Patent US2833808A successfully refreshed from Google Patents.
US2833808A
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Telomerization
Assignee: Evonik Operations GmbH
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Filing: 1957-01-11
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Granted: 1958-05-06
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Expires: 1977-01-11
Abstract
No abstract record available.
Inventors
- 👤 Brendlein Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:00
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/26; C07C17/272; C07C17/275
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A PROCESS FOR THE PRODUCTION OF TELOMERIZATION PRODUCTS BY REACTING A HALOGEN CONTAINING TELOGEN WITH AN OLEFINIC TAXOGEN IN THE PRESENCE OF A RADICAL FORMING CATALYST IN WHICH NON-REACTED OLEFINIC TAXOGEN IS RECYCLED TO THE REACTION ZONE, THE STEP WHICH COMPRISES CONTACTING THE RECYCLING OLEFINIC TAXOGEN OUTSIDE OF THE REACTION ZONE WITH CALCIUM OXIDE TO REMOVE THE HYDROHALIDE FORMED AS A BY-PRODUCT IN THE TELOMERIZATION REACTION.
Claim 2
Dependent Claim
67 words
IN A PROCESS FOR THE PRODUCTION OF TELOMERIZATION PRODUCTS BY REACTING A HALOGEN CONTAINING TELOGEN WITH AN OLEFINIC TAXOGEN IN THE PRESENCE OF A RADICAL FORMING CATALYST IN WHICH NON-REACTED OLEFINIC TAXOGEN IS RECYCLED TO THE REACTION ZONE, THE STEP WHICH COMPRISES CONTACTING THE RECYCLING OLEFINIC TAXOGEN OUTSIDE OF THE REACTION ZONE WITH CALCIUM OXIDE TO REMOVE THE HYDROHALIDE FORMED AS A BY-PRODUCT IN THE TELOMERIZATION REACTION.
References Cited (Backward Citations)
US2768196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |