Assignee
RYAN HELEN T
GB·2 granted patents·1 pending application·7 citations·filing 2008–2012
Top patents by PatentIndex Score
3 records- 0179US8227391B2Lubricating composition with good oxidative stability and reduced deposit formationRYAN HELEN T·Filed 2008·Granted Jul 24, 2012·7 cites·11 claims
- 0251US2010009881A1Thermally stable zinc-free antiwear agentRYAN HELEN T·Filed 2008·Application pending·0 cites
- 0348US10563146B2Preparation and use of aminoalkylphosphonic acid dilakyl ester compounds in a lubricant for antiwear, friction reduction, and/or micropitting preventionRYAN HELEN T·Filed 2012·Granted Feb 18, 2020·0 cites·16 claims
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