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US 6,982,352 B2 |
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Process for preparing N-methyldialkylamines from secondary dialkylamines and formaldehyde |
Peter Lappe, Dinslaken (Germany); and Helmut Springer, Dinslaken (Germany) |
Assigned to Celanese Chemicals Europe GmbH, (Germany) |
Filed on Mar. 19, 2004, as Appl. No. 10/804,747. |
Claims priority of application No. 103 16 375 (DE), filed on Apr. 10, 2003. |
Prior Publication US 2004/0204611 A1, Oct. 14, 2004 |
Int. Cl. C07C 209/28 (2006.01); C07C 211/35 (2006.01); C07C 211/08 (2006.01); C07C 211/21 (2006.01); C07C 211/27 (2006.01)
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