US4282369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diurethanes
Assignee: BASF SE
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Filing: 1979-10-31
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Granted: 1981-08-04
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Expires: 1999-10-31
Abstract
Abstract New and valuable diurethanes having a good herbicidal action, herbicides containing these compounds, and a process for controlling the growth of unwanted plants with these compounds.
Inventors
- 👤 Ulrich Schirmer
- 👤 Wolfgang Rohr
- 👤 Bruno Wuerzer
- 👤 Kurt Fett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:08
CPC Classifications
C; C07; C07C; C07C271/00; C07C271/06; C07C271/32; C07C271/38; A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/20; A01N47/22; C07C275/00; C07C275/28; C07C275/40; C07C2603/00; C07C2603/56; C07C2603/58; C07C2603/60; C07C2603/62
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
107 words
##STR231## where R 1 and R 2 are identical or different and each denotes hydrogen, alkyl, alkoxyalkyl, or haloalkyl, R 3 denotes unsubstituted alkyl, alkyl substituted by halogen, alkoxy, unsubstituted aryl or halogen-substituted aryl, unsubstituted or halogen-substituted alkenyl, unsubstituted or halogen- or alkoxy-substituted alkynyl, R 4 denotes unsubstituted or alkyl-substituted cycloalkyl, bicycloalkyl, tricycloalkyl, phenyl with fused ring system, phenyl, or mono- or polysubstituted phenyl with the substitutents alkyl, haloalkyl, alkoxyalkyl, cycloalkyl, halogen, alkoxy, or haloalkoxy, with the provisio that R 3 and R 4 are different and W, X, Y and Z are identical or different and each denotes hydrogen, alkyl, haloalkyl, alkoxy, halogen, nitro and amino.
Claim 2
Dependent Claim
107 words
##STR231## where R 1 and R 2 are identical or different and each denotes hydrogen, alkyl, alkoxyalkyl, or haloalkyl, R 3 denotes unsubstituted alkyl, alkyl substituted by halogen, alkoxy, unsubstituted aryl or halogen-substituted aryl, unsubstituted or halogen-substituted alkenyl, unsubstituted or halogen- or alkoxy-substituted alkynyl, R 4 denotes unsubstituted or alkyl-substituted cycloalkyl, bicycloalkyl, tricycloalkyl, phenyl with fused ring system, phenyl, or mono- or polysubstituted phenyl with the substitutents alkyl, haloalkyl, alkoxyalkyl, cycloalkyl, halogen, alkoxy, or haloalkoxy, with the provisio that R 3 and R 4 are different and W, X, Y and Z are identical or different and each denotes hydrogen, alkyl, haloalkyl, alkoxy, halogen, nitro and amino.
Claim 3
Dependent Claim
72 words
A diurethane of the formula ##STR232## wherein R 2 is H or alkyl of 1-3 carbon atoms; R 3 is alkyl of 1-4 carbon atoms, alkenyl of 2-4 carbon atoms or alkynyl of 3-4 carbon atoms; and R 4 is cycloalkyl of 5-10 carbon atoms, unsubstituted phenyl or phenyl either mono- or poly-substituted by halogen, alkyl of 1-3 carbon atoms, or methoxy, the substituents on said substituted phenyl being identical or different.
Claim 4
Dependent Claim
72 words
A diurethane of the formula ##STR232## wherein R 2 is H or alkyl of 1-3 carbon atoms; R 3 is alkyl of 1-4 carbon atoms, alkenyl of 2-4 carbon atoms or alkynyl of 3-4 carbon atoms; and R 4 is cycloalkyl of 5-10 carbon atoms, unsubstituted phenyl or phenyl either mono- or poly-substituted by halogen, alkyl of 1-3 carbon atoms, or methoxy, the substituents on said substituted phenyl being identical or different.
References Cited (Backward Citations)
US3470232A
Cited
US3954770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-08-03 | 1985-02-02 | 1985-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-03 | 1989-02-02 | 1989-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-03 | 1993-02-02 | 1993-08-04 | $7700.00 | Window Closed / Lapsed |