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Legal status
Patent not validated
| (51) | INT.CL. | C07C 263/10 | |
| C07C 263/20 |
| (11) | Number of the document | 2828235 |
| (13) | Kind of document | T |
| (96) | European patent application number | 13709242.5 |
| Date of filing the European patent application | 2013-03-15 | |
| (97) | Date of publication of the European application | 2015-01-28 |
| (45) | Date of publication and mention of the grant of the patent | 2017-11-22 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/EP2013/055411 |
| Date | 2013-03-15 |
| (87) | Number | WO 2013/139703 |
| Date | 2013-09-26 |
| (30) | Number | Date | Country code |
| 12160168 | 2012-03-19 | EP |
| (72) |
BRUNS, Rainer, DE
LORENZ, Wolfgang, DE
RAUSCH, Andreas Karl, DE
WERSHOFEN, Stefan, DE
LODDENKEMPER, Tim, DE
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| (73) |
Covestro Deutschland AG,
Kaiser-Wilhelm-Allee 60, 51373 Leverkusen,
DE
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| (54) | VERFAHREN ZUR HERSTELLUNG VON ISOCYANATEN |
| METHOD FOR MAKING ISOCYANATES |