US3235613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of 1, 5, 9-cyclododecatrienes
Assignee: Chevron USA Inc
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Filing: 1963-01-09
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Granted: 1966-02-15
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Expires: 1983-01-09
Abstract
No abstract record available.
Inventors
- 👤 Seymour J Lapporte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:38
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/12; B01J31/14; B01J31/143; B01J31/04; C; C07; C07C; C07C2/00; C07C2/02; C07C2/42; C07C2/44; C07C2/46; C07C2/465; B01J2231/00; B01J2231/20; C07C2531/00; C07C2531/02; C07C2531/04; C07C2531/12; C07C2601/00; C07C2601/18; C07C2601/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
PROCESS FOR THE PRODUCTION OF 1,5,9-CYCLODODECATRIENES WHICH COMPRISES CONTACTING IN THE PRESENCE OF AN INERT LIQUID DILUENT AT A TEMPERATURE IN THE RANGE 0*200*C. UNDER AUTOGENOUS PRESSURE ACYCLIC 1,3-CONJUGATED DIENE HYDROCARBONS HAVING FROM 4-10 CARBON ATOMS PER MOLECULE IN THE PRESENCE OF THE CATALYST CONSISTING ESSENTIALLY OF THE REACTION PRODUCT OBTAINED BY REACTING (A) ONE FORMULA WEIGHT OF A NICKEL SALT OF AN ACIDIC ORGANIC COMPOUND HAVING A PKA IN THE RANGE FROM ABOUT 1-20, CONTAINING IN AN UNREACTIVE CARBON SKELETON FROM 1-25 CARBON ATOMS AND FROM 1-2 ACIDIC HYDROGEN ATOMS PER MOLECULE AND ONLY CARBON, HYDROGEN, AND OXYGEN, AND (B) FROM 1-6 MOLS OF A COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim
111 words
PROCESS FOR THE PRODUCTION OF 1,5,9-CYCLODODECATRIENES WHICH COMPRISES CONTACTING IN THE PRESENCE OF AN INERT LIQUID DILUENT AT A TEMPERATURE IN THE RANGE 0*200*C. UNDER AUTOGENOUS PRESSURE ACYCLIC 1,3-CONJUGATED DIENE HYDROCARBONS HAVING FROM 4-10 CARBON ATOMS PER MOLECULE IN THE PRESENCE OF THE CATALYST CONSISTING ESSENTIALLY OF THE REACTION PRODUCT OBTAINED BY REACTING (A) ONE FORMULA WEIGHT OF A NICKEL SALT OF AN ACIDIC ORGANIC COMPOUND HAVING A PKA IN THE RANGE FROM ABOUT 1-20, CONTAINING IN AN UNREACTIVE CARBON SKELETON FROM 1-25 CARBON ATOMS AND FROM 1-2 ACIDIC HYDROGEN ATOMS PER MOLECULE AND ONLY CARBON, HYDROGEN, AND OXYGEN, AND (B) FROM 1-6 MOLS OF A COMPOUND OF THE GENERAL FORMULA
References Cited (Backward Citations)
AT219580B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |