US3123571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Di-akene metal catalysts
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:51
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/1616; B01J31/22; B01J31/2282; B01J31/2295; C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C08; C08F; C08F10/00; B01J21/00; B01J21/02; B01J21/04; B01J21/06; B01J21/08; B01J21/12; B01J2231/00; B01J2231/60; B01J2231/64; B01J2231/641; B01J2231/645; B01J2531/00; B01J2531/50; B01J2531/56; B01J2531/60; B01J2531/62; B01J2531/64; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/06; C07C2521/08; C07C2521/12; C07C2531/00; C07C2531/16; C07C2531/22; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A MOISTURE-FREE CATALYST CONSISTING ESSENTIALLY OF A SOLID POROUS SUPORT SELECTED FROM THE GROUP SILICA, ALUMINA, AND SILICA-ALUMINA HAVING IMPREGNATED THEREIN A COMPOUND HAVING THE STRUCTURE
Claim 2
Dependent Claim
26 words
A MOISTURE-FREE CATALYST CONSISTING ESSENTIALLY OF A SOLID POROUS SUPORT SELECTED FROM THE GROUP SILICA, ALUMINA, AND SILICA-ALUMINA HAVING IMPREGNATED THEREIN A COMPOUND HAVING THE STRUCTURE
References Cited (Backward Citations)
US2564964A
Cited
US2905645A
Cited
US2879263A
Cited
FR1157748A
Cited
US2953586A
Cited
US2887471A
Cited
US2925392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |