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Inventor: Yamaguchi; Yoshiaki
Address: Tokyo, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7195024 |
Chemical supply system |
March 27, 2007 |
| A chemical supply system comprises, as principal elements, a chemical storage tank in which a liquid chemical for cleaning is stored in the state of its formulated concentrate, a chemical supply apparatus connected to the chemical storage tank for positively performing chemical suppl |
| 6764212 |
Chemical supply system |
July 20, 2004 |
| A chemical supply system comprises, as principal elements, a chemical storage tank in which a liquid chemical for cleaning is stored in the state of its formulated concentrate, a chemical supply apparatus connected to the chemical storage tank for positively performing chemical supply, a |
| 5502215 |
Method for purification of lactide |
March 26, 1996 |
| A method for the purification of lactide is provided which permits lactide of high optical purity or DL-lactide of high purity to be produced from crude lactide by the removal of meso-lactide from the crude lactide. This method for the purification of lactide is characterized by causing |
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