US2822337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of producing metal oxide gels
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1954-06-09
•
Granted: 1958-02-04
•
Expires: 1974-06-09
Abstract
No abstract record available.
Inventors
- 👤 Evans Eric Bertram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:00
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/0052; B01J13/0056; B01J13/006; C; C01; C01F; C01F7/00; C01F7/02; C01F7/34; C01F7/36; C01F7/42; C01F7/428
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A PROCESS FOR PRODUCING METAL OXIDE GELS CONTAINING ALUMINUM WHICH COMPRISES REACTING ALUMINUM METAL WITH ANHYDROUS ANILINE AT THE BOILING POINT OF ANILINE, HYDROLYZING THE REACTION PRODUCT TO LIBERATE ANILINE AND TO FORM HYDROUS ALUMINA GEL, RECOVERING THE LIBERATED ANILINE, AND DRYING SAID ALUMINA TO FORM AN ADSORBENT ALUMINA GEL.
Claim 2
Dependent Claim
50 words
A PROCESS FOR PRODUCING METAL OXIDE GELS CONTAINING ALUMINUM WHICH COMPRISES REACTING ALUMINUM METAL WITH ANHYDROUS ANILINE AT THE BOILING POINT OF ANILINE, HYDROLYZING THE REACTION PRODUCT TO LIBERATE ANILINE AND TO FORM HYDROUS ALUMINA GEL, RECOVERING THE LIBERATED ANILINE, AND DRYING SAID ALUMINA TO FORM AN ADSORBENT ALUMINA GEL.
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) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |