Mitsubishi Gas Chemcial
Mitsubishi Gas Chemcial Patent applications | ||
Patent application number | Title | Published |
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20100063305 | METHOD OF PRODUCING S-(-)-6-HYDROXY-2,5,7,8-TETRAMETHYLCHROMANE-2-CARBOXYLIC ACID AND PRODUCT OBTAINED BY THE METHOD - The present invention provides an industrially available method for efficiently producing high-purity S-(−)-6-hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid excellent in solid-liquid separability from an S-(−)-6-hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid ester, and also provides products obtained by the method. | 03-11-2010 |