申请人 |
MITSUBISHI GAS CHEMICAL CO., INC., TOKIO/TOKYO, JP |
发明人 |
URAKAMI, TEIZI, C/O MITSUBSHIKI GAS CHEMICALCO., CHIYODA-KU, TOKYO 100, JP;ODA, MITSUNORI, C/O NIIGATA RES. LAB., TAYUHAMA, NIIGATA-SHI, NIIGATA 950-31, JP;ITOH, CHIEKO, C/O NIIGATA RES. LAB., TAYUHAMA, NIIGATA-SHI, NIIGATA 950-31, JP |