US4073812A
Expired / Lapsed
US
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Benzyl ethers
Assignee: Shell USA Inc
•
Filing: 1977-03-01
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Granted: 1978-02-14
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Expires: 1997-03-01
Abstract
Abstract Pesticidal benzyl ethers of the formula: ##STR1## wherein each symbol has a meaning defined in the specification.
Inventors
- 👤 Michael J. Bull
- 👤 Robert J. G. Searle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:31
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/257; C07C43/263; C07C323/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
62 words
A compound of the formula: ##STR5## wherein m is one or two, R is halogen, or is straight-chain or branched-chain alkyl or alkoxy of one to six carbon atoms, R 1 is branched-chain alkyl of three to six carbon atoms, R 2 is hydrogen or alkynyl of two to four carbon atoms, n is zero or 1, and R 3 is fluorine.
Claim 2
Dependent Claim
62 words
A compound of the formula: ##STR5## wherein m is one or two, R is halogen, or is straight-chain or branched-chain alkyl or alkoxy of one to six carbon atoms, R 1 is branched-chain alkyl of three to six carbon atoms, R 2 is hydrogen or alkynyl of two to four carbon atoms, n is zero or 1, and R 3 is fluorine.
Claim 3
Dependent Claim
22 words
A compound according to claim 1 wherein R is chlorine, methyl or methoxy, R 1 is isopropyl and R 2 is hydrogen.
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) | 1981-02-13 | 1981-08-15 | 1982-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-13 | 1985-08-15 | 1986-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-13 | 1989-08-15 | 1990-02-14 | $7700.00 | Window Closed / Lapsed |