Group 1 - China Petroleum & Chemical Corporation (Sinopec) has applied for a patent for a method to prepare colorless polyimide films, indicating a focus on advanced material development [1] - The patent application was filed on January 2024, with the publication number CN120271862A, showcasing the company's commitment to innovation in polymer technology [1] - The preparation method involves obtaining flexible and rigid polyamide acid solutions, followed by a series of processing steps to create the polyimide film, which enhances the performance of transparent polyimide films [1] Group 2 - Sinopec was established in 2000 and is primarily engaged in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB [2] - The company has invested in 263 enterprises and participated in 5,000 bidding projects, demonstrating its extensive operational footprint [2] - Sinopec Shanghai Petrochemical Research Institute, founded in 2022, focuses on technology promotion and application services, with a registered capital of 498 million RMB and involvement in 350 bidding projects [2]

Group 1 - The State Intellectual Property Office of China granted a patent for "Preparation of Polycaprolactone Shape Memory Materials and Their Preparation Methods and Applications" to Sinopec Nanjing Chemical Research Institute Co., Ltd., China Petroleum & Chemical Corporation, and Sinopec Group Nanjing Chemical Industry Co., Ltd. The patent announcement number is CN116041680B, with an application date of October 2022 [1][2][3] Group 2 - Sinopec Nanjing Chemical Research Institute Co., Ltd. was established in 1994, located in Nanjing, with a registered capital of 80 million RMB. The company has made investments in 3 enterprises, participated in 461 bidding projects, and holds 1,649 patent records [1] - China Petroleum & Chemical Corporation was founded in 2000, based in Beijing, with a registered capital of approximately 12,173.97 million RMB. The company has invested in 263 enterprises, engaged in 5,000 bidding projects, and possesses 5,000 patent records [1] - Sinopec Group Nanjing Chemical Industry Co., Ltd. was established in 1985, also located in Nanjing, with a registered capital of approximately 2,402.15 million RMB. The company has invested in 16 enterprises, participated in 5,000 bidding projects, and holds 569 patent records [2]

Group 1 - The core viewpoint of the article is that Sinopec has applied for a patent related to the preparation of phthalic anhydride, which could significantly reduce operational costs and improve efficiency in production [1][3] - The patent application, titled "Method for Preparing Phthalic Anhydride and Method and Application for Extracorporeal Activation," was filed on January 2024 [1] - The method involves activating a catalyst in an oxygen-containing atmosphere at a pressure of at least 0.2 bar, which allows for a rapid increase in the concentration of raw materials such as ortho-xylene and/or naphthalene [1] Group 2 - Sinopec, established in 2000, is primarily engaged in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB [1] - The company has invested in 263 enterprises and participated in 5,000 bidding projects, holding 45 trademark records and 5,000 patent records [1] - Sinopec (Beijing) Chemical Research Institute Co., Ltd., founded in 2021, focuses on the manufacturing of chemical raw materials and products, with a registered capital of 100 million RMB [2] - The research institute has invested in 4 enterprises and participated in 1,149 bidding projects, holding 16 trademark records and 1,622 patent records [2]

Group 1 - The core viewpoint of the news is that Sinopec has applied for a patent related to graphene dispersion liquid and its preparation methods, which is aimed at enhancing cement composite materials used in well cementing technology [1][3] - The patent application was filed by Sinopec and its subsidiary, Sinopec Petroleum Engineering Technology Research Institute, indicating a focus on innovation in material technology within the oil and gas sector [1][2] - The patent details a method involving the use of sulfate electrolyte to intercalate and electrochemically exfoliate graphite flakes to produce graphene dispersion liquid, which is then used to create cement composite materials [1] Group 2 - Sinopec, established in 2000, is primarily engaged in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB and has invested in 263 companies [1] - Sinopec Petroleum Engineering Technology Research Institute, founded in 2022, focuses on research and experimental development, with a registered capital of 300 million RMB and has invested in 3 companies [2] - Both companies have significant involvement in various projects, with Sinopec participating in 5,000 bidding projects and the research institute in 689 projects, showcasing their active role in the industry [1][2]

金融界2025年7月8日消息，国家知识产权局信息显示，中国石油化工股份有限公司;中石化石油工程技 术研究院有限公司申请一项名为"一种压裂裂缝参数的优化方法及装置"的专利，公开号 CN120257498A，申请日期为2024年01月。 天眼查资料显示，中国石油化工股份有限公司，成立于2000年，位于北京市，是一家以从事石油和天然 气开采业为主的企业。企业注册资本12173968.9893万人民币。通过天眼查大数据分析，中国石油化工 股份有限公司共对外投资了263家企业，参与招投标项目5000次，财产线索方面有商标信息45条，专利 信息5000条，此外企业还拥有行政许可40个。 中石化石油工程技术研究院有限公司，成立于2022年，位于北京市，是一家以从事研究和试验发展为主 的企业。企业注册资本30000万人民币。通过天眼查大数据分析，中石化石油工程技术研究院有限公司 共对外投资了3家企业，参与招投标项目688次，财产线索方面有商标信息15条，专利信息745条，此外 企业还拥有行政许可18个。 来源：金融界 专利摘要显示，本申请提供的一种压裂裂缝参数的优化方法及装置，方法包括：构建地质构造模型、属 性模型及天然裂缝 ...

中石化石油工程技术研究院有限公司，成立于2022年，位于北京市，是一家以从事研究和试验发展为主 的企业。企业注册资本30000万人民币。通过天眼查大数据分析，中石化石油工程技术研究院有限公司 共对外投资了3家企业，参与招投标项目688次，财产线索方面有商标信息15条，专利信息728条，此外 企业还拥有行政许可18个。 来源：金融界 专利摘要显示，本发明公开了一种监测暂堵压裂效果的方法及应用，涉及石油工程技术领域，所述方法 包括：在压裂液中随着压裂砂加入A型球形颗粒；在暂堵过程中，添加暂堵球后，随着压裂砂加入B型 球形颗粒；压裂结束后，使用声波测井仪器沿井筒测量监测段声波响应，识别A型球形颗粒和B型球形 颗粒所处裂缝位置；在生产阶段，通过井口取返排液样，测定A型球形颗粒和B型球形颗粒的浓度占 比，确定暂堵压裂前后裂缝的产出占比。本发明的监测暂堵压裂效果的方法可以通过声波测井仪器和示 踪剂检测实现暂堵压裂效果的准确评价。 天眼查资料显示，中国石油化工股份有限公司，成立于2000年，位于北京市，是一家以从事石油和天然 气开采业为主的企业。企业注册资本12173968.9893万人民币。通过天眼查大数据分析，中国石油 ...

Group 1 - The core viewpoint of the article highlights that Sinopec has applied for a patent for a method and system for the selective oxidation of C4 hydrocarbons to produce succinic anhydride, indicating a focus on innovation in chemical processes [1] - The patent application was filed on January 2024, with the publication number CN120247845A, showcasing the company's ongoing research and development efforts [1] - The method involves a two-stage reactor system where the first reactor operates at a lower temperature and uses a low-activity, high-selectivity catalyst, achieving a butane conversion rate of 40-60% and a succinic anhydride selectivity of 60-80% [1] Group 2 - Sinopec, established in 2000, is primarily engaged in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB and has invested in 263 companies [2] - Sinopec has participated in 5,000 bidding projects and holds 45 trademark registrations and 5,000 patent records, indicating a strong presence in the industry [2] - Sinopec (Beijing) Chemical Research Institute, founded in 2021, focuses on the manufacturing of chemical raw materials and products, with a registered capital of 100 million RMB and has invested in 4 companies [2]

Group 1 - The core viewpoint of the news is that China Petroleum & Chemical Corporation (Sinopec) has applied for a patent related to the feasibility evaluation method, device, and electronic equipment for pressure operation in salt cavern gas storage [1] - The patent application was filed on January 2024, and the publication number is CN120258581A [1] - The invention pertains to the field of oil and gas resource storage and transportation technology, focusing on evaluating the pressure operation potential of gas storage wells [1] Group 2 - China Petroleum & Chemical Corporation was established in 2000, located in Beijing, primarily engaged in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB [2] - The company has made investments in 263 enterprises and participated in 5,000 bidding projects, holding 45 trademark records and 5,000 patent records [2] - Sinopec Petroleum Engineering Technology Research Institute, established in 2022, focuses on research and experimental development, with a registered capital of 300 million RMB [2] - The research institute has invested in 3 enterprises, participated in 688 bidding projects, and holds 15 trademark records and 728 patent records [2]

Group 1 - China Petroleum Pipeline Engineering Co., Ltd., China National Petroleum Corporation, and China Petroleum Pipeline Bureau Engineering Co., Ltd. have applied for a patent titled "A Pipeline Route Design Method Based on a Single Pipe Mathematical Model" [1] - The patent application was published under CN120257547A with an application date of June 2025 [1] - The patent outlines a method that includes steps such as determining a three-dimensional longitudinal section and UCS coordinate system based on the actual three-dimensional model of the pipeline installation target area [1] Group 2 - China Petroleum Pipeline Engineering Co., Ltd. was established in 1995, located in Langfang City, with a registered capital of 60 million RMB [2] - The company has participated in 1,883 bidding projects and holds 637 patents [2] - China National Petroleum Corporation was founded in 1990, located in Beijing, with a registered capital of 48,690 million RMB [2] - This corporation has invested in 113 companies and participated in 5,000 bidding projects, holding 5,000 patents [2] - China Petroleum Pipeline Bureau Engineering Co., Ltd. was established in 2000, also located in Langfang City, with a registered capital of 500,670.44 million RMB [2] - The company has invested in 34 enterprises and participated in 5,000 bidding projects, holding 1,307 patents [2]

Group 1 - The core viewpoint of the news is that China Petroleum & Chemical Corporation (Sinopec) has applied for a patent related to fiber composite materials and their preparation methods, which includes flame-retardant products [1] - The patent application was published under CN120248552A, with the application date being January 2024 [1] - The fiber composite material consists of 68-78wt% fiber, 21.8-32wt% resin, and 0.2-1wt% organic aerogel, indicating a focus on enhancing flame-retardant properties while maintaining mechanical performance [1] Group 2 - China Petroleum & Chemical Corporation was established in 2000 and is primarily engaged in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB [2] - Sinopec has made investments in 263 companies and participated in 5000 bidding projects, holding 5000 patent records and 45 trademark records [2] - Sinopec Shanghai Petrochemical Company, established in 1993, focuses on oil, coal, and other fuel processing, with a registered capital of approximately 1.08 billion RMB and has invested in 21 companies [2]