Patent US4035176A successfully refreshed from Google Patents.
US4035176A
Expired / Lapsed
US
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N-(perfluoroacyl)-N-phosphonomethyl glycine compounds, method of preparing same
Assignee: Monsanto Co
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Filing: 1976-05-03
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Granted: 1977-07-12
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Expires: 1996-05-03
Abstract
Abstract N-(perfluoroacyl)-N-phosphonomethyl glycine compounds are prepared by the reaction of N-phosphonomethyl glycine with perfluoroacyl anhydrides employing an excess of the perfluoroalkanoic acid as the solvent. The N-(perfluoroacyl)-N-phosphonomethyl glycine compounds are useful as post-emergent herbicides and as sugar cane ripeners.
Inventors
- 👤 Melvin L. Rueppel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:27
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/409; C07F9/4093; C07F9/3804; C07F9/3808; C07F9/4003; C07F9/4006
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
29 words
A compound of the formula ##STR8## wherein R is a member of the group consisting of H and ##STR9## and n is an integer of from 1 to 4.
Claim 2
Dependent Claim
29 words
A compound of the formula ##STR8## wherein R is a member of the group consisting of H and ##STR9## and n is an integer of from 1 to 4.
Claim 3
Dependent Claim
18 words
A compound of claim 1 wherein R is a ##STR10## grouping wherein n is from 1 to 4.
Claim 4
Dependent Claim
9 words
A compound of claim 2 which is bis(N,O-trifluoroacetyl)-N-phosphonomethyl glycine.
Claim 5
Dependent Claim
9 words
A compound of claim 2 which is bis-(N,O-heptafluorobutyryl)-N-phosphonomethyl glycine.
Claim 6
Dependent Claim
22 words
A herbicidal composition comprising a herbicidally acceptable surfactant, an inert diluent and a herbicidally effective amount of a compound of claim 1.
Claim 7
Dependent Claim
22 words
A herbicidal composition comprising a herbicidally acceptable surfactant, an inert diluent and a herbicidally effective amount of a compound of claim 2.
Claim 8
Dependent Claim
22 words
A herbicidal composition comprising a herbicidally acceptable surfactant, an inert diluent and a herbicidally effective amount of a compound of claim 3.
Claim 9
Dependent Claim
22 words
A herbicidal composition comprising a herbicidally acceptable surfactant, an inert diluent and a herbicidally effective amount of a compound of claim 4.
Claim 10
Dependent Claim
21 words
A method of controlling undesirable plants which comprises contacting said plants with a herbicidal amount of a compound of claim 1.
Claim 11
Dependent Claim
21 words
A method of controlling undesirable plants which comprises contacting said plants with a herbicidal amount of a compound of claim 2.
Claim 12
Dependent Claim
21 words
A method of controlling undesirable plants which comprises contacting said plants with a herbicidal amount of a compound of claim 3.
Claim 13
Dependent Claim
21 words
A method of controlling undesirable plants which comprises contacting said plants with a herbicidal amount of a compound of claim 4.
References Cited (Backward Citations)
US3456039A
Cited
US3853530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-07-11 | 1981-01-10 | 1981-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-11 | 1985-01-10 | 1985-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-11 | 1989-01-10 | 1989-07-12 | $7700.00 | Window Closed / Lapsed |