Inventor · disambiguated record
Norman Johnson
Also filed as: JOHNSON NORMAN · JOHNSON NORMAN E · JOHNSON NORMAN ENOCH
15 granted patents·3 pending applications·382 citations·filing 1985–2017
94Inventor score
Files withGEN ELECTRIC10SABIC INNOVATIVE PLASTICS IP3SABIC GLOBAL TECHNOLOGIES BV2BERNABE BEATRIZ PENALVER1GUI JOHN YUPENG1
Top patents by PatentIndex Score
18 records- 0195US4652685AHydrogenation of lactones to glycolsGEN ELECTRIC·Filed 1985·Granted Mar 24, 1987·154 cites·10 claims
- 0294US7125954B2Method for producing polyether polymersGEN ELECTRIC·Filed 2005·Granted Oct 24, 2006·18 cites·23 claims
- 0393US7714095B2Phase transfer catalyzed method for preparation of polyetherimidesSABIC INNOVATIVE PLASTICS IP·Filed 2006·Granted May 11, 2010·14 cites·31 claims
- 0492US6949622B2Method of separating a polymer from a solventGEN ELECTRIC·Filed 2003·Granted Sep 27, 2005·35 cites·31 claims
- 0592US6630568B1Method for purification of aromatic polyethersGEN ELECTRIC·Filed 2001·Granted Oct 7, 2003·49 cites·79 claims
- 0689US9181395B2Optimized emulsion drying process for making micronized polyetherimide polymersSABIC INNOVATIVE PLASTICS IP·Filed 2013·Granted Nov 10, 2015·7 cites·30 claims
- 0789US7122619B2Method of separating a polymer from a solventGEN ELECTRIC·Filed 2005·Granted Oct 17, 2006·10 cites·22 claims
- 0889US7115785B2Method for making salts hydroxy-substituted hydrocarbonsGEN ELECTRIC·Filed 2003·Granted Oct 3, 2006·21 cites·70 claims
- 0986US8372941B2Method for purification of polyether polymers and mixtures resulting therefromSABIC INNOVATIVE PLASTICS IP·Filed 2007·Granted Feb 12, 2013·6 cites·16 claims
- 1085US6790934B2Method for purification of aromatic polyethersGEN ELECTRIC·Filed 2001·Granted Sep 14, 2004·24 cites·112 claims
- 1184US10407397B2Method for isolation of a dianhydride and dianhydrides prepared by the methodSABIC GLOBAL TECHNOLOGIES BV·Filed 2017·Granted Sep 10, 2019·4 cites·20 claims
- 1273US6251354B1Process for recovering sodium nitriteGEN ELECTRIC·Filed 1999·Granted Jun 26, 2001·34 cites·38 claims
- 1359US2016145391A1Optimized emulsion drying process for making micronized polyetherimide polymersSABIC GLOBAL TECHNOLOGIES BV·Filed 2015·Application pending·0 cites
- 1454US8729214B2Mixtures resulting from methods for purification of polyether polymersBERNABE BEATRIZ PENALVER·Filed 2013·Granted May 20, 2014·0 cites·8 claims
- 1553US8592548B2Method to prepare bis(haloimides)GUI JOHN YUPENG·Filed 2004·Granted Nov 26, 2013·0 cites·31 claims
- 1652US5030773AProcess for the production of butanediolGEN ELECTRIC·Filed 1990·Granted Jul 9, 1991·6 cites·5 claims
- 1741US2005049390A1Phase transfer catalyzed method for preparation of polyetherimidesGEN ELECTRIC·Filed 2003·Application pending·0 cites
- 1840US2006089487A1Method of separating a polymer from a solventSILVI NORBERTO·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →