Microcapsules and method for their production

Details Microcapsules and method for their production Microcapsules and method for their production

C - Chemistry, Metallurgy

05

G

71/47, 117/47.9

C05G 5/00 (2006.01) A01N 25/28 (2006.01)

Patent

CA 1255163

ABSTRACT MICROCAPSULES AND METHOD FOR THEIR PRODUCTION Dump release microcapsules are formed of a water- reswellable gel having dispersed therein a sorbtive filler material having a median particle size of not more than 1 micron, such as fumed or precipitated silica. The filler material has an active substance absorbed therein and/or adsorbed thereon. The active material can be 2-chloro-6-(trichloromethyl) pyridine and the gel formed from crosslinked lignin or a lignosulphonate.

463299

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