Inventor · disambiguated record
Ulla Helmer
Also filed as: HELMER ULLA · HELMER ULLA K E
6 granted patents·199 citations·filing 1986–1995
86Inventor score
Top patents by PatentIndex Score
6 records- 0179US5680320AMethod of quantifying performance chemicals in pulp and paperEKA NOBEL AB·Filed 1995·Granted Oct 21, 1997·54 cites·15 claims
- 0272US5638284AMethod of quantifying the wet strength of paperEKA NOBEL AB·Filed 1995·Granted Jun 10, 1997·43 cites·19 claims
- 0370US5680321AMethod of quantifying the properties of paperEKA NOBEL AB·Filed 1995·Granted Oct 21, 1997·35 cites·28 claims
- 0467US5009789AMethod and plant for separation of synthetic water soluble polymersEKA NOBEL·Filed 1987·Granted Apr 23, 1991·36 cites·16 claims
- 0557US4743303AAqueous dispersions, a process for their preparation and the use of the dispersions as sizing agentsCASCO NOBEL AB·Filed 1986·Granted May 10, 1988·18 cites·26 claims
- 0650US4816073AAqueous dispersions, a process for their preparation and the use of the dispersions as sizing agentsCASCO NOBEL AB·Filed 1987·Granted Mar 28, 1989·13 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →