US3309418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing hexadienes
Assignee: Toray Industries Inc
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Filing: 1964-11-17
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Granted: 1967-03-14
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Expires: 1984-11-17
Abstract
No abstract record available.
Inventors
- 👤 Hata Go
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:10
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2527/00; C07C2527/06; C07C2527/128; C07C2531/00; C07C2531/02; C07C2531/04; C07C2531/12; C07C2531/14; C07C2531/16; C07C2531/22; C07C2531/26; C07C2531/28; C07C2531/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A PROCESS FOR PRODUCING HEXADIENES WHICH COMPRISES REACTING A CONJUGATE DIOLEFINIC HYDROCARBON WITH ETHYLENE IN THE PRESENCE OF A CATALYTIC AMOUNT OF A COMPOSITION CONSISTING OF THE TWO COMPONENTS OF: (1) AN IRON COMPOUND AND (2) AN ORGANOALUMINUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) THE COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
51 words
A PROCESS FOR PRODUCING HEXADIENES WHICH COMPRISES REACTING A CONJUGATE DIOLEFINIC HYDROCARBON WITH ETHYLENE IN THE PRESENCE OF A CATALYTIC AMOUNT OF A COMPOSITION CONSISTING OF THE TWO COMPONENTS OF: (1) AN IRON COMPOUND AND (2) AN ORGANOALUMINUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) THE COMPOUNDS OF THE FORMULA
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |