US4345078A
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US
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Combating arthropods with O-alkyl-O-[5-carbalkoxy-7-alkyl-pyrazolo(1,5-α)-pyrimidin-2-yl]-(thiono) (thiol)-phosphoric (phosphonic) acid esters
Assignee: Bayer AG
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Filing: 1977-09-26
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Granted: 1982-08-17
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Expires: 1997-09-26
Abstract
Abstract O-Alkyl-O-[5-carbalkoxy-7-alkyl-pyrazolo-(1,5-α)-pyrimidin-2-yl]-(thiono) (thiol)-phosphoric (phosphonic) acid esters of the formula ##STR1## in which R, R 2 and R 3 each independently is alkyl, R 1 is hydrogen or alkyl, R 4 is alkoxy, alkylthio, alkyl or phenyl, and X is oxygen or sulphur which possess arthropodicidal properties.
Inventors
- 👤 Wolfgang Hofer
- 👤 Fritz Maurer
- 👤 Hans-Jochem Riebel
- 👤 Rolf Schroder
- 👤 Ingeborg Hammann
- 👤 Wilhelm Stendel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:38
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6561; A; A01; A01N; A01N57/00; A01N57/02; A01N57/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
O,O-diethyl-O-[5-carbethoxy-7-tert.-butyl-pyrazolo(1,5-α)-pyrimidin(2)yl]-thionophosphoric acid ester of the formula ##STR11##
Claim 2
Dependent Claim
7 words
O,O-diethyl-O-[5-carbethoxy-7-tert.-butyl-pyrazolo(1,5-α)-pyrimidin(2)yl]-thionophosphoric acid ester of the formula ##STR11##
References Cited (Backward Citations)
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US3496178A
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US3478029A
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US3950337A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-08-16 | 1986-02-15 | 1986-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-16 | 1990-02-15 | 1990-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-16 | 1994-02-15 | 1994-08-17 | $7700.00 | Window Closed / Lapsed |