Location History:
- Tokyo, JP (1987 - 1989)
- Saitama, JP (1990)
Company Filing History:
Years Active: 1987-1990
Title: By Nobuko Makishima: A Legal Representative and Innovator in Polymer Chemistry.
Introduction
By Nobuko Makishima is a distinguished legal representative based in Tokyo, Japan. He has made significant contributions to the field of polymer chemistry, holding a total of 3 patents. His innovative work focuses on the production and modification of styrene polymers, showcasing his expertise in this specialized area.
Latest Patents
One of his latest patents is a process for producing a modified styrene polymer. This invention relates to a p-methyl styrene polymer, which is represented by a specific formula. The process involves lithiating poly p-methylstyrene (PPMS) through a reaction with n-butyllithium. The lithiated PPMS is then utilized to prepare polymers containing functional groups. For instance, a solution of PPMS with a molecular weight of 260,000 was reacted with n-butyllithium and tetramethylethylenediamine for 20 hours, resulting in a precipitate that was further processed to obtain a solid polymer with carboxyl group functionality.
Another notable patent involves a block copolymer that includes an ethylene-propylene copolymer segment and a tetrahydrofuran segment. The weight ratio of these segments ranges from 5/95 to 95/5, and the block copolymer exhibits a number-average molecular weight between 1,000 and 1,000,000. This innovation highlights his ability to create complex polymer structures with diverse applications.
Career Highlights
Throughout his career, By Nobuko Makishima has worked with reputable companies such as Toa Nenryo Kogyo and Toa Nenryo Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to advancements in polymer technology.
Collaborations
Some of his notable coworkers include Tokuo Makishima, who is deceased, and Chihiro Imai. Their collaborations have likely enriched his professional journey and contributed to his innovative endeavors.
Conclusion
By Nobuko Makishima stands out as a prominent figure in the field of polymer chemistry, with a focus on innovative processes and materials. His contributions through patents and collaborations reflect his commitment to advancing the science of polymers.
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.