Location History:
- Tokyo, JP (1986 - 1987)
- Iwakuni, JP (1992 - 1996)
Company Filing History:
3 out of 65 
2 out of 343 
Years Active: 1986-1996
Title: The Innovative Contributions of Itsuo Kimura
Introduction
Itsuo Kimura is a notable inventor based in Iwakuni, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of aqueous dispersions and covering compositions. With a total of 5 patents to his name, Kimura's work has advanced the application of chlorinated polypropylene and graft copolymers in various industries.
Latest Patents
One of Kimura's latest patents is an aqueous dispersion that comprises a carboxyl group-containing chlorinated polypropylene with an acid value of 10 to 60 and a chlorine content of 15 to 35 wt. %. This innovative formulation also includes a carboxyl group-containing propylene-α-olefin copolymer with a number average molecular weight ranging from 2000 to 20000 and an acid value of 30 to 150. The dispersion is neutralized with a basic substance and dispersed into water using a nonionic surfactant. This technology allows for the creation of an aqueous dispersion of chlorinated polypropylene with excellent adhesive properties without the need for organic solvents.
Another significant patent by Kimura is an aqueous covering composition designed for polyolefin resin substrates. This composition consists of a dispersion of a graft copolymer, where 1 to 20% by weight of an α,β-unsaturated dicarboxylic acid or its acid anhydride is grafted onto a propylene-α-olefin polymer. The formulation also includes a neutralizing base and a polyol in water, showcasing Kimura's expertise in creating effective and environmentally friendly materials.
Career Highlights
Throughout his career, Itsuo Kimura has worked with prominent companies such as Sanyo Kokusaku Pulp Co., Ltd. and Nippon Paper Industries Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in polymer technology.
Collaborations
Kimura has collaborated with notable colleagues, including Tomishi Shibano and Sachio Maruchi. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Itsuo Kimura's contributions to the field of polymer chemistry are noteworthy, particularly through his innovative patents that enhance the properties of aqueous dispersions and covering compositions. His work continues to influence the