Plant protecting and regulating compositions – Plant growth regulating compositions – Organic active compound containing
Patent
1998-08-11
2000-09-12
Clardy, S. Mark
Plant protecting and regulating compositions
Plant growth regulating compositions
Organic active compound containing
504222, 504250, 504333, 504362, 514975, A01N 2530
Patent
active
061178209
ABSTRACT:
An aqueous agrochemical concentrate formulation comprises a) an agrochemical electrolyte such as salts of glyphosate, fomesafen, glufosinate, paraquat or bentazone, b) an alkoxylated adjuvant, c) an alkylglycoside and d) a co-surfactant which interacts with the alkylglycoside to form a structured aqueous system. Preferred co-surfactants are:- (i) a linear or branched chain aliphatic or aromatic alcohol, (ii) an alcohol or ester or alkyl phenol alkoxylate having a degree of alkoxylation lower than that of the alkoxylated adjuvant present in the formulation as component (b), (iii) a glyceryl alkyl or alkenyl ester and (iv) a sorbitan alkyl or alkenyl ester. The alkyl glycoside and the co-surfactant interact to provide a structured aqueous system such that if the critical concentrations are exceeded and one or more components (normally the alkoxylated adjuvant) can no longer be maintained in a single-phase aqueous system, the second phase forms a stable dispersion (normally a liquid phase dispersion) which is supported within the structured aqueous system.
REFERENCES:
patent: 5612285 (1997-03-01), Arnold
patent: 5888934 (1999-03-01), Townson et al.
G. Platz, et al., Phase behaviour of alkyl polyglucocides in combination with fatty alcohols and alkyl sulphates, Colloids and Surfaces, 88 at 113-122 (1994).
Bean Michael John
Cutler Julia Lynne
Clardy S. Mark
LeCoy David P.
Zeneca Limited
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