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ACRYLATE COPOLYMER MICROSPHERES

  • US 3,691,140 A
  • Filed: 03/09/1970
  • Issued: 09/12/1972
  • Est. Priority Date: 03/09/1970
  • Status: Expired due to Term
First Claim
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2. The microspheres of claim 1 wherein the acrylate ester is iso-octyl acrylate and the ionic monomer is trimethylamine methacrylimide.

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