Patent US3496247A successfully refreshed from Google Patents.
US3496247A
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Process for preparing hexadienes
Assignee: Toray Industries Inc
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Filing: 1966-05-20
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Granted: 1970-02-17
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Expires: 1986-05-20
Abstract
No abstract record available.
Inventors
- 👤 Sadao Yuguchi
- 👤 Masao Iwamoto
- 👤 Akihisa Miyake
- 👤 Go Hata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:35
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/24; B01J31/2404; B01J31/02; B01J31/12; B01J31/14; B01J31/143; B01J31/18; B01J31/1845; B01J31/185; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2234; B01J31/26; B01J31/28; B01J31/30; C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/324; B01J2231/326; B01J2531/00; B01J2531/80; B01J2531/84; B01J2531/845; C07C2527/00; C07C2527/02; C07C2527/053; C07C2527/06; C07C2527/128; C07C2527/20; C07C2527/232; C07C2527/24; C07C2527/25; C07C2531/00; C07C2531/02; C07C2531/04; C07C2531/16; C07C2531/22
Claims Analysis
Total Claims: 0
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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) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |