A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
A01N 43/90 (2006.01) A01N 25/04 (2006.01) A01N 43/40 (2006.01)
Patent
CA 2440360
The use of an alginate as a pH-triggered gelling agent in the manufacture of a composition comprising a salt of paraquat, a salt of diquat or a mixture thereof, the composition further comprising an emetic and/or purgative such that a pH-triggered gel effect takes place at the acid pH of human gastric juice. The gelling agent is preferably used in the substantial absence of magnesium trisilicate and preferably has a 1% solution viscosity in water of from 2 to 2000 mPas.
L'invention concerne l'utilisation d'un alginate comme agent gélifiant déclenché à pH déterminé dans la fabrication d'une composition renfermant un sel de paraquat, un sel de diquat ou un mélange de ces sels. Cette composition renferme également un émétique et/ou un purgatif, l'agent gélifiant déclenché à pH déterminé agissant au pH acide du suc gastrique humain. L'agent gélifiant est de préférence utilisé en l'absence sensible de trisilicate de magnésium et présente une viscosité comprise entre 2 et 2000 mPas dans 1 % de solution.
Ashford Emma Jane
Heylings Jonathan Roy
Shaunak Richa
Fetherstonhaugh & Co.
Syngenta Limited
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