1Naito Hiroyuki,Nagata Yuichiro,Ohkita Motomu. Manufacture of Catalyst for Methacrylic Acid Production and Manufacture of Methacrylic Acid[P].JP11226412, 1999-08-24.
2Nagata Yuichizo,kuroda Torn,Ohkita Motomu,etc .Oxide Catalysts and Manufacture of Methacrylic Acid Using them [P].JP11179209.1999-07 -06.
3迟洪盘 崔英华 王泽礼.甲基丙烯酸甲酯(MMA)的制造方法[P].CN1052848.1991.
4Yoshida Koichi, Mikami Hiroshi, Okita Tsutomu. Preparation of Carboxylic Acid Esters from Benzaldehydes and Alcohols [P].EP972759.2000-01-19.
5Miyaki Kenichi,kuroda Toru,Ohkita Motomu .Manufacture of oxide Catalysts for Manufacture of Unsaturated Aldehydes and Carboxylic Acids [P].JP11179206,1999-07-06.