Group 1 - The State Intellectual Property Office of China has published a patent application titled "A Succinic Acid Composition and Its Preparation Method and Application" by Jinfa Technology Co., Ltd., Zhuhai Jinfa Biomaterials Co., Ltd., and Liaoning Jinfa Biomaterials Co., Ltd. The application date is March 2025 [1] - The patent describes a succinic acid composition that includes a combination of succinic acid and fumaric acid, with fumaric acid content ranging from 10 to 200 ppm. This composition is derived from biomass and is designed to enhance storage stability, maintaining high purity and low impurity levels over time [1] - The succinic acid composition is intended for polyester synthesis, effectively inhibiting side reactions during polymerization, thereby improving polymerization efficiency and yielding high-quality polyester products [1] Group 2 - Jinfa Technology Co., Ltd. was established in 1993 in Guangzhou, primarily engaged in the rubber and plastic products industry, with a registered capital of 2.636 billion RMB. The company has invested in 35 enterprises and participated in 122 bidding projects, holding 279 trademark records and 3,532 patent records [2] - Zhuhai Jinfa Biomaterials Co., Ltd. was founded in 2009 in Zhuhai, focusing on chemical fiber manufacturing, with a registered capital of 316.3 million RMB. The company has invested in 3 enterprises and participated in 58 bidding projects, holding 7 trademark records and 264 patent records [2] - Liaoning Jinfa Biomaterials Co., Ltd. was established in 2022 in Panjin, primarily engaged in the manufacturing of chemical raw materials and products, with a registered capital of 500 million RMB. The company has participated in 21 bidding projects, holding 1 trademark record and 65 patent records [2]
金发科技等申请一种丁二酸组合物及其制备方法和应用专利,能有效抑制聚合副反应提升聚合效率