Patent ID: 9321719
Filing Date: 2016-04-26
CPC Classification: A61J,A61K,A61P,C07C

Claim Text:
1. A method of preparing Form I of monosodium N-[8-(2-hydroxybenzoyl)amino]caprylate comprising (a) heating Form III, V, or VI of monosodium N-[8-(2-hydroxybenzoyl)amino]caprylate or a mixture thereof to at least 50° C. for a time sufficient to form Form I of monosodium N-[8-(2-hydroxybenzoyl)amino]caprylate; (b) heating amorphous monosodium N-[8-(2-hydroxybenzoyl)amino]caprylate at from about 30 to about 90° C. for a time sufficient to form Form I of monosodium N-[8-(2-hydroxybenzoyl)amino]caprylate; or (c) lyophilizing any form of monosodium N-[8-(2-hydroxybenzoyl)amino]caprylate other than Form I to yield Form I of monosodium N-[8-(2-hydroxybenzoyl)amino]caprylate.