US3983176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzophenones as plant growth regulants
Assignee: Nippon Kayaku Co Ltd
•
Filing: 1974-11-14
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Granted: 1976-09-28
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Expires: 1994-11-14
Abstract
Abstract Novel plant growth regulants of the formula: ##SPC1## Wherein R 1 and R 2 , which may be the same or different, each represent hydrogen atoms or lower alkyl groups, R 3 is a lower alkyl group or a chlorine atom and R 4 is a lower alkyl group or an allyl group.
Inventors
- 👤 Osamu Yamada
- 👤 Akira Kurozumi
- 👤 Shuichi Ishida
- 👤 Fumio Futatsuya
- 👤 Kensaku Ito
- 👤 Hiroshi Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:10
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/76; C07C49/84; C07C45/00; C07C45/45; C07C45/46
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
41 words
A compound of the general formula: ##SPC4## wherein R 4 is a lower alkyl group or allyl group. R 5 and R 6 each stand for lower alkyl groups and R 7 is a hydrogen atom or a lower alkyl group.
Claim 2
Dependent Claim
41 words
A compound of the general formula: ##SPC4## wherein R 4 is a lower alkyl group or allyl group. R 5 and R 6 each stand for lower alkyl groups and R 7 is a hydrogen atom or a lower alkyl group.
Claim 3
Dependent Claim
35 words
A compound according to claim 1 wherein R 4 is a lower alkyl group or allyl group, R 5 is a lower alkyl group, R 6 is methyl group and R 7 is hydrogen atom.
References Cited (Backward Citations)
US2671016A
Cited
US3526666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-28 | 1980-03-29 | 1980-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-28 | 1984-03-29 | 1984-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-28 | 1988-03-29 | 1988-09-28 | $7700.00 | Window Closed / Lapsed |