US3881908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal N-haloacyl (2-spirocycloaliphatic) oxazolidines
Assignee: SCM Glidco Organics Corp
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Filing: 1973-07-27
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Granted: 1975-05-06
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Expires: 1993-07-27
Abstract
Abstract N-haloacyl (2-spirocyclopentyl, 2-spirocyclohexyl and 2spirocycloheptyl) oxazolidines including those substituted at the 4 and 5 positions with lower alkyl groups are selective herbicides for the protection of crop plants including corn, cotton and peanuts.
Inventors
- 👤 Kenneth P Dorschner
- 👤 James A Albright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:04
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/72; A01N43/74; A01N43/76
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
56 words
A PROCESS FOR CONTROLLING UNDESIRABLE GROWTH OF VEGETATION WHICH COMRPISES APPLYING TO THE LOCUS THEREOF A HERBICIDALLY EFFECTIVE AMOUNT OF AN N-HALOACYL (2-SPIROCYCLOALIPHATIC) OXAZOLIDINE WHEREIN THE HALOACYL IS C2-4 ACYL, THE 4 AND 5 CARBON ATOM VALENCES ARE SATISFIED BY HYDROGEN ATOMS OR C16 ALKYL GROUPS, AND SAID SPIROCYCLOALIPHATIC GROUP IS CYCLOPENTYL, CYCLOHEXYL, CYCLOHEXENYL OR CYCLOHEXPTYL.
Claim 2
Dependent Claim
56 words
A PROCESS FOR CONTROLLING UNDESIRABLE GROWTH OF VEGETATION WHICH COMRPISES APPLYING TO THE LOCUS THEREOF A HERBICIDALLY EFFECTIVE AMOUNT OF AN N-HALOACYL (2-SPIROCYCLOALIPHATIC) OXAZOLIDINE WHEREIN THE HALOACYL IS C2-4 ACYL, THE 4 AND 5 CARBON ATOM VALENCES ARE SATISFIED BY HYDROGEN ATOMS OR C16 ALKYL GROUPS, AND SAID SPIROCYCLOALIPHATIC GROUP IS CYCLOPENTYL, CYCLOHEXYL, CYCLOHEXENYL OR CYCLOHEXPTYL.
Claim 3
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-cyclohexanespiro-4,4-dimethyloxazolidine.
Claim 4
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-cycloheptanespiro-4,4-dimethyloxazolidine.
Claim 5
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl-2-cyclopentanespiro-4,4-dimethyloxazolidine.
Claim 6
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-cyclohexanespiro-5-methyloxazolidine.
Claim 7
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-(2''-methylcyclopentane)spiro-5-methyl-oxazolidine.
Claim 8
Dependent Claim
13 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-(3'',5'',5''-trimethyl-2''-cyclohexene)spiro-4,4-dimethyl -oxazolidine.
Claim 9
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-(4''-methylcyclohexane)spiro-4,4-dimethyl-oxazolidine.
Claim 10
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-(3''-5''-dimethylcyclohexane)spiro-4,4-dimethyl-oxazolidine.
Claim 11
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-(3'',4''-dimethylcyclohexane)spiro-4,4-dimethyl-oxazolidine.
Claim 12
Dependent Claim
12 words
The process of claim 1 wherein the oxazolidine is 3-( Alpha -chloroacetyl)-2-cycloheptanespiro-5-methyl-oxazolidine.
Claim 13
Dependent Claim
24 words
A process for controlling undesirable growth of vegetation which comprises applying to the locus thereof a herbicidally effective amount of 3( Alpha -chloroacetyl)-2-(1''-carbethoxypiperidine-4''-spiro)-4,4-dimethyl -oxazolidine.
Claim 14
Dependent Claim
24 words
A process for controlling undesirable growth of vegetation which comprises applying to the locus thereof a herbicidally effective amount of 3( Alpha -chloroacetyl)-2-(1''-carbethoxypiperidine-4''-spiro)-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) | 1978-05-05 | 1978-11-04 | 1979-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-05 | 1982-11-04 | 1983-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-05 | 1986-11-04 | 1987-05-06 | $7700.00 | Window Closed / Lapsed |