Coarse-particle microcapsule preparation

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter

Reexamination Certificate

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Details

C428S404000, C428S405000, C428S406000, C428S407000, C427S212000, C427S213300, C427S213310, C427S213360

Reexamination Certificate

active

07575804

ABSTRACT:
The present invention relates to a coarse-particled microcapsule preparation comprising microencapsulated latent heat accumulators and one or more polymeric binders, the ratio of surface area to volume of the particles obeying the following relationship:Surface⁢⁢area2Volume3≥2.5,and to processes for its production and its use in heat exchangers and building materials.

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