US2625519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation catalysts
Assignee: EIDP Inc
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Filing: 1950-03-07
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Granted: 1953-01-13
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Expires: 1970-03-07
Abstract
No abstract record available.
Inventors
- 👤 Hartig Martval John Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:46
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C51/252; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/887; B01J23/8877; B01J27/00; B01J27/14; B01J27/186; B01J27/188; B01J27/19; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/37; C07C45/38; C07C51/215; C07C51/23; C07C51/235; C07C51/54; B01J2523/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A PRECIPITATED OXIDE CATALYST FOR THE OXIDATION OF ORGANIC COMPOUNDS IN THE VAPOR PHASE CONSISTING ESSENTIALLY OF MOLYBDENUM OXIDE COMBINED WITH A BASIC METAL OXIDE FROM THE GROUP CONSISTING OF OXIDES FROM COBALT AND NICKEL, TOGETHER WITH AN ACIDIC PROMOTER, SAID PROMOTER BEING AN OXIDE OF AN ELEMENT OF THE CLASS CONSISTING OF BORON, PHOSPHORUS, AND VANADIUM, THE PROPORTION OF ACIDIC PROMOTER CALCULATED ON THE WEIGHT OF THE SAID ELEMENT BEING 0.1% TO 15% OF THE WEIGHT OF THE SAID CATALYST, THE BASIC METAL OXIDE COMPONENT OF THE CATALYST BEING THE PRECIPITATE FORMED BY PRECIPITATION OF THE SAID BASIC METAL AS MOLYBDATE FROM AN AQUEOUS MEDIUM CONTAINING AN AMOUNT OF MOLYBDENUM IN THE FORM OF MOLYBDATE STOICHIOMETRICALLY IN EXCESS OF THE AMOUNT OF THE SAID BASIC METAL, THE ATOMIC RATIO OF THE BASIC METAL TO MOLYBDENUM IN THE PRECIPITATED CATALYST BEING FROM .90:1 TO 62:1.
Claim 2
Dependent Claim
145 words
A PRECIPITATED OXIDE CATALYST FOR THE OXIDATION OF ORGANIC COMPOUNDS IN THE VAPOR PHASE CONSISTING ESSENTIALLY OF MOLYBDENUM OXIDE COMBINED WITH A BASIC METAL OXIDE FROM THE GROUP CONSISTING OF OXIDES FROM COBALT AND NICKEL, TOGETHER WITH AN ACIDIC PROMOTER, SAID PROMOTER BEING AN OXIDE OF AN ELEMENT OF THE CLASS CONSISTING OF BORON, PHOSPHORUS, AND VANADIUM, THE PROPORTION OF ACIDIC PROMOTER CALCULATED ON THE WEIGHT OF THE SAID ELEMENT BEING 0.1% TO 15% OF THE WEIGHT OF THE SAID CATALYST, THE BASIC METAL OXIDE COMPONENT OF THE CATALYST BEING THE PRECIPITATE FORMED BY PRECIPITATION OF THE SAID BASIC METAL AS MOLYBDATE FROM AN AQUEOUS MEDIUM CONTAINING AN AMOUNT OF MOLYBDENUM IN THE FORM OF MOLYBDATE STOICHIOMETRICALLY IN EXCESS OF THE AMOUNT OF THE SAID BASIC METAL, THE ATOMIC RATIO OF THE BASIC METAL TO MOLYBDENUM IN THE PRECIPITATED CATALYST BEING FROM .90:1 TO 62:1.
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) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |