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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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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