申请人 |
NIPPON PETROCHEMICALS CO., LTD., TOKIO/TOKYO, JP;DAICEL CHEMICAL INDUSTRIES, LTD., SAKAI, OSAKA, JP |
发明人 |
TOKUMOTO, YUICHI, YOKOHAMA-SHI, KANAGAWA-KEN, JP;SAKAMOTO, KAZUO, ZAMA-SHI, KANAGAWA-KEN, JP;SASAKI, KIKUO, YOKOHAMA-SHI, KANAGAWA-KEN, JP;SHIMIZU, ISOO, YOKOHAMA-SHI, KANAGAWA-KEN, JP |