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
Join the waitlist — get patent alerts
Get an alert when STEPAN EUROPE files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →