Hassan Y. Elnagar

Person

Baton Rouge, LA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing N-halogenated hydantoins
- Patent number 9,029,562
- Issue date May 12, 2015
- Albemarle Corporation
- Hassan Y. Elnagar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing N-halogenated hydantoins
- Patent number 8,586,763
- Issue date Nov 19, 2013
- Albemarle Corporation
- Hassan Y. Elnagar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Macromolecular amine-phenolic antioxidant compositions, process tec...
- Patent number 8,455,414
- Issue date Jun 4, 2013
- Albemarle Corporation
- Mahmood Sabahi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkylated heterocyclic reaction products useful as antioxidants
- Patent number 8,410,084
- Issue date Apr 2, 2013
- Albemarle Corporation
- Mahmood Sabahi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing N-halogenated hydantoins
- Patent number 7,999,118
- Issue date Aug 16, 2011
- Albemarle Corporation
- Hassan Y. Elnagar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of sterically hindered hydroxyphenylcarboxylic acid esters
- Patent number 7,988,884
- Issue date Aug 2, 2011
- Albemarle Corporation
- Vincent J. Gatto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of sterically hindered hydroxyphenylcarboxylic acid esters
- Patent number 7,667,066
- Issue date Feb 23, 2010
- Albemarle Corporation
- Vincent J. Gatto
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Stabilization and use of propargyl bromide
- Patent number 6,825,390
- Issue date Nov 30, 2004
- Albemarle Corporation
- Robert C. Herndon
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Process for producing N-halogenated organic compounds
- Patent number 6,809,205
- Issue date Oct 26, 2004
- Albemarle Corporation
- Hassan Y. Elnagar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilization and use of propargyl bromide
- Patent number 6,777,375
- Issue date Aug 17, 2004
- Albemarle Corporation
- Ralph W. Magin
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
1,3-dibromo-5,5-dimethylhydantoin of enhanced properties
- Patent number 6,508,954
- Issue date Jan 21, 2003
- Albemarle Corporation
- Hassan Y. Elnagar
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Selective bromination of aromatic compounds
- Patent number 6,489,524
- Issue date Dec 3, 2002
- Albemarle Corporation
- Mahmood Sabahi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of tetrabromobisphenol-A
- Patent number 6,300,527
- Issue date Oct 9, 2001
- Albemarle Corporation
- Thanikavelu Manimaran
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of tetrabromobisphenol-A
- Patent number 6,218,584
- Issue date Apr 17, 2001
- Albemarle Corporation
- Thanikavelu Manimaran
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of tetrabromobisphenol-A
- Patent number 6,162,953
- Issue date Dec 19, 2000
- Albemarle Corporation
- Bonnie G. McKinnie
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of solid tertiary amine oxides
- Patent number 6,121,490
- Issue date Sep 19, 2000
- Albemarle Corporation
- Hassan Y. Elnagar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzylic halogenation of alkylbenzoic acid esters
- Patent number 6,103,926
- Issue date Aug 15, 2000
- Albemarle Corporation
- Hassan Y. Elnagar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of tetrabromobisphenol-A
- Patent number 6,084,136
- Issue date Jul 4, 2000
- Albmarle Corporation
- Richard A. Holub
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of tetrabromobisphenol-A
- Patent number 6,084,137
- Issue date Jul 4, 2000
- Albemarle Corporation
- Bonnie G. McKinnie
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oxidation process
- Patent number 5,900,512
- Issue date May 4, 1999
- Albemarle Corporation
- Hassan Y. Elnagar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of bridged metallocene complexes and intermediates therefor
- Patent number 5,861,522
- Issue date Jan 19, 1999
- Albemarle Corporation
- Meng-Sheng Ao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bromination process
- Patent number 5,817,888
- Issue date Oct 6, 1998
- Albemarle Corporation
- Hassan Y. Elnagar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of bridged metallocene complexes and intermediates therefor
- Patent number 5,710,299
- Issue date Jan 20, 1998
- Albemarle Corporation
- Meng-Sheng Ao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of cycloalkyldiarylphosphines
- Patent number 5,654,485
- Issue date Aug 5, 1997
- Albemarle Corporation
- K. Pushpananda A. Senaratne
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of cycloalkyldiarylphosphines
- Patent number 5,654,486
- Issue date Aug 5, 1997
- Albemarle Corporation
- K. Pushpananda A. Senaratne
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkyl-aromatic diphosphites
- Patent number 5,565,600
- Issue date Oct 15, 1996
- Albemarle Corporation
- Hassan Y. Elnagar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing bis(alkylphenyl)pentaerythritol diphosphites
- Patent number 5,103,035
- Issue date Apr 7, 1992
- Ethyl Corporation
- Hassan Y. Elnagar
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process For Producing N-Halogenated Hydantoins
- Publication number 20140017290
- Publication date Jan 16, 2014
- ALBEMARLE CORPORATION
- Hassan Y. Elnagar
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
MACROMOLECULAR AMINE-PHENOLIC ANTIOXIDANT COMPOSITIONS, PROCESS TEC...
- Publication number 20120115764
- Publication date May 10, 2012
- ALBEMARLE CORPORATION
- Mahmood Sabahi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process For Producing N-Halogenated Hydantoins
- Publication number 20110262510
- Publication date Oct 27, 2011
- ALBEMARLE CORPORATION
- Hassan Y. Elnagar
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Octylated Phenyl-Alpha-Naphthylamine Product Mixtures And Productio...
- Publication number 20110124538
- Publication date May 26, 2011
- ALBEMARLE CORPORATION
- Steven G. Karseboom
- C07 - ORGANIC CHEMISTRY
Information Patent Application
BIOFILM CONTROL
- Publication number 20100292321
- Publication date Nov 18, 2010
- ALBEMARLE CORPORATION
- Joe D. Sauer
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
PREPARATION OF STERICALLY HINDERED HYDROXYPHENYLCARBOXYLIC ACID ESTERS
- Publication number 20100130391
- Publication date May 27, 2010
- ALBEMARLE CORPORATION
- Vincent J. Gatto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ALKYLATED HETEROCYCLIC REACTION PRODUCTS USEFUL AS ANTIOXIDANTS
- Publication number 20100041730
- Publication date Feb 18, 2010
- Mahmood Sabahi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Lubricant Oil and Lubricating Oil Additive Concentrate Compositions
- Publication number 20080318814
- Publication date Dec 25, 2008
- ALBEMARLE CORPORATION
- Vincent J. Gatto
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Process for synthesizing alkylated arylamines
- Publication number 20060276677
- Publication date Dec 7, 2006
- Hassan Y. Elnagar
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing N-halogenated hydantoins
- Publication number 20060036099
- Publication date Feb 16, 2006
- Hassan Y. Elnagar
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Preparation of sterically hindered hydroxyphenylcarboxylic acid esters
- Publication number 20050192455
- Publication date Sep 1, 2005
- ALBEMARLE CORPORATION
- Vincent J. Gatto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing N-halogenated organic compounds
- Publication number 20050049420
- Publication date Mar 3, 2005
- Hassan Y. Elnagar
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Stabilization and use of propargyl bromide
- Publication number 20040147617
- Publication date Jul 29, 2004
- Robert C. Herndon
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Process for producing propargyl bromide
- Publication number 20040044259
- Publication date Mar 4, 2004
- Christopher L. Mero
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Stabilization and use of propargyl bromide
- Publication number 20030194514
- Publication date Oct 16, 2003
- Ralph W. Magin
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Process for thermal benzylic bromination
- Publication number 20030105350
- Publication date Jun 5, 2003
- Max K. Mortensen
- C07 - ORGANIC CHEMISTRY

Hassan Y. Elnagar

Person

Patents Grantslast 30 patents

Process for producing N-halogenated hydantoins

Process for producing N-halogenated hydantoins

Macromolecular amine-phenolic antioxidant compositions, process tec...

Alkylated heterocyclic reaction products useful as antioxidants

Process for producing N-halogenated hydantoins

Preparation of sterically hindered hydroxyphenylcarboxylic acid esters

Preparation of sterically hindered hydroxyphenylcarboxylic acid esters

Stabilization and use of propargyl bromide

Process for producing N-halogenated organic compounds

Stabilization and use of propargyl bromide

1,3-dibromo-5,5-dimethylhydantoin of enhanced properties

Selective bromination of aromatic compounds

Process for the preparation of tetrabromobisphenol-A

Process for the preparation of tetrabromobisphenol-A

Process for the preparation of tetrabromobisphenol-A

Production of solid tertiary amine oxides

Benzylic halogenation of alkylbenzoic acid esters

Process for the preparation of tetrabromobisphenol-A

Process for the preparation of tetrabromobisphenol-A

Oxidation process

Production of bridged metallocene complexes and intermediates therefor

Bromination process

Production of bridged metallocene complexes and intermediates therefor

Synthesis of cycloalkyldiarylphosphines

Synthesis of cycloalkyldiarylphosphines

Alkyl-aromatic diphosphites

Process for preparing bis(alkylphenyl)pentaerythritol diphosphites

Patents Applicationslast 30 patents

Process For Producing N-Halogenated Hydantoins

MACROMOLECULAR AMINE-PHENOLIC ANTIOXIDANT COMPOSITIONS, PROCESS TEC...

Process For Producing N-Halogenated Hydantoins

Octylated Phenyl-Alpha-Naphthylamine Product Mixtures And Productio...

BIOFILM CONTROL

PREPARATION OF STERICALLY HINDERED HYDROXYPHENYLCARBOXYLIC ACID ESTERS

ALKYLATED HETEROCYCLIC REACTION PRODUCTS USEFUL AS ANTIOXIDANTS

Lubricant Oil and Lubricating Oil Additive Concentrate Compositions

Process for synthesizing alkylated arylamines

Process for producing N-halogenated hydantoins

Preparation of sterically hindered hydroxyphenylcarboxylic acid esters

Process for producing N-halogenated organic compounds

Stabilization and use of propargyl bromide

Process for producing propargyl bromide

Stabilization and use of propargyl bromide

Process for thermal benzylic bromination