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Patent US2965684A successfully refreshed from Google Patents.
US2965684A
Expired / Lapsed
US
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Process for the storage of acetylene
Assignee: Wacker Chemie AG
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Filing: 1959-03-31
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Granted: 1960-12-20
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Expires: 1979-03-31
Abstract
No abstract record available.
Inventors
- 👤 Fruhwirth Otto
- 👤 Pichl Eduard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:44
CPC Classifications
C; C10; C10L; C10L3/00; C10L3/02; C10L3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR THE PREPARATION OF ACETYLENE FOR STORAGE, WHICH COMPRISES REACTING ACETYLENE WITH POTASSIUM HYDROXIDE HAVING A WATER CONTENT BETWEEN 10 TO 40% IN THE ABSENCE OF ORGANIC SOLVENTS AT A TEMPERATURE FROM 50 TO 100*C. TO FORM A STORABLE ADDITION PRODUCT FROM WHICH ACETYLENE MAY BE REGENERATED BY THE ADDITION OF WATER.
Claim 2
Dependent Claim
54 words
A PROCESS FOR THE PREPARATION OF ACETYLENE FOR STORAGE, WHICH COMPRISES REACTING ACETYLENE WITH POTASSIUM HYDROXIDE HAVING A WATER CONTENT BETWEEN 10 TO 40% IN THE ABSENCE OF ORGANIC SOLVENTS AT A TEMPERATURE FROM 50 TO 100*C. TO FORM A STORABLE ADDITION PRODUCT FROM WHICH ACETYLENE MAY BE REGENERATED BY THE ADDITION OF WATER.
References Cited (Backward Citations)
US2422251A
Cited
US2455058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |