Location History:
- Broadview Heights, OH (US) (2012 - 2014)
- Kingwood, TX (US) (2015 - 2023)
Company Filing History:
13 out of 1,152 
2 out of 2,449 
2 out of 75 
Years Active: 2012-2023
Title: Innovative Contributions of Lei Ji in Polymerization Processes
Introduction
Lei Ji, located in Kingwood, TX, is a renowned inventor with a remarkable portfolio of 13 patents. His work primarily focuses on advancing polymerization processes, showcasing his innovative spirit and dedication to improving efficiency and sustainability in chemical manufacturing.
Latest Patents
Among Lei Ji's latest contributions is the patent for "Nitrogen conservation in polymerization processes." This invention features a closed-loop nitrogen transport system designed to optimize the way nitrogen is used in polymer manufacturing. The system includes a first transfer line for conveying polymer fluff using nitrogen pressure, coupled with a second transfer line for returning a nitrogen gas stream back to the upstream vessel after use. This innovative setup also incorporates a conveyor blower and a treatment unit that purifies the nitrogen gas by removing hydrocarbons, ultimately ensuring a purified nitrogen stream for continuous use.
Additionally, Ji's hybrid process patent, "Membrane and pressure swing adsorption hybrid INRU process," details a sophisticated method for separating components in polymer production. This process effectively divides a polymerization product stream into gas and polymer streams while utilizing purge gases and compressors. The systematic approach in the patent allows for the efficient recovery of gases and hydrocarbons, highlighting Ji's commitment to enhancing polymer production efficiency.
Career Highlights
Throughout his career, Lei Ji has made significant strides in the chemical industry. He has gained valuable experience working with prominent companies such as Chevron Phillips Chemical Company and Chevron U.S.A. Inc. His extensive background in these established organizations has been instrumental in shaping his innovative ideas and technical prowess.
Collaborations
Lei Ji has collaborated with notable colleagues, including Ai-Fu Chang and Michael Sean Driver. These partnerships have likely contributed to his success and the development of groundbreaking solutions in the field of polymerization.
Conclusion
Overall, Lei Ji's inventive contributions and patents reflect his profound understanding of polymer processes and his commitment to sustainability and innovation in the industry. With each patent, he continues to push the boundaries of what is possible in polymerization, ensuring a significant impact on the chemical manufacturing landscape.