Abstract: Suggested is the use of amides and/or polyamides obtainable by condensation of (a) mono- and/or dicarboxylic acids and (b) amines and/or polyamines as auxiliary agents for aqueous asphalt and bitumen compositions.
Type:
Grant
Filed:
February 11, 2009
Date of Patent:
June 12, 2012
Assignee:
Cognia IP Management GmbH
Inventors:
Joaquin Bigorra Llosas, Ramon Valls, Stéphanie Merlet, Jean-Pierre Molitor