Patent US4404012A successfully refreshed from Google Patents.
US4404012A
Expired / Lapsed
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Process for increasing sugar yield in sugarcane
Assignee: Wyeth Holdings LLC
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Filing: 1981-04-20
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Granted: 1983-09-13
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Expires: 2001-04-20
Abstract
Abstract There is provided a novel method for increasing sucrose yield in sugarcane by treating sugarcane a few weeks prior to harvest with a sucrose yield enhancing amount of a 2-(2-imidazolin-2-yl)pyridine compound.
Inventors
- 👤 Philip L. Orwick
- 👤 Andrew R. Templeton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:33
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/81; A; A01; A01N; A01N43/00; A01N43/48; A01N43/50; A01N43/52; A01N43/72; A01N43/74; A01N43/76; A01N57/00; A01N57/18; A01N57/24; C07D213/82; C07D401/00; C07D401/02; C07D401/04; C07D407/00; C07D407/14; C07D471/00; C07D471/02; C07D471/04; C07D471/12; C07D471/14
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
116 words
A method for increasing sucrose yields from sugarcane comprising applying to the foliage of said sugarcane about 2 weeks to 4 weeks prior to first harvest an effective amount of a compound having the formula: ##STR119## wherein R 1 is C 1 -C 3 alkyl; R 2 is C 1 -C 2 alkyl; A is COOR 3 ; R 3 is hydrogen, methyl or furfuryl; C 3 alkynyl; or, A cation of alkali metals, alkaline earth metals, ammonium or organic ammonium; B is H; W is O; X and Y are hydrogen; Z is hydrogen chlorine or methyl; the optical isomers thereof, or except when R 3 is a salt-forming cation, the acid addition salts thereof.
Claim 2
Independent Claim
116 words
A method for increasing sucrose yields from sugarcane comprising applying to the foliage of said sugarcane about 2 weeks to 4 weeks prior to first harvest an effective amount of a compound having the formula: ##STR119## wherein R 1 is C 1 -C 3 alkyl; R 2 is C 1 -C 2 alkyl; A is COOR 3 ; R 3 is hydrogen, methyl or furfuryl; C 3 alkynyl; or, A cation of alkali metals, alkaline earth metals, ammonium or organic ammonium; B is H; W is O; X and Y are hydrogen; Z is hydrogen chlorine or methyl; the optical isomers thereof, or except when R 3 is a salt-forming cation, the acid addition salts thereof.
Claim 3
Dependent Claim
34 words
A method according to claim 1 wherein said compound is applied to the foliage of sugarcane as a liquid spray in sufficient amount to provide from 0.016 kg/ha to 4.0 kg/ha of said compound.
Claim 4
Dependent Claim
33 words
A method according to claim 1 wherein said compound is applied in the form of an aqueous spray and in sufficient amount to provide from 0.05 kg/ha to 2.0 kg/ha of said compound.
Claim 5
Dependent Claim
12 words
A method according to claim 1 wherein said compound is 2-(5-isopropyl-5-methyl-4-oxo-2-imidazolin-2-yl)nicotinic acid.
Claim 6
Dependent Claim
12 words
A method according to claim 1 wherein said compound is 2-(5-ethyl-5-methyl-4-oxo-2-imidazolin-2-yl)-nicotinic acid.
Claim 7
Dependent Claim
16 words
A method according to claim 1 wherein said compound is the diisopropylamine salt of 2-(5-isopropyl-5-methyl-4-oxo-2-imidazolin-2-yl)nicotinic acid.
Claim 8
Dependent Claim
8 words
A method according to claim 1, calcium 2-(5-isopropyl-5-methyl-4-oxo-2-imidazolin-2-yl)-nicotinate.
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) | 1986-09-12 | 1987-03-14 | 1987-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-09-12 | 1991-03-14 | 1991-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-09-12 | 1995-03-14 | 1995-09-13 | $7700.00 | Window Closed / Lapsed |