Inventor · disambiguated record
Margret Wohlfahrt-Mehrens
Also filed as: WOHLFAHRT-MEHRENS MARGRET
9 granted patents·5 pending applications·109 citations·filing 1995–2019
87Inventor score
Files withJOHNSON MATTHEY PLC2ALBEMARLE GERMANY GMBH1AXMANN PETER1FRIEDRICH JOERG1HEMMER REINHARD P1
Top patents by PatentIndex Score
14 records- 0187US6511639B1Process for recycling negative-electrode materials from spent lithium batteriesMERCK PATENT GMBH·Filed 2000·Granted Jan 28, 2003·40 cites·17 claims
- 0285US9281522B2Mixed oxide containing a lithium manganese spinel and process for its preparationVOGLER CHRISTIAN·Filed 2009·Granted Mar 8, 2016·7 cites·8 claims
- 0380US9562303B2Mixed oxide containing a lithium manganese spinel and process for its preparationJOHNSON MATTHEY PLC·Filed 2015·Granted Feb 7, 2017·1 cites·12 claims
- 0469US8168150B2Binary, ternary and quaternary lithium phosphates, method for the production thereof and use of the sameHEMMER REINHARD P·Filed 2002·Granted May 1, 2012·17 cites·2 claims
- 0565US10483538B2Mixed oxide containing a lithium manganese spinel and process for its preparationJOHNSON MATTHEY PLC·Filed 2017·Granted Nov 19, 2019·0 cites·25 claims
- 0665US6080510ATernary mixed lithium oxides, process for preparing the same, and secondary lithium battery formed therefromZENTRUM FUR SONNENENERGIE UND·Filed 1995·Granted Jun 27, 2000·33 cites·17 claims
- 0764US11145910B21.5-3 V lithium batteries with overcharge protectionALBEMARLE GERMANY GMBH·Filed 2019·Granted Oct 12, 2021·0 cites·15 claims
- 0861US10658664B2Lithium-nickel-manganese-based transition metal oxide particles, production thereof and use thereof as electrode materialZENTRUM FUER SONNENENERGIE UND WASSERSTOFF FORSCHUNG BADEN WUERTTEMBERG GEMEINUETZIGE STIFTUNG·Filed 2016·Granted May 19, 2020·1 cites·15 claims
- 0938US2009035208A1Nanoporous Catalyst Particles, the Production Thereof and Their UseAXMANN PETER·Filed 2006·Application pending·0 cites
- 1037US2009081454A1Carbon Nanoparticles, Production and Use ThereofZENTRUM FUR SONNENENERGI UND W·Filed 2006·Application pending·0 cites
- 1137US2012183855A1Positive active electrode material for lithium secondary battery, process for preparing the same and lithium secondary batteryWOHLFAHRT-MEHRENS MARGRET·Filed 2010·Application pending·0 cites
- 1235US6849208B1Nickel mixed hydroxide, method for the producing the same, and the use thereof as a cathode material in alkaline batteriesSTARCK H C GMBH·Filed 1999·Granted Feb 1, 2005·10 cites·12 claims
- 1333US2007275304A1Method and Plasmatron for the Production of a Modified Material and Corresponding Modified MaterialFRIEDRICH JOERG·Filed 2004·Application pending·0 cites
- 1432US2017149073A1Controlled discharge of an energy store using redox shuttle additivesZENTRUM FÜR SONNENENERGIE-UND WASSERSTOFF- FORSCHUNG BADEN-WÜRTTEMBERG GEMEINNÜTZIGE STIFTUNG·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →