openapi: 3.1.0 info: title: Celanese API description: >- Celanese Corporation is a global chemical and specialty materials company producing engineered polymers, acetyl products, and other chemical intermediates. No public developer API has been identified. Celanese operates the Chemille digital materials assistant at materials.celanese.com for product search and selection. version: '1.0' servers: - url: https://www.celanese.com paths: {}