Company Filing History:
1 out of 160 
1 out of 53 
1 out of 1 Years Active: 2000-2010
Title: Yulong Li: Innovator in Catalyst Technology
Introduction
Yulong Li is a prominent inventor based in Beijing, China. He has made significant contributions to the field of catalyst technology, particularly in the area of ethylene oligomerization. With a total of 2 patents, his work has implications for both industrial applications and environmental sustainability.
Latest Patents
Yulong Li's latest patents include a catalyst composition for ethylene oligomerization. This invention relates to a catalyst composition that includes a chromium compound, a ligand containing phosphorus and nitrogen, an activator, and an accelerator. The chromium compound can be selected from acetyl acetone chromium, THF-chromium chloride, and Cr(2-ethylhecanoate). The ligand's general formula includes various groups, and the activator can be methyl, ethyl, propyl, or butyl aluminoxane. The accelerator is chosen from a group of halogenated compounds. This catalyst is particularly advantageous for producing 1-octene with high selectivity and catalytic activity.
Another notable patent is a dry regeneration-demetalization technique for catalysts used in residuum and heavy oil catalytic cracking. This process involves contacting the contaminated catalyst with activation and reduction gases, followed by carbonylation with CO gas. This innovative method restores catalyst activity without causing secondary environmental pollution.
Career Highlights
Yulong Li has worked with major companies in the energy sector, including PetroChina Company Limited and China Petrochemical Corporation. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in catalyst technology.
Collaborations
Yulong Li has collaborated with notable colleagues such as Baojun Zhang and Ning Zhang. Their combined expertise has furthered research and development in catalyst applications.
Conclusion
Yulong Li's contributions to catalyst technology demonstrate his innovative spirit and commitment to advancing industrial processes. His patents reflect a deep understanding of chemical engineering and a dedication to improving efficiency and sustainability in the field.