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Legal status
Patent not validated
(51) | INT.CL. | C07C 303/28 | |
C07C 303/44 | |||
C07C 309/66 |
(11) | Number of the document | 2543662 |
(13) | Kind of document | T |
(96) | European patent application number | 11750672.5 |
Date of filing the European patent application | 2011-03-02 | |
(97) | Date of publication of the European application | 2013-01-09 |
(45) | Date of publication and mention of the grant of the patent | 2015-04-22 |
(46) | Date of publication of the claims translation |
(86) | Number | PCT/JP2011/054698 |
Date | 2011-03-02 |
(87) | Number | WO 2011/108563 |
Date | 2011-09-09 |
(30) | Number | Date | Country code |
2010046549 | 2010-03-03 | JP |
(72) |
MARUNO, Shinobu, JP
NAKAZAWA, Koichi, JP
|
(73) |
Sumitomo Chemical Company, Limited,
27-1, Shinkawa 2-chome Chuo-ku, Tokyo 104-8260,
JP
|
(54) | PROCESS FOR PREPARATION OF ALKYL METHANESULFONATE SOLUTION |
PROCESS FOR PREPARATION OF ALKYL METHANESULFONATE SOLUTION |