US2876264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticizer alcohols by oxo process
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1955-03-10
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Granted: 1959-03-03
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Expires: 1975-03-10
Abstract
No abstract record available.
Inventors
- 👤 Robert S Brodkey
- 👤 William E Catterall
- 👤 Wilbur F Fischer
- 👤 Arundale Erving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:28
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PROCESS FOR PRODUCING ALCOHOLS FROM STEAM CRACKED PETROLEUM FRACTIONS WHICH COMPRISES CONTACTING A C6-C8 OLEFINIC STEAM CRACKED PETROLEUM FRACTION CONTAINING SUBSTANTIAL AMOUNTS OF DIOLEFINS AND TERTIARY MONOOLEFINS AS WELL AS PRIMARY AND SECONDARY MONOOLEFINS, WITH 0.25 TO 2.0 WEIGHT PERCENT ALCL3 AT TEMPERA TURES FROM -10* TO 70* C. UNTIL SAID DIOLEFINS AND TERTIARY MONOOLEFINS ARE SELECTIVELY POLYMERIZED AND SAID PRIMARY AND SECONDARY MONOOLEFINS REMAIN SUBSTATIALLY UNREACTED, RECOVERING AN UNREACTED OLEFIN STREAM BOILING OVER THE RANGE OF 57* TO 70* C., CONTACTING SAID UNREACTED OLEFIN STREAM WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A COBALT CARBONYLATION CATALYST AT ELEVATED TEMPERATURE AND PRESSURE TO FORM AN ALDEHYDE CARBONYLATION PRODUCT, AND HYDROGENATING SAID CARBONYLATION PRODUCT TO SAID ALCHOLS CAPABLE OF PRODUCING EFFECTIVE PLASTICIZERS.
Claim 2
Dependent Claim
124 words
A PROCESS FOR PRODUCING ALCOHOLS FROM STEAM CRACKED PETROLEUM FRACTIONS WHICH COMPRISES CONTACTING A C6-C8 OLEFINIC STEAM CRACKED PETROLEUM FRACTION CONTAINING SUBSTANTIAL AMOUNTS OF DIOLEFINS AND TERTIARY MONOOLEFINS AS WELL AS PRIMARY AND SECONDARY MONOOLEFINS, WITH 0.25 TO 2.0 WEIGHT PERCENT ALCL3 AT TEMPERA TURES FROM -10* TO 70* C. UNTIL SAID DIOLEFINS AND TERTIARY MONOOLEFINS ARE SELECTIVELY POLYMERIZED AND SAID PRIMARY AND SECONDARY MONOOLEFINS REMAIN SUBSTATIALLY UNREACTED, RECOVERING AN UNREACTED OLEFIN STREAM BOILING OVER THE RANGE OF 57* TO 70* C., CONTACTING SAID UNREACTED OLEFIN STREAM WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A COBALT CARBONYLATION CATALYST AT ELEVATED TEMPERATURE AND PRESSURE TO FORM AN ALDEHYDE CARBONYLATION PRODUCT, AND HYDROGENATING SAID CARBONYLATION PRODUCT TO SAID ALCHOLS CAPABLE OF PRODUCING EFFECTIVE PLASTICIZERS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |