Company Filing History:
3 out of 3 
1 out of 1 Years Active: 2017-2025
Title: Guoqiang Wen: Innovator in Polymerization and Chlorine Gas Recovery
Introduction
Guoqiang Wen is a prominent inventor based in Shanghai, China, known for his significant contributions to the fields of polymerization and chemical processes. With a total of four patents to his name, Wen has developed innovative methods that enhance production efficiency and environmental sustainability.
Latest Patents
One of Wen's latest patents is an aramid polymerization method using carbon dioxide as a solvent. This method involves reacting phenylenediamine with benzenedicarbonyl dichloride, with the addition of an acid-binding agent. The use of liquid carbon dioxide and/or supercritical carbon dioxide fluid as a reaction solvent makes this method environmentally friendly, resource-saving, and cost-effective. The resulting polycondensate exhibits controllable molecular weight and high product quality, with a yield in the aramid condensation stage reaching 98% and a solvent recovery rate exceeding 90%.
Another notable patent is a method for preparing chlorine gas through the catalytic oxidation of hydrogen chloride. This method employs one-time hydrogen chloride feeding and multi-stage oxygen feeding, or vice versa, to prevent excessive reaction heat concentration. This innovative approach allows for the industrial recovery of chlorine gas through the Deacon catalytic oxidation process.
Career Highlights
Guoqiang Wen has worked with several companies, including Finings Co. Ltd. and Shanghai Fanglun New Material Technology Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced chemical processes and materials.
Collaborations
Wen has collaborated with notable colleagues such as Nongyue Wang and Quanzhong Zhao, further enhancing his research and development efforts in the field of chemical engineering.
Conclusion
Guoqiang Wen's innovative patents and career achievements reflect his commitment to advancing chemical processes and materials. His work not only contributes to industrial efficiency but also emphasizes environmental sustainability.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.