US3743657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of 1,3-pentadiene-1-carboxylic acid and process for preparing same
Assignee: Tanabe Pharma Corp
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Filing: 1971-08-11
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Granted: 1973-07-03
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Expires: 1991-08-11
Abstract
Abstract A COMPOUND OF THE FORMULA: R-OH WHEREIN R IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF BENZYL, METHYLBENZYL, METHOXYBENZYL, TRIMETHOXYBENZYL, DIMETHYLAMINOBENZYL, PHENETHYL, PHENYLPROPYL, METHYLENEDIOXYPHENYL - PROPYL, OCTYLOXYPHENYL - PROPYL, BORNYL, 2-METHOXY-4-ALLYLPHENYL, 3,7-DIMETHYL-2,6-OCTADIENE-1-YL AND METHYLENEDIOXYCINNAMYL, IS CONDENSED WITH 1,3-PENTADIENE-1-CARBOXYLIC ACID, OR THE CORRESPONDING ACID HALIDE OR ACID ANHYDRIDE. THE COMPOUNDS OF THE FORMULA: CH3-CH=CH-CH=CH-COOR WHEREIN R HAS THE SAME MEANING AS DEFINED ABOVE, ARE PRODUCED. THESE COMPOUNDS ARE USEFUL AS A DEODORANT.
Inventors
- 👤 T Watanabe
- 👤 R Higuchi
- 👤 A Yamato
- 👤 K Sakai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:06
CPC Classifications
A; A61; A61Q; A61Q15/00; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/37; C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/54
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |