WO2000054586A1 - Formulation insecticide - Google Patents

Formulation insecticide Download PDF

Info

Publication number
WO2000054586A1
WO2000054586A1 PCT/GB2000/000885 GB0000885W WO0054586A1 WO 2000054586 A1 WO2000054586 A1 WO 2000054586A1 GB 0000885 W GB0000885 W GB 0000885W WO 0054586 A1 WO0054586 A1 WO 0054586A1
Authority
WO
WIPO (PCT)
Prior art keywords
insecticide
formulation
carbomer
formulations
weight
Prior art date
Application number
PCT/GB2000/000885
Other languages
English (en)
Inventor
Robin Slatter
Isabel M. Hernandez
Kenneth J. Essig
Original Assignee
Aventis Environmental Science Usa Lp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aventis Environmental Science Usa Lp filed Critical Aventis Environmental Science Usa Lp
Priority to AU31755/00A priority Critical patent/AU3175500A/en
Publication of WO2000054586A1 publication Critical patent/WO2000054586A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P7/00—Arthropodicides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof

Definitions

  • This invention relates to novel formulations of insecticides.
  • Polyacrylic acid polymers have been used in conjunction with pesticides.
  • WO 96/03038 describes a water dispersible gel comprising a water soluble agrochemical containing a cross linked polyacrylic acid.
  • WO 9524124 describes a, insecticidal emulsion or paste comprising such a polymer.
  • liquid compositions of certain insecticides having superior properties can be formed by including polyacrylic acid derivatives.
  • the invention provides a sprayable insecticide formulation which comprises an insecticide in solution or in particulate form suspended in an aqueous gel, which comprises 0.01 to 10, preferably 0.02 to 2% by weight of a carbomer.
  • the viscosity is generally in the range of 100 to 10,000, preferably 500 to 3000, centipoise.
  • the carbomer is a homopolymer of acrylic acid crosslinked with an allyl ether of pentaerythritol, an allyl ether of sucrose or an allyl ether of propylene.
  • Carbomers are sold under various trade mark such as "Carbopol”.
  • Sprayable formulations include sprays of fine droplets, aerosols and pin stream sprays, e.g. for spraying into crevices.
  • the formulations are particularly suitable for use in trigger sprayers or a pump-up sprayers.
  • the formulations are preferably aqueous formulations which are generally made from suspension concentrates in which the insecticide in the aqueous phase.
  • the insecticide can be incorporated as a microcapsule, wettable powder or an emulsifiable concentrate.
  • a particular advantage of the use of the carbomer is that insecticide remains suspended and thus the container does not have to be shaken prior to use.
  • a further advantage of the use of the carbomer is that once sprayed, the resulting deposit is relatively immobile.
  • a still further advantage is that when directly treated insects acquire a larger dose of formulation, than would occur with a conventional ready to use insecticide spray and as a result less overall insecticide may be required to control a given population of insects.
  • a further advantage is that the carbomer prevents clumping of SC particles and therefore allow highly residual formulations to be packaged as ready to use formulations.
  • the carbomer also acts as a suspending or resuspending aid.
  • insecticide sprays are packaged in a polymeric container, such as polyethylene.
  • a polymeric container such as polyethylene.
  • insecticides can migrate (or permeate) into and through the walls of polymeric containers and gradually disappear from the formulation.
  • the invention is particularly applicable to formulations containing pyrethroid insecticides, particularly the pyrethroids which are esters of phenoxybenzyl alcohol, in which the benzyl is optionally substituted by fluoro, with substituted dimethylcyclopropanecarboxylic acid, such as permethrin, cypermethrin, deltamethrin, cyhalothrin, lambda-cyhalothrin, cyfluthrin, beta-cyfluthrin alpha cypermethrin, d- phenothrin, acrinathrin and tralomethrin, as well as compounds such as fenvalerate, esfenvalerate, fluvalinate, allethrin, (especially (I R)-isomers), bioallethrin, S- bioallethrin, prallethrin, resmethrin, bioresmethrin, bifenthrin
  • insecticides may be in combination with synergists such as piperonyl butoxide or ENT 8184.
  • Other insecticides are especially those used in the public health area, such as fipronil, acetoprole , ethiprole, propoxur, bendiocarb, azadirachtin, diazinon, chlorpyrifos and indoxacarb.
  • the formulations of the invention may include other additives such as a preservative e.g. an alkyl paraben, in a amount of e.g. 0.05 to 0.5%, by weight, a surfactant such as sodium lauryl sulfate, an antifreeze, such as propylene glycol, and a pH adjuster such as aqueous sodium hydroxide.
  • a preservative e.g. an alkyl paraben
  • a surfactant such as sodium lauryl sulfate
  • an antifreeze such as propylene glycol
  • a pH adjuster such as aqueous sodium hydroxide.
  • the pH is preferably from 2.5 to 7.0
  • the amount of insecticide can vary over a wide range.
  • Pyrethroids such as deltamethrin, will generally be present in an amount of 0.01 to 2, preferably 0.05 to 1%, by weight of the formulation.
  • the invention is illustrated in the following example.
  • the formulation of the invention was also physically stable and did not need shaking before use.

Abstract

L'invention concerne une formulation insecticide pulvérisable, comprenant un insecticide en solution ou sous forme de particules en suspension dans un gel aqueux qui comprend en poids 0,01 à 10 % de carbomère.
PCT/GB2000/000885 1999-03-17 2000-03-14 Formulation insecticide WO2000054586A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU31755/00A AU3175500A (en) 1999-03-17 2000-03-14 Insecticide formulation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12481299P 1999-03-17 1999-03-17
US60/124,812 1999-03-17

Publications (1)

Publication Number Publication Date
WO2000054586A1 true WO2000054586A1 (fr) 2000-09-21

Family

ID=22416906

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2000/000885 WO2000054586A1 (fr) 1999-03-17 2000-03-14 Formulation insecticide

Country Status (2)

Country Link
AU (1) AU3175500A (fr)
WO (1) WO2000054586A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100172947A1 (en) * 2005-10-17 2010-07-08 Solvay Sa Pediculicidal Process And Composition
EP3565529A4 (fr) * 2016-12-12 2020-08-26 Contract Pharmaceuticals Limited Formulations de pulvérisation de pyréthroïde et procédés d'utilisation de celles-ci

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251464A2 (fr) * 1986-05-27 1988-01-07 The Boots Company PLC Composition insecticide
WO1995017090A1 (fr) * 1993-12-23 1995-06-29 Sun Glitz Corporation Composition pesticide resistant a l'eau
WO1995024124A1 (fr) * 1994-03-08 1995-09-14 The Clorox Company Amelioration apportee a une composition d'appat insecticide en emulsion
WO1996003038A1 (fr) * 1994-07-28 1996-02-08 Zeneca Limited Formulation de gel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251464A2 (fr) * 1986-05-27 1988-01-07 The Boots Company PLC Composition insecticide
WO1995017090A1 (fr) * 1993-12-23 1995-06-29 Sun Glitz Corporation Composition pesticide resistant a l'eau
WO1995024124A1 (fr) * 1994-03-08 1995-09-14 The Clorox Company Amelioration apportee a une composition d'appat insecticide en emulsion
WO1996003038A1 (fr) * 1994-07-28 1996-02-08 Zeneca Limited Formulation de gel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
M.J. DURRANI ET AL.: "Water swellable polymers (carbomer resins)", CONCISE POLYMERIC MATERIALS ENCYCLOPEDIA, 1999, CRC Press, pages 1633 - 1634, XP002115375 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100172947A1 (en) * 2005-10-17 2010-07-08 Solvay Sa Pediculicidal Process And Composition
EP3565529A4 (fr) * 2016-12-12 2020-08-26 Contract Pharmaceuticals Limited Formulations de pulvérisation de pyréthroïde et procédés d'utilisation de celles-ci
US11491124B2 (en) 2016-12-12 2022-11-08 Contract Pharmaceuticals Limited Pyrethroid spray formulations and methods of using the same

Also Published As

Publication number Publication date
AU3175500A (en) 2000-10-04

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