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US3818012A Expired / Lapsed US ⏱️ 0.0 years remaining

1,2-dihydro-8-carbamoyloxyquinolines

Assignee: Novartis AG
•
Filing: 1971-09-07
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Granted: 1974-06-18
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Expires: 1991-09-07
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Abstract

Abstract Heterocyclic compounds of the formula WHEREIN R1 is hydrogen, C1-C4 alkyl, C3-C5 alkenyl or C3-C5 alkinyl, R2 is hydrogen, C1-C4 alkyl or optionally substituted C1-C6 acyl, R3 is hydrogen, C1-C6 alkyl optionally substituted by C1-C4 alkoxy groups or cyano, C3-C5 alkenyl or C3-C5 alkinyl, R4 and R5 are each hydrogen or C1-C4 alkyl, R6 and R7 are each hydrogen or C1-C4 alkyl or together are a further bond between the C atoms to which they are attached in the heterocyclic ring, and R8 is hydrogen, C1-C4 alkyl or halogen, The compound being in the form of the free base or of an acid addition salt thereof, processes for their manufacture and use as agents for pest control.

Inventors

  • 👤 E Nikles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 16:04
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/24; C07D215/26; C07D215/32; C07D215/34

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 2 words
The compound
Claim 2
Dependent Claim 2 words
The compound
Claim 3
Dependent Claim 2 words
The compound
Claim 4
Dependent Claim 2 words
The compound
Claim 5
Dependent Claim 2 words
The compound
Claim 6
Dependent Claim 2 words
The compound
Claim 7
Dependent Claim 2 words
The compound
Claim 8
Dependent Claim 2 words
The compound
Claim 9
Dependent Claim 2 words
The compound
Claim 10
Dependent Claim 2 words
The compound
Claim 11
Dependent Claim 2 words
The compound
Claim 12
Dependent Claim 2 words
The compound

References Cited (Backward Citations)

US2566723A Cited
US3088916A Cited
US3149117A Cited
US3362960A Cited
US3539578A Cited
US3538099A Cited
US3384538A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-06-17 1977-12-17 1978-06-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-06-17 1981-12-17 1982-06-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-06-17 1985-12-17 1986-06-18 $7700.00 Window Closed / Lapsed

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