Location History:
- Tokyo, JP (1990 - 1996)
- Machida, JP (1996)
- Sagamihara, JP (1992 - 1998)
- Yokohama, JP (1999 - 2001)
- Ibaraki, JP (2001)
- Kanagawa, JP (1989 - 2003)
Company Filing History:
12 out of 2,352 
2 out of 191 
1 out of 90,809 
Years Active: 1989-2003
Title: Hisao Urata: Innovator in Aldehyde Production and Isomerization Processes
Introduction
Hisao Urata is a distinguished inventor hailing from Kanagawa, Japan. With an impressive portfolio of 15 patents to his name, he has significantly contributed to the fields of organic chemistry and catalysis. His innovative processes have been pivotal in producing valuable chemical compounds efficiently and sustainably.
Latest Patents
Among Hisao Urata's latest patents are two groundbreaking inventions. The first is a process for producing aldehyde, which involves a reaction where an olefinic compound reacts with carbon monoxide and hydrogen in the presence of a rhodium complex catalyst. This method includes a crucial separation step to obtain a catalyst solution and a recycling step that ensures the sustainability of the process, achieving aldehyde concentrations ranging from 0.5 to 99 wt %.
The second patent details a process for the isomerization of allylic compounds. This invention allows for the isomerization of allylic substrates with acyloxyl or hydroxyl groups, leveraging a catalyst that includes a Group VIII-X metal compound and a phosphite compound. The process incorporates several steps: diacetoxylating butadiene, separating the mixture, and isomerizing the components, ultimately achieving high conversion rates and selectivity while minimizing metal deposition.
Career Highlights
Hisao Urata has had a notable career with key roles at significant companies in the chemical sector. He has worked with Mitsubishi Chemical Corporation, a leader in the chemical industry known for its innovative solutions, and the Sagami Chemical Research Center, which specializes in chemical research and development. His contributions to these organizations have reinforced their commitment to advancing chemical processes.
Collaborations
Throughout his career, Urata has collaborated with talented professionals such as Toshiyuki Oshiki and Yoshiyuki Tanaka. These collaborations have been instrumental in bringing innovative ideas to fruition, further enhancing the impact of their collective research in the chemical field.
Conclusion
Hisao Urata's contributions to the field of chemistry, particularly in the production of aldehydes and the isomerization of allylic compounds, have cemented his reputation as an influential inventor. His innovative processes not only exemplify the spirit of invention but also reflect a commitment to advancing sustainable practices in chemical production. Through his work, Urata continues to inspire future generations of inventors and chemists.