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Patent US4882321A successfully refreshed from Google Patents.
US4882321A
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US
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Thionophosphonic acid ester arthropodicides
Assignee: Bayer AG
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Filing: 1988-02-05
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Granted: 1989-11-21
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Expires: 2008-02-05
Abstract
Abstract Arthropodicidally active O-(6-alkoxy-2-tert-butylpyrimidin-4-yl)-O-methyl-thionoethanephosphonic acid diesters of the formula ##STR1## in which R represents alkyl with 1 to 4 carbon atoms or cycloalkyl with 3 or 4 carbon atoms. The intermediate where R is replaced by H is also new.
Inventors
- 👤 Fritz Maurer
- 👤 Herbert Sommer
- 👤 Wolfgang Behrenz
- 👤 Bernhard Homeyer
- 👤 Wilhelm Stendel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:17
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; A; A01; A01N; A01N57/00; A01N57/18; A01N57/24; C07F9/645; C07F9/6509; C07F9/6512
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
27 words
An O-(6-alkoxy-2-tert-butyl-pyrimidin-4-yl)-O-methylthionoethanephosphonic acid diester of the formula ##STR20## in which R represents alkyl with 1 to 4 carbon atoms or cycloalkyl with 3 or 4 carbon atoms.
Claim 2
Dependent Claim
27 words
An O-(6-alkoxy-2-tert-butyl-pyrimidin-4-yl)-O-methylthionoethanephosphonic acid diester of the formula ##STR20## in which R represents alkyl with 1 to 4 carbon atoms or cycloalkyl with 3 or 4 carbon atoms.
Claim 3
Dependent Claim
16 words
Compounds according to claim 1, in which R is alkyl with 1 to 4 carbon atoms.
Claim 4
Dependent Claim
17 words
A compound according to claim 1, wherein such compound is O-(6-methoxy-2-tert-butyl-pyrimidin-4-yl)-O-methyl-thionoethanephosphonic acid diester of the formula ##STR21##
Claim 5
Dependent Claim
17 words
A compound according to claim 1, wherein such compound O-(6-ethoxy-2-tert-butyl-pyrimidin-4-yl)-O- methyl-thionoethanephosphonic acid diester of the formula ##STR22##
Claim 6
Dependent Claim
18 words
An arthropodicidal composition comprising an arthropodicidally effective amount of a compound according to claim 1 and a diluent.
Claim 7
Dependent Claim
27 words
A method of combating arthropods which comprises applying to such arthropods or to an arthropod habitat an arthropodicidally effective amount of a compound according to claim 1.
Claim 8
Dependent Claim
17 words
The method according to claim 6, wherein such compound is O-(6-methoxy-2-tert-butyl-pyrimidin-4-yl)-O-methyl-thionoethanephosphonic acid diester, or O-(6-ethoxy-2-tert-butyl-pyrimidin-4-yl)-O-methyl-thionoethanephosphonic acid diester.
Claim 9
Dependent Claim
6 words
The compound of the formula ##STR23##
Claim 10
Dependent Claim
6 words
The compound of the formula ##STR23##
References Cited (Backward Citations)
FR2351989A1
Cited
US4115542A
Cited
US4152426A
Cited
FR2365578A1
Cited
US4150159A
Cited
US4188383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-11-20 | 1993-05-22 | 1993-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-11-20 | 1997-05-22 | 1997-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-11-20 | 2001-05-22 | 2001-11-21 | $7700.00 | Window Closed / Lapsed |