US3832404A
Expired / Lapsed
US
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Hydroformylation process
Assignee: BP PLC
•
Filing: 1970-12-14
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Granted: 1974-08-27
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Expires: 1990-12-14
Abstract
Abstract A heterogeneous hydroformylation process in which an olefin is reacted with CO and H2 is effected in the presence of a catalyst containing units of formula
Inventors
- 👤 K Allum
- 👤 R Hancock
- 👤 Kenzie S Mc
- 👤 R Pitkethl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:12
CPC Classifications
C; C08; C08F; C08F10/00; B; B01; B01J; B01J31/00; B01J31/16; B01J31/1616; B01J31/1625; B01J31/1633; B01J31/20; B01J31/24; B01J31/2404; B01J37/00; B01J37/02; B01J37/0201; B01J37/0209; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/36; C07C2/42; C07C2/44; C07C2/46; C07C2/465; C07C2/50; C07C2/52; C07C45/00; C07C45/49; C07C45/50; C07C5/00; C07C5/02; C07C5/03; C07C5/05; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2562; C07C5/2593; C07F; C07F15/00; C07F15/0006; C07F15/0013; C07F15/0073; C07F15/008; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/323; C07C2531/00; C07C2531/02; C07C2601/00; C07C2601/12; C07C2601/16; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
22 words
A heterogeneous process as claimed in claim 1 wherein -R1- is (-CH2-)n where n is an integer from 1 to 6 or
Claim 2
Dependent Claim
18 words
A process as claimed in claim 1 wherein the alkene is selected from ethylene, propylene, hexene or heptene
Claim 3
Dependent Claim
19 words
A process as claimed in claim 1 wherein the pressure is in the range 0 to 25,000 kN/m2 (ga).
Claim 4
Dependent Claim
31 words
A process as claimed in claim 1 wherein the alkene has a LHSV of 0.1 to 20 v/v/hr and the hydrogen and carbon monoxide a GHSV of 50 to 10,000 v/v/hr.
Claim 5
Dependent Claim
23 words
A process as claimed in claim 1 wherein the oxygen content of the carbon monoxide and hydrogen feed is maintained below 300 p.p.m.
Claim 6
Dependent Claim
13 words
A process as claimed in claim 1 wherein said metal nucleus is rhodium.
References Cited (Backward Citations)
US3487112A
Cited
US3578609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |