BIODEGRADABLE ALIPHATIC POLYESTER PARTICLES AND PRODUCTION PROCESS THEREOF

  • US 20120270048A1
  • Filed: 04/20/2012
  • Published: 10/25/2012
  • Est. Priority Date: 04/22/2011
  • Status: Active Grant
First Claim
Patent Images

1. Biodegradable aliphatic polyester particles having the following properties:

  • (A) the average particle diameter thereof is 10 to 500 μ

    m, and(B) the quantity of heat of low-temperature crystallization thereof as calculated out as an exotherm attending on crystallization, which is detected in the course of heating by a differential scanning calorimeter, is at least 1 J/g.

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