Colloid systems and wetting agents; subcombinations thereof; pro – Agent composition – per se – for colloid system making or... – The agent contains organic compound containing nitrogen,...
Patent
1998-04-20
2000-08-22
Dodson, Shelley A.
Colloid systems and wetting agents; subcombinations thereof; pro
Agent composition, per se, for colloid system making or...
The agent contains organic compound containing nitrogen,...
516917, 424 7011, 424 7017, 424 73, 424401, 514873, A61K 706, A61K 711, A61K 715, A61K 700
Patent
active
061073520
ABSTRACT:
The present invention also relates to chemical compositions comprising the neutralization product of at least one amine neutralization compound (preferably, a diamine) and a carboxylic acid (preferably, a dicarboxylic acid), said amine neutralization compound comprising about 1% to about 100% by weight (of the total amount of amine neutralization containing compound) of a first amine compound and 0% to about 99% by weight of a second amine compound different from said first amine compound, said first amine compound being a polyamine containing at least one tertiary amine group and at least one quaternary amine group, said tertiary amine group of said first amine reacting with said carboxylic acid group to produce a tertiary ammonium carboxylate salt, said second amine compound containing at least one primary, secondary or tertiary amine group with the proviso that when said second amine contains only primary and/or secondary amine groups, the amount of said second amine in said amine neutralization compound is no greater than about 20% (preferably, no greater than about 10%) by weight and said carboxylic acid comprises at least about 50% by weight (more preferably at least about 75% by weight, even more preferably about 90% by weight and even more preferably about 100% by weight of a polycarboxylic acid, more preferably a dicarboxylic acid.
REFERENCES:
patent: 4537762 (1985-08-01), Fogel et al.
patent: 4548810 (1985-10-01), Zofchak
patent: 4940573 (1990-07-01), Sebag et al.
patent: 5674479 (1997-10-01), George et al.
Kenney Madeline
Mosquera Michael
Obeji John
Zofchak Albert
Alzo, Inc.
Coleman Henry D.
Dodson Shelley A.
Lamm Marina
Sudol R. Neil
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