US4063923A
Expired / Lapsed
US
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Carbamoylphosphonic acid brush control agents
Assignee: EIDP Inc
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Filing: 1976-03-18
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Granted: 1977-12-20
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Expires: 1996-03-18
Abstract
Abstract Carbamoylphosphonates such as monoammonium hydrogen carbamoylphosphonate are useful for regulation of the growth rate of plants.
Inventors
- 👤 Jerry C-Y Han
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:17
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/18; A01N57/20; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3886; C07F9/3891
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
121 words
A compound of the formula ##STR3## wherein M is hydrogen, sodium, lithium, potassium, calcium, magnesium, zinc, manganese, barium or ##STR4## 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 both M's are not hydrogen and 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
121 words
A compound of the formula ##STR3## wherein M is hydrogen, sodium, lithium, potassium, calcium, magnesium, zinc, manganese, barium or ##STR4## 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 both M's are not hydrogen and 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
14 words
A compound of claim 1 wherein M is hydrogen, sodium, lithium, potassium or ammonium.
Claim 4
Dependent Claim
8 words
The compound of claim 1, ammonium hydrogen carbamoylphosphonate.
Claim 5
Dependent Claim
21 words
A plant growth regulant composition consisting essentially of an inert diluent and an effective amount of a compound of claim 1.
Claim 6
Dependent Claim
14 words
A composition of claim 4 wherein M is hydrogen, sodium, lithium, potassium or ammonium.
Claim 7
Dependent Claim
12 words
The composition of claim 4 wherein the compound is ammonium hydrogen carbamoylphosphonate.
Claim 8
Dependent Claim
25 words
A method of controlling the growth rate of plants consisting essentially of applying to the plant an effective amount of a compound of claim 1.
Claim 9
Dependent Claim
25 words
A method of controlling the growth rate of plants consisting essentially of applying to the plant an effective amount of a compound of claim 2.
Claim 10
Dependent Claim
25 words
A method of controlling the growth rate of plants consisting essentially of applying to the plant an effective amount of a compound of claim 3.
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) | 1980-12-19 | 1981-06-20 | 1981-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-19 | 1985-06-20 | 1985-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-19 | 1989-06-20 | 1989-12-20 | $7700.00 | Window Closed / Lapsed |