Assignee
EFKA CHEMICALS BV
NL·4 granted patents·90 citations·filing 1990–1997
Top patents by PatentIndex Score
4 records- 0171US5425900ADispersing agents, their use and solids coated therewithEFKA CHEMICALS BV·Filed 1992·Granted Jun 20, 1995·22 cites·15 claims
- 0267US5399294ADispersing agents, their use and solids coated therewithEFKA CHEMICALS BV·Filed 1990·Granted Mar 21, 1995·38 cites·16 claims
- 0347US5882393ADispersing agentEFKA CHEMICALS BV·Filed 1997·Granted Mar 16, 1999·15 cites·11 claims
- 0444US5688858ADispersantEFKA CHEMICALS BV·Filed 1995·Granted Nov 18, 1997·15 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →