Company Filing History:
Years Active: 1990-1996
Title: Katsumi Usui: Innovator in Polyolefin Technology
Introduction
Katsumi Usui is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of polyolefin technology, holding a total of 2 patents. His work focuses on enhancing the properties of polyolefins, which are widely used in various applications.
Latest Patents
Usui's latest patents include a process for preparing polyolefins that exhibit superior particle properties. This innovative method results in a polyolefin with an extremely high bulk density, a large average particle diameter, and a narrow particle size distribution. The process involves polymerizing an olefin using a catalyst that comprises a solid catalyst component and an organometallic compound. The solid catalyst component is created by reacting silicon oxide and/or aluminum oxide with an organomagnesium compound and a titanium compound, further refined with specific compounds to enhance its effectiveness.
Another notable patent is the preparation method of a masterbatch composition for thermoplastic resin. This method involves blending polybutene with an ethylene-alpha-olefin copolymer, which is obtained through copolymerization in the presence of specific catalysts. The resulting composition is kneaded and extruded within a defined temperature range, ensuring optimal characteristics for thermoplastic resin modification.
Career Highlights
Katsumi Usui is currently associated with Nippon Oil Company, where he continues to innovate in the field of polymer technology. His expertise and dedication have positioned him as a key figure in the development of advanced materials.
Collaborations
Usui has collaborated with notable colleagues, including Saburo Matsubara and Yoshihiro Gohshi. These partnerships have fostered a collaborative environment that enhances the innovation process.
Conclusion
Katsumi Usui's contributions to polyolefin technology demonstrate his commitment to advancing material science. His innovative patents and collaborations reflect his significant impact in the field.
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.