US3943201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkoxy carboxycarbonylphosphonic acid esters
Assignee: EIDP Inc
•
Filing: 1974-05-30
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Granted: 1976-03-09
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Expires: 1994-05-30
Abstract
Abstract Alkoxycarbonylphosphonic acids and alkylthiocarbonylphosphonic acids and esters and salts of these acids such as diammonium methoxycarbonylphosphonate are useful for regulation of the growth rate of plants.
Inventors
- 👤 Colin Leslie McIntosh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:42
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4062; C07F9/4065
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
187 words
A compound of the formula; ##EQU8## wherein Z is oxygen; R is alkyl of 1 to 8 carbon atoms, optionally substituted with a chlorine, bromine, fluorine, or iodine; alkenyl of 3 to 8 carbon atoms; or ##SPC2## wherein A is chlorine or methyl, B is chlorine or methyl, n is 0 or 1, and m is 0 or 1; R 5 is alkyl of 1 to 6 carbon atoms, alkenyl of 3 to 4 carbon atoms, or benzyl; and M is hydrogen, sodium, lithium, potassium, calcium, magnesium, manganese, barium, or ##EQU9## wherein R 1 is hydrogen, alkyl of 1 to 4 carbon atoms, or hydroxyalkyl of 2 to 4 carbon atoms; R 2 is hydrogen, alkyl of 1 to 4 carbon atoms, or hydroxyalkyl of 2 to 4 carbon atoms; R 3 is hydrogen, alkyl of 1 to 4 carbon atoms, or hydroxyalkyl of 2 to 4 carbon atoms; and R 4 is hydrogen or alkyl of 1 to 12 carbon atoms, provided that the total number of carbon atoms in R 1 , R 2 , R 3 , and R 4 is less than 16.
Claim 2
Dependent Claim
187 words
A compound of the formula; ##EQU8## wherein Z is oxygen; R is alkyl of 1 to 8 carbon atoms, optionally substituted with a chlorine, bromine, fluorine, or iodine; alkenyl of 3 to 8 carbon atoms; or ##SPC2## wherein A is chlorine or methyl, B is chlorine or methyl, n is 0 or 1, and m is 0 or 1; R 5 is alkyl of 1 to 6 carbon atoms, alkenyl of 3 to 4 carbon atoms, or benzyl; and M is hydrogen, sodium, lithium, potassium, calcium, magnesium, manganese, barium, or ##EQU9## wherein R 1 is hydrogen, alkyl of 1 to 4 carbon atoms, or hydroxyalkyl of 2 to 4 carbon atoms; R 2 is hydrogen, alkyl of 1 to 4 carbon atoms, or hydroxyalkyl of 2 to 4 carbon atoms; R 3 is hydrogen, alkyl of 1 to 4 carbon atoms, or hydroxyalkyl of 2 to 4 carbon atoms; and R 4 is hydrogen or alkyl of 1 to 12 carbon atoms, provided that the total number of carbon atoms in R 1 , R 2 , R 3 , and R 4 is less than 16.
Claim 3
Dependent Claim
37 words
A compound of claim 1 wherein Z is oxygen, R 5 is alkyl of 1 to 3 carbon atoms, R is alkyl of 1 to 4 carbon atoms, or benzyl, and M is hydrogen, potassium, or ammonium.
Claim 4
Dependent Claim
8 words
The compound of claim 2 ethyl sodium methoxycarbonylphosphonate.
Claim 5
Dependent Claim
8 words
The compound of claim 2 methyl sodium methoxycarbonylphosphonate.
References Cited (Backward Citations)
US3033891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-03-09 | 1979-09-08 | 1980-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-09 | 1983-09-08 | 1984-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-09 | 1987-09-08 | 1988-03-09 | $7700.00 | Window Closed / Lapsed |