Patent Number: 8,822,555

Title: Polyamide particles and process for producing same

Abstract: There is provided a novel polyamide particles having an approximately spherical outer shape, which are spongy particles having through-holes in an outer surface part and closed voids in an inside part. The polyamide particles can be produced by dissolving a polyamide in a cyclic amide with heating to obtain a homogeneous solution and then cooling the solution.

Inventors: Kaiso; Koji (Ube, JP), Abe; Masanori (Ube, JP), Sugimoto; Tsunemi (Ube, JP)

Assignee: Ube Industries, Ltd.

International Classification: C08J 9/36 (20060101); C08J 9/00 (20060101)

Expiration Date: 9/02/12018