Patent US2560685A successfully refreshed from Google Patents.
Patent US3102919A successfully refreshed from Google Patents.
US3102919A
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Process for the removal of carbon monoxide from olefin-containing gas mixtures
Assignee: Hoechst AG
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Filing: 1960-05-06
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Granted: 1963-09-03
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Expires: 1980-05-06
Abstract
No abstract record available.
Inventors
- 👤 Hirschbeck Joseph
- 👤 Lohofer Freimuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:27
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/62; C; C10; C10K; C10K1/00; C10K1/08; C10K1/10; C10K1/105; C10K1/108; Y; Y02; Y02A; Y02A50/00; Y02A50/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS FOR THE CONVERSION OF SMALL AMOUNTS OF CARBON MONOXIDE, CONTAINED IN A GASEOUS MIXTURE COMPRISING OLEFINS, INTO CARBON DIOXIDE, WHICH PROCESS COMPRISES CONTACTING SAID GASEOUS MIXTURE WITH AN ACIDIC SOLUTION CONTANING AS ESSENTIAL INGREDIENTS CUPROUS AND CUPRIC COPPER, AND ABOUT 0.2 TO 0.5 GRAM PER 100 GRAMS OF COPPER OF A NOBLE METAL SALT OF GROUP VIII OF THE PERIODIC SYSTEM AS CATALYST.
Claim 2
Dependent Claim
65 words
A PROCESS FOR THE CONVERSION OF SMALL AMOUNTS OF CARBON MONOXIDE, CONTAINED IN A GASEOUS MIXTURE COMPRISING OLEFINS, INTO CARBON DIOXIDE, WHICH PROCESS COMPRISES CONTACTING SAID GASEOUS MIXTURE WITH AN ACIDIC SOLUTION CONTANING AS ESSENTIAL INGREDIENTS CUPROUS AND CUPRIC COPPER, AND ABOUT 0.2 TO 0.5 GRAM PER 100 GRAMS OF COPPER OF A NOBLE METAL SALT OF GROUP VIII OF THE PERIODIC SYSTEM AS CATALYST.
References Cited (Backward Citations)
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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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |