US2550531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reforming process and catalyst therefor
Assignee: Atlantic Richfield Co
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Filing: 1949-12-29
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Granted: 1951-04-24
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Expires: 1969-12-29
Abstract
No abstract record available.
Inventors
- 👤 Frank G Ciapetta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:03
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J21/00; B01J21/16; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J21/06; B01J21/08; Y; Y10; Y10S; Y10S252/00; Y10S252/18; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
48 words
A CATALYST COMPRISING A COMPONENT HAVING A HYDROCARBON CRACKING ACTIVITY AND A METAL FROM THE GROUP CONSISTING OF PLATINUM AND PALLADIUM, SAID COMPONENT COMPRISING SILICA AND ALUMINA AND HAVING A SURFACE AREA IN THE RANGE OF ABOUT 10 TO ABOUT 65 SQUARE METERS PER GRAM OF SAID COMPONENT.
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) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |