Patent 9115247 was granted and assigned to Asahi Kasei on August, 2015 by the United States Patent and Trademark Office.
The present invention relates to a polyamide obtainable by polymerizing an (a) dicarboxylic acid comprising at least 50 mol % of an alicyclic dicarboxylic acid and a (b) diamine comprising at least 50 mol % of a diamine having a substituent branched from a main chain.