Cationic and anionic lignin amines corrosion inhibitors

Details Cationic and anionic lignin amines corrosion inhibitors Cationic and anionic lignin amines corrosion inhibitors

1988-03-28

1988-12-06

Nielsen, Earl

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

252391, 252392, C23F 1104

Patent

active

047895233

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.

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patent: 4209487 (1980-06-01), Hogue et al.
patent: 4310435 (1982-01-01), Frenier
patent: 4455257 (1984-06-01), Hoftiezer et al.

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