This inventor holds 3 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Nippon Steel Chemical Co., Ltd., Nippon Steel & Sumikin Chemical Co., Ltd.. Active years: 2011-2015.
Location History:
- Kitakyushu, JP (2011 - 2013)
- Fukuoka, JP (2015)
Company Filing History:
2 out of 173 
1 out of 88 Years Active: 2011-2015
Title: Niranjan Kumar Shrestha: Innovator in Polymer Chemistry
Introduction
Niranjan Kumar Shrestha is a notable inventor based in Kitakyushu, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of thermally polymerizable and cationically polymerizable compositions. With a total of 3 patents to his name, his work has implications for various industrial applications.
Latest Patents
One of his latest patents is a thermally polymerizable resin composition. This innovative composition includes a water-soluble oxetane compound and at least one heteropolyacid compound. The water-soluble oxetane compound may contain multiple oxetane functional groups and alcoholic OH groups. The heteropolyacids utilized in this composition include phosphotungstic acid, phosphomolybdic acid, silicotungstic acid, and silicomolybdic acid, among others.
Another significant patent is related to a cationically polymerizable composition and a method for controlling cationic polymerization. This composition demonstrates improved storage stability and allows for controlled polymerization initiation or curing temperatures. When thermosetting, it yields a cured product with excellent mechanical, electrical, adhesive, heat, moisture, and chemical resistance properties. The composition comprises a cationically polymerizable compound, a heteropolyacid as a polymerization initiator, and a stabilizer selected from heteropolyacid salts.
Career Highlights
Niranjan Kumar Shrestha has worked with prominent companies such as Nippon Steel Chemical Co., Ltd. and Nippon Steel & Sumikin Chemical Co., Ltd. His experience in these organizations has contributed to his expertise in polymer chemistry and innovation.
Collaborations
Throughout his career, he has collaborated with notable professionals, including Atsuhiko Katayama and Keiji Banno. These collaborations have further enriched his research and development efforts in the field.
Conclusion
Niranjan Kumar Shrestha is a distinguished inventor whose work in polymer chemistry has led to valuable innovations. His patents reflect a commitment to advancing the field and addressing industrial challenges. His contributions continue to influence the development of new materials and applications.