Inventor · disambiguated record
John C. Rohanna
Also filed as: ROHANNA JOHN C
4 granted patents·5 pending applications·0 citations·filing 2014–2018
53Inventor score
Files withDOW GLOBAL TECHNOLOGIES LLC4ROHM & HAAS3DDP SPECIALTY ELECTRONIC MAT US INC1ROHANNA JOHN C1
Top patents by PatentIndex Score
9 records- 0156US9486798B2Method for making anion exchange and chelant resins including aliphatic amino functional groupsDOW GLOBAL TECHNOLOGIES LLC·Filed 2014·Granted Nov 8, 2016·0 cites·7 claims
- 0253US10138124B2Treating sulfuric acidROHM & HAAS·Filed 2016·Granted Nov 27, 2018·0 cites·6 claims
- 0349US10428163B2Sulfonation processROHM & HAAS·Filed 2016·Granted Oct 1, 2019·0 cites·2 claims
- 0448US11370852B2Making low-sodium resinDDP SPECIALTY ELECTRONIC MAT US INC·Filed 2018·Granted Jun 28, 2022·0 cites·8 claims
- 0541US2019143297A1Removing colloidal cobalt from an aqueous compositionDOW GLOBAL TECHNOLOGIES LLC·Filed 2017·Application pending·0 cites
- 0638US2021277161A1Low-sodium resinROHM & HAAS·Filed 2017·Application pending·0 cites
- 0737US2019292285A1Vinyl aromatic resinDOW GLOBAL TECHNOLOGIES LLC·Filed 2017·Application pending·0 cites
- 0836US2019291096A1Treating vinyl aromatic resinDOW GLOBAL TECHNOLOGIES LLC·Filed 2017·Application pending·0 cites
- 0930US2021283593A1Low-sodium resinROHANNA JOHN C·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →