US3285982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization process and catalyst therefor
Assignee: Universal Oil Products Co
•
Filing: 1964-03-10
•
Granted: 1966-11-15
•
Expires: 1984-03-10
Abstract
No abstract record available.
Inventors
- 👤 William G Nixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:42
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/2206; C07C5/2226; C07C5/224; B; B01; B01J; B01J27/00; B01J27/14; B01J27/16; C07C5/27; C07C5/2767; C07C5/277; C07C5/2778; C07C5/2783; C07C2527/00; C07C2527/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PROCESS FOR THE CONVERSION OF A HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF ACYCLIC PARAFFINS, NAPHTHENES, OLEGINS AND ALKYLAROMATIC HYDROCARBONS, WHICH COMPRISES ISOMERIZING SAID HYDROCARBON IN CONTACT WITH A SUBSTANTIALLY ANHYDROUS CATALYST PREPARED BY SUBJECTING A PHOSPHORIC ACID-CONTAINING COMPOSITE TO CHEMICAL REACTION WITH HYDROGEN HALIDE OR AMMONIUM HALIDE AT A TEMPERATURE OF FROM ABOUT 300*C. TO ABOUT 600*C. TO EFFECT CHEMICAL COMBINATION OF THE HALOGEN OF SAID HALIDE WITH THE PHOSPHORIC ACID PORTION OF SAID COMPOSITE.
Claim 2
Dependent Claim
77 words
A PROCESS FOR THE CONVERSION OF A HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF ACYCLIC PARAFFINS, NAPHTHENES, OLEGINS AND ALKYLAROMATIC HYDROCARBONS, WHICH COMPRISES ISOMERIZING SAID HYDROCARBON IN CONTACT WITH A SUBSTANTIALLY ANHYDROUS CATALYST PREPARED BY SUBJECTING A PHOSPHORIC ACID-CONTAINING COMPOSITE TO CHEMICAL REACTION WITH HYDROGEN HALIDE OR AMMONIUM HALIDE AT A TEMPERATURE OF FROM ABOUT 300*C. TO ABOUT 600*C. TO EFFECT CHEMICAL COMBINATION OF THE HALOGEN OF SAID HALIDE WITH THE PHOSPHORIC ACID PORTION OF SAID COMPOSITE.
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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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |