04849484 is referenced by 133 patents and cites 2 patents.

A slow release composition comprises particles of a cross linked polymeric matrix in which a water soluble reagent is dispersed, and the reagent is anionic, generally being a low molecular weight anionic water soluble polymer, and the matrix is a cationic, highly cross linked, polymer formed from a water soluble monomer or monomer blend.

Title
Polymeric particles, their manufacture and uses
Application Number
7/98271
Publication Number
4849484
Application Date
September 18, 1987
Publication Date
July 18, 1989
Inventor
Michael B Heard
West Yorkshire
GB
Agent
Ostrolenk Faber Gerb & Soffen
Assignee
Allied Colloids
GB
IPC
C08L 33/24
C08L 33/02
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