The Invention Patent "a Preparation Method of 2,2,4,4-tetramethyl-1,3-cyclobutanediol" was Authorized
Recently, our company's invention patent "a preparation method of 2,2,4,4-tetramethyl-1,3-cyclobutanediol" has been authorized by China National Intellectual Property Adiministration, and the patent No. is ZL 202110100278.6. 2,2,4,4-Tetramethyl-1,3-cyclobutanediol (CBDO for short) is an aliphatic diol, mainly used to synthesize high-performance polyesters to replace polycarbonate. The glass transi...