Assignee

AMETHYST INVESTMENT GROUP INC

US·2 granted patents·41 citations·filing 1987–1988

Technology mixA61K2 A61Q2

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2 records

0169US4933174AMethod of using a liquid detergent with sunscreen agentAMETHYST INVESTMENT GROUP INC·Filed 1987·Granted Jun 12, 1990·38 cites·34 claims
0228US4996997APermanent waving process and compositionsAMETHYST INVESTMENT GROUP INC·Filed 1988·Granted Mar 5, 1991·3 cites·14 claims

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