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Legal status
Patent revoked (after opposition at EPO)
| (51) | INT.CL. | C07C 67/08 | (2006.01) |
| C07C 69/60 | (2006.01) | ||
| C07C 67/52 | (2006.01) |
| (11) | Number of the document | 2718257 |
| (13) | Kind of document | T |
| (96) | European patent application number | 12796164.7 |
| Date of filing the European patent application | 2012-06-08 | |
| (97) | Date of publication of the European application | 2014-04-16 |
| (45) | Date of publication and mention of the grant of the patent | 2017-11-15 |
| (46) | Date of publication of the claims translation | 2018-03-12 |
| (86) | Number | PCT/US2012/041715 |
| Date | 2012-06-08 |
| (87) | Number | WO 2012/170923 |
| Date | 2012-12-13 |
| (30) | Number | Date | Country code |
| 201161494775 P | 2011-06-08 | US |
| (72) |
GUZOWSKI, John, US
KIESMAN, William, US
IRDAM, Erwin, US
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| (73) |
Biogen MA Inc.,
225 Binney Street, Cambridge, MA 02142,
US
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| (74) |
Reda ŽABOLIENĖ,
METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius,
LT
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| (54) | Aukšto grynumo ir kristalinio dimetilfumarato gavimo būdas |
| PROCESS FOR PREPARING HIGH PURITY AND CRYSTALLINE DIMETHYL FUMARATE |
| Payment date | Validity (years) | Amount | |
| 2019-05-29 | 8 | 185.00 EUR |
| Patent revoked (after opposition at EPO) | ||
| Invalidation date | 2019-12-03 |