Ryozo Yamaguchi

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the purification of steroids
- Patent number 4,144,254
- Issue date Mar 13, 1979
- Mitsubishi Chemical Industries Limited
- Haruo Imai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 17-acetals of 3-alkoxyestra-2,5 (10)-dien-17-...
- Patent number 4,143,040
- Issue date Mar 6, 1979
- Mitsubishi Chemical Industries Limited
- Tadashi Oohama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 17-acetals of 3-alkoxyestra-2,5(10)-dien-17-ones
- Patent number 4,122,080
- Issue date Oct 24, 1978
- Mitsubishi Chemical Industries Limited
- Hideo Nagoshi
- C07 - ORGANIC CHEMISTRY