奥克股份：截至2025年6月30日公司持有的有效授权专利数量合计为353项

Core Viewpoint - As of June 30, 2025, the company holds a total of 353 valid authorized patents, including 148 invention patents, which are distributed across various fields such as ethylene oxide derivatives, polycarboxylate superplasticizer polyether monomers, and electrolyte solvents [1] Group 1 - The company has a total of 353 valid authorized patents [1] - Among these, there are 148 invention patents [1] - The patents are concentrated in areas including ethylene oxide derivatives, polycarboxylate superplasticizer polyether monomers, and electrolyte solvents [1]