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US2542747A Expired / Lapsed US ⏱️ 0.0 years remaining

Olefin reactions

Assignee: EIDP Inc
•
Filing: 1946-03-22
•
Granted: 1951-02-20
•
Expires: 1966-03-22
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Abstract

No abstract record available.

Inventors

  • 👤 Paul L Barrick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 01:44
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/60; C07C45/00

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 83 words
A PROCESS FOR THE PREPARATION OF SATURATED ORGANIC COMPOUNDS WHICH COMPRISES HEATING A MIXTURE OF REACTANTS CONSISTING OF AN OLEFINIC HYDROCARBON, COBALT CARBONYL, AND A SUBSTANCE OF THE CLASS CONSISTING OF HYDROGEN AND AMMONIA AT A TEMPERATURE OF ABOUT 25* TO 253* C., UNDER SUPERATMOSPHERIC PRESSURE IN THE ABSENCE OF ANY SUBSTANTIAL QUANTITY OF CARBON MONOXIDE OTHER THAN THE CARBON MONOXIDE INTRODUCED IN THE FORM OF COBALT CARBONYL, AND SEPARATING FROM RESULTANT REACTION PRODUCT THE SATURATED ORGANIC COMPOUNDS PRODUCED BY THE ENSUING REACTION.

References Cited (Backward Citations)

US1836085A Cited
US1891203A Cited
US1973662A Cited
US1935914A Cited
US2111469A Cited
US2327066A Cited
US2276921A Cited
FR873391A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-02-19 1954-08-21 1955-02-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-02-19 1958-08-21 1959-02-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-02-19 1962-08-21 1963-02-20 $7700.00 Window Closed / Lapsed

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