GENEVA, July 2 -- NICCA CHEMICAL CO., LTD. filed a patent application (JP2025/042616) for “POLYESTER COPOLYMER, UNEVEN DYEING REDUCTION AGENT, POLYESTER RESIN COMPOSITION FOR MELT-SPINNING, POLYESTER FIBER PRODUCTION METHOD, AND POLYESTER FIBER”. With publication no. WO/2026/134008, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: D01F 6/92
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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