US4085212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pesticidal dihydrotetrazolo [1,5-a] quinazoline compound and processes and compositions for using the same
Assignee: Imperial Chemical Industries Ltd
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Filing: 1976-08-06
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Granted: 1978-04-18
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Expires: 1996-08-06
Abstract
Abstract A dihydrotetrazolo[1,5-a]quinazoline compound which in free base form has the formula: <IMAGE> wherein R3 is hydrogen, hydroxy or dialkylamino of from 1 to 4 carbon atoms; R2 is dialkylamino when R3 is dialkylamino and R2 is hydrogen when R3 is hydrogen or hydroxy; and R is a lower alkyl of from 1 to 4 carbon atoms. Pesticidal compositions containing such compound and priocesses for using the same to combat pests, especially fungi, are also disclosed.
Inventors
- 👤 Raymond Alexander Burrell
- 👤 John Michael Cos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:46
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02; C07D257/04; A; A01; A01N; A01N43/00; A01N43/90; C07D239/00; C07D239/70; C07D239/72; C07D239/86; C07D239/93; C07D239/94; C07D257/06; C07D487/00; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
68 words
A dihydrotetrazolo[1,5-a]quinazoline compound which in free base form has the formula: ##STR11## wherein R 3 is hydrogen, hydroxy or dialkylamino of from 1 to 4 carbon atoms; R 2 is dialkylamino of from 1 to 4 carbon atoms when R 3 is dialkylamino and R 2 is hydrogen when R 3 is hydrogen or hydroxy; and R is a lower alkyl of from 1 to 4 carbon atoms.
Claim 2
Dependent Claim
68 words
A dihydrotetrazolo[1,5-a]quinazoline compound which in free base form has the formula: ##STR11## wherein R 3 is hydrogen, hydroxy or dialkylamino of from 1 to 4 carbon atoms; R 2 is dialkylamino of from 1 to 4 carbon atoms when R 3 is dialkylamino and R 2 is hydrogen when R 3 is hydrogen or hydroxy; and R is a lower alkyl of from 1 to 4 carbon atoms.
Claim 3
Dependent Claim
13 words
A quinazoline compound according to claim 1 and having the structural formulae: ##STR12##
Claim 4
Dependent Claim
13 words
A quinazoline compound according to claim 1 and having the structural formula: ##STR13##
Claim 5
Dependent Claim
13 words
A quinazoline compound according to claim 1 and having the structural formula: ##STR14##
Claim 6
Dependent Claim
30 words
A pesticidal composition comprising as active ingredient, an effective amount of a quinazoline compound having in free base form the structural formula: ##STR15## together with a carrier for said derivative.
Claim 7
Dependent Claim
30 words
A pesticidal composition comprising as active ingredient, an effective amount of a quinazoline compound having in free base form the structural formula: ##STR15## together with a carrier for said derivative.
Claim 8
Dependent Claim
30 words
A process for combating fungi which comprises subjecting said fungi to a fungicidally effective amount of a dihydrotetrazolo [1,5-a] compound which in free base form has the structural formula: ##STR16##
Claim 9
Dependent Claim
30 words
A process for combating fungi which comprises subjecting said fungi to a fungicidally effective amount of a dihydrotetrazolo [1,5-a] compound which in free base form has the structural formula: ##STR16##
References Cited (Backward Citations)
US3389137A
Cited
US3835137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-17 | 1981-10-17 | 1982-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-17 | 1985-10-17 | 1986-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-17 | 1989-10-17 | 1990-04-18 | $7700.00 | Window Closed / Lapsed |