Polycarbonate diol news

All news on Polycarbonate diol (also known as ETERNACOLL): plants, production capacities, investments and involved companies.

24 April 2026

Asahi Kasei sues Chinese firms over Duranol™ patent

Filed March 25, 2026 in Shanghai IP Court over water‑based Duranol polycarbonate diol patents; seeks injunction and damages; had prior 2022 Guangzhou win; maintains broader patent portfolio.
1 April 2016

UBE Merges Three Spanish Subsidiaries

The merger, effective March 31, 2016, aims to enhance operational efficiency and strengthen the business platform in Spain, focusing on nylon, caprolactam, and fine chemicals production.

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