US3152195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for reactivating a rhodium trichloride catalyst
Assignee: EIDP Inc
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Filing: 1961-04-10
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Granted: 1964-10-06
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Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 John J Verbanc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:32
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2527/00; C07C2527/06; C07C2527/128; C07C2527/13; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR THE REACTIVATION OF A RHODIUM TRICHLORIDE CATALYST RESIDUE WHICH HAS BECOME DEACTIVATED THROUGH USE IN THE PREPARATION OF ACYCLIC HYDROCARBON DIENES HAVING 6 TO 7 CARBON ATOMS BY CONDENSING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND PROPYLENE WITH 1,3-BUTADIENE, SAID PROCESS COMPRISING MIXING THE RESULTING CATALYST RESIDUE WITH AT LEAST ONE MOLE OF AQUEOUS HYDROCHLORIC ACID SOLUTION PER MOLE OF RHODIUM TRICHLORIDE CATALYST INITIALLY CHARGED.
Claim 2
Dependent Claim
71 words
A PROCESS FOR THE REACTIVATION OF A RHODIUM TRICHLORIDE CATALYST RESIDUE WHICH HAS BECOME DEACTIVATED THROUGH USE IN THE PREPARATION OF ACYCLIC HYDROCARBON DIENES HAVING 6 TO 7 CARBON ATOMS BY CONDENSING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND PROPYLENE WITH 1,3-BUTADIENE, SAID PROCESS COMPRISING MIXING THE RESULTING CATALYST RESIDUE WITH AT LEAST ONE MOLE OF AQUEOUS HYDROCHLORIC ACID SOLUTION PER MOLE OF RHODIUM TRICHLORIDE CATALYST INITIALLY CHARGED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |