US3086066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of acetylenic impurities from olefins by selective polymerization
Assignee: MW Kellogg Co
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Filing: 1960-01-22
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Granted: 1963-04-16
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Expires: 1980-01-22
Abstract
No abstract record available.
Inventors
- 👤 Breiter Samuel
- 👤 Heinemann Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:27
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C07C7/177
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PROCESS FOR TREATING A MIXTURE COMPRISING AN ACETYLENE AND A MONOOLEFIN WHICH COMPRISES CONTACTING SAID MIXTURE WITH A DEACTIVATED CRACKING CATALYST SELECTED FROM THE GROUP CONSISTING OF SILICA-MAGNESIA, SILICAZIRCONIA AND ALUMINA-BORIA AND CONTAINING AN ALKALI METAL OXIDE AS A DEACTIVATING AGENT AT A TEMPERATURE BETWEEN ABOUT 400*F. AND ABOUT 1000*F. TO SELECTIVELY POLYMERIZE THE ACETYLENE, AND SEPARATING MONOOLEFIN FROM THE POLYMERIZED ACETYLENE AS A PRODUCT OF THE PROCESS.
Claim 2
Dependent Claim
69 words
A PROCESS FOR TREATING A MIXTURE COMPRISING AN ACETYLENE AND A MONOOLEFIN WHICH COMPRISES CONTACTING SAID MIXTURE WITH A DEACTIVATED CRACKING CATALYST SELECTED FROM THE GROUP CONSISTING OF SILICA-MAGNESIA, SILICAZIRCONIA AND ALUMINA-BORIA AND CONTAINING AN ALKALI METAL OXIDE AS A DEACTIVATING AGENT AT A TEMPERATURE BETWEEN ABOUT 400*F. AND ABOUT 1000*F. TO SELECTIVELY POLYMERIZE THE ACETYLENE, AND SEPARATING MONOOLEFIN FROM THE POLYMERIZED ACETYLENE AS A PRODUCT OF THE PROCESS.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |