Inventor · disambiguated record
Hassan Y. Elnagar
Also filed as: ELNAGAR HASSAN Y
27 granted patents·6 pending applications·185 citations·filing 1990–2013
96Inventor score
Top patents by PatentIndex Score
33 records- 0192US6508954B11,3-dibromo-5,5-dimethylhydantoin of enhanced propertiesALBEMARLE CORP·Filed 2000·Granted Jan 21, 2003·39 cites·32 claims
- 0290US5900512AOxidation processALBEMARLE CORP·Filed 1997·Granted May 4, 1999·44 cites·18 claims
- 0387US7988884B2Preparation of sterically hindered hydroxyphenylcarboxylic acid estersALBEMARLE CORP·Filed 2010·Granted Aug 2, 2011·3 cites·18 claims
- 0481US6809205B1Process for producing N-halogenated organic compoundsALBEMARLE CORP·Filed 2000·Granted Oct 26, 2004·13 cites·120 claims
- 0579US8455414B2Macromolecular amine-phenolic antioxidant compositions, process technology thereof, and uses thereofSABAHI MAHMOOD·Filed 2007·Granted Jun 4, 2013·2 cites·8 claims
- 0676US8586763B2Process for producing N-halogenated hydantoinsELNAGAR HASSAN Y·Filed 2011·Granted Nov 19, 2013·2 cites·8 claims
- 0773US5103035AProcess for preparing bis(alkylphenyl)pentaerythritol diphosphitesETHYL CORP·Filed 1990·Granted Apr 7, 1992·15 cites·10 claims
- 0871US5817888ABromination processALBEMARLE CORP·Filed 1997·Granted Oct 6, 1998·14 cites·15 claims
- 0969US6825390B1Stabilization and use of propargyl bromideALBEMARLE CORP·Filed 2002·Granted Nov 30, 2004·3 cites·31 claims
- 1066US6300527B1Process for the preparation of tetrabromobisphenol-AALBEMARLE CORP·Filed 2000·Granted Oct 9, 2001·3 cites·23 claims
- 1163US8410084B2Alkylated heterocyclic reaction products useful as antioxidantsSABAHI MAHMOOD·Filed 2007·Granted Apr 2, 2013·0 cites·12 claims
- 1263US6777375B2Stabilization and use of propargyl bromideALBEMARLE CORP·Filed 2002·Granted Aug 17, 2004·3 cites·46 claims
- 1362US7667066B2Preparation of sterically hindered hydroxyphenylcarboxylic acid estersALBEMARLE CORP·Filed 2004·Granted Feb 23, 2010·2 cites·50 claims
- 1461US6084137AProcess for the preparation of tetrabromobisphenol-AALBEMARLE CORP·Filed 1996·Granted Jul 4, 2000·6 cites·49 claims
- 1559US7999118B2Process for producing N-halogenated hydantoinsALBEMARLE CORP·Filed 2005·Granted Aug 16, 2011·0 cites·47 claims
- 1657US6218584B1Process for the preparation of tetrabromobisphenol-AALBEMARLE CORP·Filed 1999·Granted Apr 17, 2001·5 cites·75 claims
- 1756US6489524B1Selective bromination of aromatic compoundsALBEMARLE CORP·Filed 1997·Granted Dec 3, 2002·5 cites·20 claims
- 1855US9029562B2Process for producing N-halogenated hydantoinsALBEMARLE CORP·Filed 2013·Granted May 12, 2015·0 cites·9 claims
- 1953US5654486ASynthesis of cycloalkyldiarylphosphinesALBEMARLE CORP·Filed 1996·Granted Aug 5, 1997·6 cites·21 claims
- 2053US2011124538A1Octylated Phenyl-Alpha-Naphthylamine Product Mixtures And Production Of Such Mixtures Having A High Content Of Octylated Phenyl-Alpha-NaphthylamineALBEMARLE CORP·Filed 2009·Application pending·0 cites
- 2151US6162953AProcess for the preparation of tetrabromobisphenol-AALBEMARLE CORP·Filed 1999·Granted Dec 19, 2000·3 cites·12 claims
- 2251US6084136AProcess for the preparation of tetrabromobisphenol-AALBEMARLE CORP·Filed 1998·Granted Jul 4, 2000·5 cites·25 claims
- 2350US2008318814A1Lubricant Oil and Lubricating Oil Additive Concentrate CompositionsALBEMARLE CORP·Filed 2007·Application pending·0 cites
- 2449US5565600AAlkyl-aromatic diphosphitesALBEMARLE CORP·Filed 1995·Granted Oct 15, 1996·4 cites·8 claims
- 2546US5654485ASynthesis of cycloalkyldiarylphosphinesALBEMARLE CORP·Filed 1996·Granted Aug 5, 1997·4 cites·26 claims
- 2644US2010292321A1Biofilm controlALBEMARLE CORP·Filed 2007·Application pending·0 cites
- 2743US6103926ABenzylic halogenation of alkylbenzoic acid estersALBEMARLE CORP·Filed 1999·Granted Aug 15, 2000·2 cites·30 claims
- 2842US2005049420A1Process for producing N-halogenated organic compoundsFiled 2004·Application pending·0 cites
- 2938US6121490AProduction of solid tertiary amine oxidesALBEMARLE CORP·Filed 1999·Granted Sep 19, 2000·1 cites·10 claims
- 3038US5861522AProduction of bridged metallocene complexes and intermediates thereforALBEMARLE CORP·Filed 1997·Granted Jan 19, 1999·1 cites·30 claims
- 3135US2006276677A1Process for synthesizing alkylated arylaminesELNAGAR HASSAN Y·Filed 2006·Application pending·0 cites
- 3233US5710299AProduction of bridged metallocene complexes and intermediates thereforALBEMARLE CORP·Filed 1996·Granted Jan 20, 1998·0 cites·41 claims
- 3329US2003105350A1Process for thermal benzylic brominationFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →