US3009946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing chrysanthemumdicarboxylic acid and esters thereof
Assignee: Institute of Insect Control
•
Filing: 1959-02-27
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Granted: 1961-11-21
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Expires: 1979-02-27
Abstract
No abstract record available.
Inventors
- 👤 Takei Sankichi
- 👤 Inouye Yuzo
- 👤 Ohno Minoru
- 👤 Sugita Toshio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:37
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/608; C07C67/00; C07C67/30; C07C67/333; C07C2601/00; C07C2601/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A PROCESS FOR PREPARING ESTERS OF CHRYSANTHEMUMDICARBOXYLIC ACID COMPRISING CONTACTING A COMPOUND OF THE FORMULA,
Claim 2
Dependent Claim
15 words
A PROCESS FOR PREPARING ESTERS OF CHRYSANTHEMUMDICARBOXYLIC ACID COMPRISING CONTACTING A COMPOUND OF THE FORMULA,
References Cited (Backward Citations)
US2727900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |