Assignee
STEPAN EUROPE
FR·3 granted patents·80 citations·filing 1994–1997
Top patents by PatentIndex Score
3 records- 0184US5637743AQuaternary ammonium surfactants derived from tertiary amines and fabric softeners containing quaternary ammonium surfactantsSTEPAN EUROPE·Filed 1995·Granted Jun 10, 1997·49 cites·16 claims
- 0279US5750492ASurfactants based on quaternary ammonium compounds preparation processes softening bases and compositions derivedSTEPAN EUROPE·Filed 1997·Granted May 12, 1998·27 cites·10 claims
- 0334US5539091AN-alkyl, n-acetylglycosylaminesSTEPAN EUROPE·Filed 1994·Granted Jul 23, 1996·4 cites·10 claims
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