Patent Number: 8,715,543

Title: Microencapsulated curing agent

Abstract: A curing agent for unsaturated polyester resins is made by microencapsulating an organic peroxide curing agent in a polyurethane protective coating or shell.

Inventors: Akagawa; Mitsuru (Ibaraki, JP), Yasuhara; Takuya (Tokyo, JP)

Assignee: OCV Intellectual Capital, LLC

International Classification: B29C 45/02 (20060101); C08L 75/04 (20060101); B01J 13/18 (20060101)

Expiration Date: 5/06/12018