Hydroformylation process and catalyst
Abstract
Abstract 1. IN A HYDROFORMYLATION PROCESS IN WHICH AN OLEFIN IS REACTED WITH CARBON MONOXIDE AND HYDROGEN UNDER HYDROFORMYLATION CONDITIONS; THE IMPROVEMENT WHICH COMPRISES CARYING OUT THE REACTION UNDER HYDROFORMYLATION CONDITIONS IN THE PRESENCE OF A CATALYST PRODUCED BY CONTACTING A SOLID PHOSPHORUS-CONTAINING POLYMER OF AT LEAST ONE PHOSPHINE OF THE FORMULA ((R'')2-P-),(R(5-N)-),(H2C=CH)N-BENZENE WHEREIN EACH R IS HYDROGEN OR AN ALKYL GROUP HAVING 1 TO 4 CARBON ATOMS, THE TOTAL NUMBER OF CARBON ATOMS IN ALL OF THE R SUBSTITUENTS BEING 12 OR LESS, EACH R'' IS A HYDROCARBYL RADICAL SELECTED FROM THE ALKYL, CYCLOALKYL, ARYL AND COMBINATIONS THEREOF, SAID HYDROCARBYL RADICAL CONTAINING 1 TO 20 CARBON ATOMS, AND N IS 1 TO 3, WITH AT LEAST ONE METAL CARBONYL OF THE GROUP CONSISTING OF COBALT, RHODIUM, RUTHENIUM, PLATINUM AND PALLADIUM, SAID METAL BEING PRESENT IN AN AMOUNT IN THE RANGE OF 0.2 TO 20 MILLIMOLE OF METAL PER 5 GRAMS OF POLYMER SUPPORT.
Inventors
- 👤 J Allen
Bibliographic Details
Claims Analysis
Total Claims: 2References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |