Sinopec Granted Invention Patent License: "ZSM-48 Molecular Sieve and Its Preparation Method and Application"

Securities Star news, according to data from the Tianyancha APP, Sinopec (600028) has recently obtained a new invention patent authorization, titled “ZSM-48 Molecular Sieve and Its Preparation Method and Application,” with the patent application number CN202210770938.6, and the authorization date is March 24, 2026.

Patent abstract: The invention relates to the field of molecular sieves and discloses a ZSM-48 molecular sieve along with its preparation method and application. The method includes: concentrating the ZSM-48 molecular sieve mother liquor in the presence of an acidic solution to obtain a concentrated mother liquor; performing first crystallization on a first mixture containing the concentrated mother liquor; after solid-liquid separation, obtaining a first solid product and a first mother liquor; performing second crystallization on a second mixture containing seed crystals; using a portion of the first solid product to provide seed crystals; performing solid-liquid separation on the mixture obtained from the second crystallization to obtain a second solid product and a second mother liquor; wherein the first mother liquor and the second mother liquor are returned for concentration; washing, drying, and calcining the remaining first solid product and second solid product to obtain ZSM-48 molecular sieve. The ZSM-48 molecular sieve obtained by this method has a high relative crystallinity, simple operation, low wastewater discharge, low post-treatment difficulty, high production efficiency, and is conducive to industrial continuous production.

Since the beginning of this year, Sinopec has newly obtained 1,171 patent authorizations, an increase of 55.31% compared to the same period last year. According to the company’s 2025 annual report financial data, Sinopec invested 15.863 billion yuan in research and development in 2025, an increase of 4.26% year-on-year.

Through big data analysis from Tianyancha, China Petroleum & Chemical Corporation has invested in a total of 269 enterprises and participated in 17,727 bidding projects; regarding property clues, there are 106 trademark information entries, 87,980 patent information entries, and 1,500 copyright information entries; in addition, the company also holds 41 administrative licenses.

Data source: Tianyancha APP

The above content is organized by Securities Star based on publicly available information, generated by AI algorithm (Internet Information Record No. 310104345710301240019), and does not constitute investment advice.