Zhigang Qian

Title: Zhigang Qian: Innovator in Herbicide Technology

Introduction

Zhigang Qian is a notable inventor based in Jiande, China. He has made significant contributions to the field of herbicide technology, particularly through his innovative work on glyphosate formulations. His expertise and dedication to research have led to advancements that benefit agricultural practices.

Latest Patents

Zhigang Qian holds a patent for the invention titled "Glyphosate dimethylamine salt crystal, preparation method and use thereof." This invention provides a herbicidal active ingredient, a dimethylamine salt crystal of N-phosphonomethyl glycine (glyphosate), along with its preparation process and application. The preparation process involves adding glyphosate and a suitable amount of solvent into a conventional reactor, followed by the introduction of dimethylamine gas for reaction. The reaction temperature is carefully controlled between 5 and 90°C. After the reaction is complete, the temperature is gradually reduced, resulting in the precipitation of a crystalline dimethylamine salt of glyphosate.

Career Highlights

Zhigang Qian is associated with Zhejiang Wynca Chemical Industry Group Co., Ltd., where he continues to apply his knowledge and skills in chemical engineering and herbicide development. His work has been instrumental in enhancing the effectiveness of herbicides, contributing to more sustainable agricultural practices.

Collaborations

Zhigang has collaborated with notable colleagues such as Wei Wang and Shuguang Zhou. Their combined efforts in research and development have led to innovative solutions in the chemical industry.

Conclusion

Zhigang Qian's contributions to herbicide technology through his patent on glyphosate dimethylamine salt crystal exemplify his commitment to innovation in agriculture. His work not only advances scientific knowledge but also supports sustainable farming practices.