Cationic and anionic lignin amines

Details Cationic and anionic lignin amines Cationic and anionic lignin amines

1987-07-23

1988-10-04

Nielsen, Earl

Chemistry: natural resins or derivatives; peptides or proteins;

Lignins or derivatives

Aldehyde, ketone or ozone reacted with a lignin or lignin...

210730, C07G 100

Patent

active

047757442

ABSTRACT:
Lignin amines are disclosed which are characterized by high nitrogen content and are water soluble at both alkaline and acidic pH values. The lignin amines have utility as flocculants, filtration aids, precipitants, scale inhibitors, asphalt emulsifiers, fluid loss additives, oil well cement additives, corrosion inhibitors, retention aids, cationic dispersants, and tall oil pitch emulsifiers.

REFERENCES:
patent: 2709696 (1955-05-01), Wiest et al.
patent: 2863780 (1958-12-01), Ball, Jr.
patent: 3407188 (1968-10-01), Cavagna
patent: 3470148 (1969-09-01), Allan
patent: 3857830 (1974-12-01), Briggs
patent: 3912706 (1975-10-01), Rachor et al.
patent: 3935101 (1976-01-01), Briggs
patent: 4455257 (1984-06-01), Hoftiezer et al.

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