US3516925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion of hydrocarbons
Assignee: BP PLC
•
Filing: 1965-02-25
•
Granted: 1970-06-23
•
Expires: 1985-02-25
Abstract
No abstract record available.
Inventors
- 👤 Paul Anthony Lawrence
- 👤 Robert William Aitken
- 👤 Robert Neil Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:05
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; C10G47/20; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/18; B01J29/20; B01J29/22; B01J29/26; C07; C07C; C07C4/00; C07C4/02; C07C4/06; C07C5/00; C07C5/02; C07C5/22; C07C5/2206; C07C5/226; C07C5/27; C07C5/2702; C07C5/2724; C07C5/2729; C07C5/2732; C07C5/2754; C07C5/2767; C07C5/277; C07C5/2772; C07C5/2791; C07C6/00; C07C6/08; C07C6/12; C07C6/123; C10G45/00; C10G45/58; C10G45/60; C10G45/64; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/70; C07C2523/74; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/18; C07C2529/20; C07C2529/22; C07C2529/24; C07C2529/26; C10G2400/00; C10G2400/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A PROCESS FOR THE SELECTIVE CONVERSION OF WAX-LIKE HYDROCARBONS IN WAXY PETROLEUM FEEDSTOCKS WHICH COMPRISES CONTACTING SAID FEEDSTOCKS AT A TEMPERATURE OF 450950*F. AND AT ELEVATED PRESSURE IN THE PRESENCE OF HYDROGEN WITH A DECATIONISED CRYSTALLINE MORDENITE HAVING PORE OPENINGS AT LEAST 5 A. IN DIAMETER AND A HYDROGENATING COMPONENT SELECTED FROM THE THE GROUP CONSISTING OF GROUP VI AND VIII METALS AND OXIDES THEREOF, AND RECOVERING A PRODUCT HAVING A REDUCED WAX CONTENT.
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) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |