Preparation of metallic nanoparticles with shell-crosslinked...

Colloid systems and wetting agents; subcombinations thereof; pro – Continuous or semicontinuous solid phase – The solid phase contains organic material

Reexamination Certificate

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C516S097000, C428S407000, C264S007000, C524S588000, C977S777000

Reexamination Certificate

active

10491133

ABSTRACT:
A method for the preparation of a dispersion of fine particles characterized in that the micelles are ones which have been formed in a aqueous medium with an amphiphilic block copolymer represented by the general formula PB and in which the shell of each micelle has been cross-linked with hydrophilic groups of the hydrophilic side chains wherein the particles formed are metallic particles having a reducing characteristic of metal ions. The general formula PB is:

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Derwent Abstract on EAST, week 200357, London: Derwent Publications Ltd., AN 1999-623399, JP 11271981 A, (Shinetsu Chem Ind Co Ltd), abstract.
T. Sanji et al. “Encapsulation of polysilane into shell cross-linked micelles”, Cemical Communications, The Royal Society of Chemistry, 1999, pp. 2201-2202 (Month unknown).
T. Sanji et al, “Preparation of Nanometer-Sized Hollow Particles by Photochemical Degradation of Polysilane Shell Cross-linked Micelles and Reversible Encapsulation of Guest Molecules”, Macromolecules 2000, V. 33, 8524-8526, (month unknown).

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