM THE GROUP CONSISTING OF SECONDARY AND TERTIARY AMINES CONTAINING ONLY C, H AND N, AND RECOVERING THE PARAFFIN THUS PRODUCED.
Claim 2
Independent Claim
67 words
A METHOD OF HYDROGENATING ALKENES WHICH COMPRISES REACTING HYDROGEN WITH AN ALKENE AT A TEMPERATURE BETWEEN ABOUT 125*C. AND 300*C., AND A PRESSURE OF AT LEAST ABOUT 25 ATMOSPHERES, IN THE PRESENCE OF A CATALYTIC QUANTITY OF AMINE-BORANE OF THE FORMULA X:BH3 WHERE X IS SELECTED FROM THE GROUP CONSISTING OF SECONDARY AND TERTIARY AMINES CONTAINING ONLY C, H AND N, AND RECOVERING THE PARAFFIN THUS PRODUCED.
References Cited (Backward Citations)
US2973337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |