미국
Patent AT-E401320-T1: [Translated] DIPEPTIDYL PEPTIDASE INHIBITORS
Chemical patent from PubChem database. Patent Number: AT-E401320-T1. Title: Polymorphic Forms of Active Compounds. Filing Date: 2004-01-20. Inventors: Yamamoto, Hiroshi, Schmidt, Hans. Abstract: The invention describes polymorphic forms of active pharmaceutical compounds, each characterized by distinct crystallographic and thermal properties. IPC Classifications: A61K, A61L, A61F. This patent covers 18 claims related to 4 chemical compounds. Useful for intellectual property research, prior art searches, and chemical innovation tracking.