Patent US829072A successfully refreshed from Google Patents.
Patent US3198753A successfully refreshed from Google Patents.
US3198753A
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US
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Catalyst composition consisting of the oxides of molybdenum, iron and cobalt
Assignee: Montedison SpA
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Filing: 1961-03-20
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Granted: 1965-08-03
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Expires: 1981-03-20
Abstract
No abstract record available.
Inventors
- 👤 Traina Francesco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:05
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/882; C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/37; C07C45/38; F16K27/00; B01J2523/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
A NON-SUPPORTED ACTIVE CATALYST FOR THE CATALYTIC OXIDATION OF METHANOL TO FORMALYUDEHYDE, CONSISTING OF MOLYBDENUM OXIDE, IRON OXIDE AND COBALT OXIDE, THE WEIGHT RATIOS OF MO/FE AND MO/CO IN THE FINISHED PRODUCT BEING RESPECTIVELY BETWEEN 4.25 AND 4.6 AND BETWEEN 20 AND 30, AND HAVING LESS THAN 0.13 G. CL/100 G. MO.
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |