US PATENT SUBCLASS 424 / 70.21
.~ Amphoteric or zwitterionic surfactant containing

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

70.1  DF  LIVE HAIR OR SCALP TREATING COMPOSITIONS (NONTHERAPEUTIC) {12}
70.21.~ Amphoteric or zwitterionic surfactant containing

DEFINITION

Classification: 424/70.21

Amphoteric or zwitterionic surfactant containing:

(under subclass 70.1) Compositions which contain an amphoteric (zwitterionic) surfactant; e.g., CH3-NHCH(COO-)CH2CONH-(CH2)5N (CH3)(C2H5) Metal (+).