Use of cationic surfactant as activity enhancer in...

Details Use of cationic surfactant as activity enhancer in... Use of cationic surfactant as activity enhancer in...

2007-03-27

2007-03-27

Davis, Brian (Department: 1621)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Ester doai

C514S396000, C514S549000, C548S338100, C560S169000

Reexamination Certificate

active

10494926

ABSTRACT:
Antimicrobial system which comprises a cationic surfactant, derived from the condensation of fatty acids and esterified dibasic amino acids, according to the following formula (I), where: X is Br, Cl or HSO4R1: is linear alkyl chain from an saturated fatty acid, or hydroxyacid from 8 to 14 atoms of carbon bonded to the α-amino acid group through amidic bond. R2is a linear or branched alkyl chain from 1 to 18 carbon atoms or aromatic. R3: is Formula (II), where n can be from 0 to 4, and at least one antimicrobial agent characterised for its enhanced activity.

REFERENCES:
patent: 0 485 616 (1992-05-01), None
patent: 0 749 960 (1996-12-01), None
patent: 2 143 557 (1973-02-01), None
Database CA Online Chemical Abstract Services. “Anti-microbial cosmetics having low irritability.” JP 10045557 (1998).
Database CA Online Chemical Abstract Services. “Antibacterial, low-irritation cosmetics.” JP 09255518 (1997).

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