Beijing, Oct. 3 -- China Petroleum & Chemical and Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd have secured a patent on Four-impeller-shaped Catalyst Particle Configuration. Cao Kun, Guan Yueming, Zhang Cheng, Jiang Shujiao and Yan Hanxue developed the invention. The patent application number is CN20242333808U 20..

Beijing, Oct. 3 -- Zhejiang Petrochemical has secured a patent on Sample Waste Gas Recovery Device. Liu Jingbang, Chen Guodong, Gu Haifeng, Yu Yangyang, Lin Mingliang and Yu Kaiyuan developed the invention. The patent application number is CN202520227937U 20250213. The patent publication number is CN223755176 (U). Internation..

Beijing, Oct. 3 -- China Petroleum & Chemical and Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd have secured a patent on Industrial Spherical Particle Preparation Device. Zhu Huihong, Jin Hao, Sheng Qingqing, Wang Jifeng and Yang Tao developed the invention. The patent application number is CN20252053200U 20250109..

Beijing, Oct. 3 -- Yunnan Juneng Energy Co Ltd has secured a patent on Energy-saving and Environment-friendly Purification Equipment for Lubricating Oil Production. Li Jiarong and Ding Hongwei developed the invention. The patent application number is CN20242300062U 20241205. The patent publication number is CN223747397 (U). I..

Beijing, Oct. 2 -- Shandong Institute of Petrochemical Technology has been awarded a patent for Signal Frequency Spectrum Conversion Device. This invention was developed by Li Wei, Wu Zuojun, Fu Han and Cai Qihang. The patent application number is CN202520141160U 20250121. The patent publication number is CN223744822 (U). Int..

Beijing, Oct. 2 -- Shandong Langhui Petrochemical has secured a patent on Blower Supporting and Pushing Bearing Bush. Yang Jun, Jiang Motomura, Wang Jian, Sun Lei and Liu Yunlong developed the invention. The patent application number is CN20252049348U 20250109. The patent publication number is CN223739695 (U). International P..

Beijing, Oct. 2 -- Guangdong University of Petrochemical Technology has applied Chinese patent for Low-illumination Video Image Adaptive Enhancement Method and System Based on Illumination Physical Prior and Frequency Domain Decoupling. Ke Ye, Hu Shaolin, Sun Guoxi and Wang Guifang developed it. The patent application number ..