US3200167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the removal of acetylenic hydrocarbons by selective catalyst hydrogenation
Assignee: Huels AG
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Filing: 1962-07-02
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Granted: 1965-08-10
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 Reich Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:20
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C07C7/163; C07C7/167; B; B01; B01J; B01J23/00; B01J23/70; B01J23/72; C07C5/00; C07C5/02; C07C5/08; C07C2523/00; C07C2523/70; C07C2523/72; C07C2523/76; C07C2523/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A MIXED CATALYST COMPOSITION CONSISTING ESSENTIALLY OF, IN PARTS BY WEIGHT, AS ACTIVE COMPONENTS, 5-50 PARTS METALLIC COPPER, PER 0L1-50 PARTS BASED ON THE METALLIC PORTION, OF A COMPOUND OF A METAL, THE OXIDE OF WHICH BEING UNREDUCIBLE WITH HYDROGEN TO THE METAL AT TEMPERATURES BELOW 600*C., SAID COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF OXIDES, HYDRO-OXIDES AND, CARBONATES OF A METAL SELECTED FROM THE GROUP CONSISTING OF LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CESIUM, BERYLLIUM, MAGNESIUM, CALCIUM, STRONTIUM, AND BARIUM.
Claim 2
Dependent Claim
80 words
A MIXED CATALYST COMPOSITION CONSISTING ESSENTIALLY OF, IN PARTS BY WEIGHT, AS ACTIVE COMPONENTS, 5-50 PARTS METALLIC COPPER, PER 0L1-50 PARTS BASED ON THE METALLIC PORTION, OF A COMPOUND OF A METAL, THE OXIDE OF WHICH BEING UNREDUCIBLE WITH HYDROGEN TO THE METAL AT TEMPERATURES BELOW 600*C., SAID COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF OXIDES, HYDRO-OXIDES AND, CARBONATES OF A METAL SELECTED FROM THE GROUP CONSISTING OF LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CESIUM, BERYLLIUM, MAGNESIUM, CALCIUM, STRONTIUM, AND BARIUM.
References Cited (Backward Citations)
US2426604A
Cited
US2517223A
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US2864873A
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US2771380A
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US3076858A
Cited
US3052735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |