Patent US3052736A successfully refreshed from Google Patents.
US3052736A
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Process for the production of cyclodo-decatri-(1, 5, 9)-enes and other cyclic hydrocarbons
Assignee: Studiengesellschaft Kohle gGmbH
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Filing: 1959-07-27
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Granted: 1962-09-04
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Expires: 1979-07-27
Abstract
No abstract record available.
Inventors
- 👤 Wilke Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:12
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/42; C07C2/44; C07C2/46; C07C2/465; C07C2527/00; C07C2527/06; C07C2527/132; C07C2527/135; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/14; C07C2601/00; C07C2601/18; C07C2601/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
PROCESS FOR THE PRODUCTION OF CYCLODODECATRI-1,5,9ENES WHICH COMPRISES CONTACTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF BUTADIENE, ISOPRENE AND PIPERYLENE WITH A CATALYST COMPRISING A METAL HALIDE SELECTED FROM THE GROUP CONSISTING OF TITANIUM HALIDES AND CHROMIUM HALIDES AND A METAL HYDRIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM HYDRIDE AND COMPLEX METAL HYDRIDE, TO THEREBY PRODUCE CYCLODODECATRI-1,5,9-ENE WITH OTHER CYCLIC HYDROCARBONS HAVING AT LEAST 8 CARBON ATOMS AND AT LEAST TWO DOUBLE BONDS IN THE RING.
Claim 2
Dependent Claim
78 words
PROCESS FOR THE PRODUCTION OF CYCLODODECATRI-1,5,9ENES WHICH COMPRISES CONTACTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF BUTADIENE, ISOPRENE AND PIPERYLENE WITH A CATALYST COMPRISING A METAL HALIDE SELECTED FROM THE GROUP CONSISTING OF TITANIUM HALIDES AND CHROMIUM HALIDES AND A METAL HYDRIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM HYDRIDE AND COMPLEX METAL HYDRIDE, TO THEREBY PRODUCE CYCLODODECATRI-1,5,9-ENE WITH OTHER CYCLIC HYDROCARBONS HAVING AT LEAST 8 CARBON ATOMS AND AT LEAST TWO DOUBLE BONDS IN THE RING.
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) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |