US3630715A
Expired / Lapsed
US
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Alkylene bis (phenoxyacetic acid) derivatives as herbicides
Assignee: GE Chemicals Inc
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Filing: 1968-12-19
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Granted: 1971-12-28
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Expires: 1988-12-19
Abstract
Abstract Herbicides and insecticides of the formula WHERE N IS 0, 1 OR 2, X and Y are halogen or hydrogen, R2 is hydrogen or methyl and R3 is methyl or trihalomethyl are provided.
Inventors
- 👤 Alvin Guttag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:30
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07C59/70
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
20 words
A process according to claim 1 wherein the herbicidal composition is applied to weeds in the presence of tomato plants.
Claim 2
Dependent Claim
20 words
A process according to claim 1 wherein the herbicidal composition is applied to weeds in the presence of cotton plants.
Claim 3
Dependent Claim
51 words
The process according to claim 1 wherein R4, R5 and R6 are alkyl or haloalkyl of up to 18 carbon atoms, phenyl, halophenyl or lower alkyl phenyl, and wherein the said ester is alkyl, alkoxyalkyl or haloalkyl of up to 20 carbon atoms, mono- or di-halo phenyl and lower alkyl phenyl.
Claim 4
Dependent Claim
36 words
The process of claim 1 wherein the herbicidal compound is one of the said esters and the esters are phenyl, halo-substituted phenyl, and alkyl substituted phenyl of up to 18 carbon atoms in the alkyl chain.
Claim 5
Dependent Claim
71 words
The process of claim 1 where the herbicidal compound is one of the said amine salts and the amine salts are salts of amines of the formula where R4, R5 and R6 may be the same or different and are hydrogen, alkyl of up to 18 carbon atoms, aryl, halo-substituted alkyl of up to 18 carbon atoms, halo-substituted aryl and alkaryl of up to 18 carbon atoms in the alkyl chain.
Claim 6
Dependent Claim
13 words
The process of claim 1 wherein the herbicidal compound is of formula (A).
Claim 7
Dependent Claim
57 words
The process of claim 1 wherein the herbicidal compound is one of the said salts or esters of the acid selected from the group consisting of 4,4''-isopropylidene bis (2,5,6-trichlorophenoxy acetic acid), 4,4''-isopropylidene bis (3,5,-dichlorophenoxy acetic acid), 4,4''-isopropylidene bis (2,3-dichlorophenoxy acetic acid), 4,4''-isopropylidene bis (2,3,5-trichlorophenoxy acetic acid), 4,4''-isopropylidene bis (2,6-dichlorophenoxy acetic acid), and 4,4''-isopropylidene bis (3,6-dichlorophenoxy acetic acid).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |