US3884671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal n-haloacyl (2-alkylated) oxazolidines
Assignee: SCM Glidco Organics Corp
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Filing: 1973-07-27
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Granted: 1975-05-20
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Expires: 1993-07-27
Abstract
Abstract N-haloacyl oxazolidines mono or dialkylated with C1-12 alkyl groups at the 2-position and with C1-8 alkyl groups in the 4 and 5 positions of the oxazolidine ring have been found to be selective herbicides for the protection of crop plants.
Inventors
- 👤 James A Albright
- 👤 Kenneth P Dorschner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:43
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/02; C07D263/04; C07D263/06; A; A01; A01N; A01N43/00; A01N43/72; A01N43/74; A01N43/76
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
54 words
A PROCESS FOR CONTROLLING GROWTH OF UNDERISABLE WEEDS AMONGST CROP PLANTS WHICH COMPRISES APPLYING TO THE LOCUS THEREOF A HERBICIDALLY EFFECTIVE AMOUNT OF AN N-(C2-4HALOACYL) OXAZOLIDINE ALKYLATED IN THE 2-POSITION WITH AT LEAST ONE C1-12 ALKYL GROUP AND HAVING THE 4 AND 5 CARBON ATOM VALENCES SATISFIED BY HYDROGEN ATOMS OR C1-16 ALKYL GROUPS.
Claim 2
Dependent Claim
54 words
A PROCESS FOR CONTROLLING GROWTH OF UNDERISABLE WEEDS AMONGST CROP PLANTS WHICH COMPRISES APPLYING TO THE LOCUS THEREOF A HERBICIDALLY EFFECTIVE AMOUNT OF AN N-(C2-4HALOACYL) OXAZOLIDINE ALKYLATED IN THE 2-POSITION WITH AT LEAST ONE C1-12 ALKYL GROUP AND HAVING THE 4 AND 5 CARBON ATOM VALENCES SATISFIED BY HYDROGEN ATOMS OR C1-16 ALKYL GROUPS.
Claim 3
Dependent Claim
10 words
The process of claim 1 wherein the haloacyl is chloroacyl.
Claim 4
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-propyl-2,4-dimethyl-oxazolidine.
Claim 5
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-pentyl-4,4-dimethyl-oxazolidine.
Claim 6
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-propyl-2,5-dimethyl-oxazolidine.
Claim 7
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-(2'',6''-dimethylheptyl)-4,4-dimethyl-oxazolidine.
References Cited (Backward Citations)
US3221021A
Cited
US3707541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-19 | 1978-11-18 | 1979-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-19 | 1982-11-18 | 1983-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-19 | 1986-11-18 | 1987-05-20 | $7700.00 | Window Closed / Lapsed |