Chemistry: natural resins or derivatives; peptides or proteins; – Lignins or derivatives – Aldehyde – ketone or ozone reacted with a lignin or lignin...
Patent
1987-05-01
1988-11-22
Nielsen, Earl
Chemistry: natural resins or derivatives; peptides or proteins;
Lignins or derivatives
Aldehyde, ketone or ozone reacted with a lignin or lignin...
530505, 260 975, 260101, 260102, 260401, C07G 100
Patent
active
047867205
ABSTRACT:
Surface active agents are prepared from by-products of papermaking. Lignin, modified lignin, resin acid, and tall oil fatty acid are reacted with a polyamine to produce an amine condensate, and this amine condensate is reacted with a bisulfite and formaldehyde in aqueous solution to produce the novel surface active agents.
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McDaniel Terry B.
Nielsen Earl
Schmalz Richard L.
Westvaco Corporation
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