This inventor holds 1 USPTO granted patent. Top assignee: Shin-Etsu Chemical Co., Ltd.. Active years: 1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1998
Title: Tadaaki Kurokawa: Innovator in Vinyl Chloride Polymer Production
Introduction
Tadaaki Kurokawa is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of vinyl chloride polymers. His innovative approach has led to advancements in the efficiency of polymerization processes.
Latest Patents
Kurokawa holds a patent for a process for preparing vinyl chloride polymer under specified vapor conditions. This process involves the suspension polymerization of a vinyl chloride monomer in the presence of a polymerization initiator within a reactor. The reactor is charged with up to 4/5 of the overall monomer charge to initiate polymerization. The polymerization is conducted under a specific saturated vapor pressure of P1 kgf/cm² at a preset polymerization temperature. When the internal pressure of the reactor declines to P2 kgf/cm², the remainder of the overall monomer charge is continuously fed to the reactor. This method maintains the internal pressure within the range of (P1 - ΔP), where ΔP = P1 - P2 ranges from 0.1 to 2.0 kgf/cm². As a result, a vinyl chloride polymer with a high degree of polymerization is efficiently produced while alleviating the load of heat removal.
Career Highlights
Kurokawa is associated with Shin-Etsu Chemical Co., Ltd., a leading company in the chemical industry. His work has been instrumental in enhancing the production processes of vinyl chloride polymers, contributing to the company's reputation for innovation and quality.
Collaborations
Kurokawa has collaborated with esteemed colleagues such as Tadashi Amano and Takashi Kobayashi. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in polymer technology.
Conclusion
Tadaaki Kurokawa's contributions to the field of polymer chemistry, particularly through his patented process for vinyl chloride polymer production, highlight his innovative spirit and dedication to advancing chemical engineering. His work continues to influence the industry and inspire future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile