Chi Hung Cheng

Person

Baton Rouge, LA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Processes for recovering lithium values from lithium-containing brines
- Patent number 10,648,061
- Issue date May 12, 2020
- ALBEMARLE CORPORATION
- Chi Hung Cheng
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Bromination of low molecular weight aromatic polymer compositions
- Patent number 8,802,787
- Issue date Aug 12, 2014
- Albemarle Corporation
- William J. Layman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Halide reduction in dihydrocarbylmagnesium mixtures
- Patent number 7,871,547
- Issue date Jan 18, 2011
- Albemarle Corporation
- Milind M. Pradhan
- 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
Preventing undesired odor in and/or purifying alkanediols
- Patent number 6,528,665
- Issue date Mar 4, 2003
- Albemarle Corporation
- Chi Hung Cheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Epoxidation of olefins
- Patent number 6,525,208
- Issue date Feb 25, 2003
- Albemarle Corporation
- Chi Hung Cheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing fluoroaromatic carboxylates
- Patent number 6,365,773
- Issue date Apr 2, 2002
- Albemarle Corporation
- Chi H. Cheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for production of organic disulfides
- Patent number 6,235,941
- Issue date May 22, 2001
- Albemarle Corporation
- Chi Hung Cheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst recovery for halogen exchange reactions
- Patent number 6,215,032
- Issue date Apr 10, 2001
- Albemarle Corporation
- Chi Hung Cheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalysis in halogen exchange reactions
- Patent number 6,046,358
- Issue date Apr 4, 2000
- Albemarle Corporation
- Bruce C. Berris
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalysis in halogen exchange reactions
- Patent number 5,965,781
- Issue date Oct 12, 1999
- Albemarle Corporation
- Bruce C. Berris
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of N-hydrocarbylthiophosphoric triamides and N-hydrocarbyl...
- Patent number 5,955,630
- Issue date Sep 21, 1999
- Albemarle Corporation
- Chi Hung Cheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation and recovery of N-hydrocarbylthiophosphoric triamides o...
- Patent number 5,883,297
- Issue date Mar 16, 1999
- Albemarle Corporation
- Gerald M. Sulzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separating ammonium chloride from N-hydrocarbylphosphoric triamide...
- Patent number 5,872,293
- Issue date Feb 16, 1999
- Albemarle Corporation
- Gerald M. Sulzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Inhibiting ferrous metal corrosion by aqueous ammoniate solutions
- Patent number 5,871,667
- Issue date Feb 16, 1999
- Albemarle Corporation
- Chi Hung Cheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of N-hydrocarbylthiophosphoric triamides
- Patent number 5,770,771
- Issue date Jun 23, 1998
- Albemarle Corporation
- Gerald M. Sulzer
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Methods for Extracting Boron From an Organic Solution
- Publication number 20220081306
- Publication date Mar 17, 2022
- Albemarle Corporation
- Chi Hung Cheng
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Purification of Lithium-Containing Brine
- Publication number 20180353907
- Publication date Dec 13, 2018
- ALBEMARLE CORPORATION
- Jackson R. Switzer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESSES FOR RECOVERING LITHIUM VALUES FROM LITHIUM-CONTAINING BRINES
- Publication number 20180245180
- Publication date Aug 30, 2018
- ALBEMARLE CORPORATION
- Chi Hung Cheng
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process For Concentration Of Lithium Containing Solutions
- Publication number 20180147532
- Publication date May 31, 2018
- ALBEMARLE CORPORATION
- Jackson Reeves Switzer
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Sorbents for Recovery of Lithium Values from Brines
- Publication number 20170333867
- Publication date Nov 23, 2017
- ALBEMARLE CORPORATION
- Chi Hung Cheng
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Bromination of Low Molecular Weight Aromatic Polymer Compositions
- Publication number 20120053373
- Publication date Mar 1, 2012
- ALBEMARLE CORPORATION
- William J. Layman, JR.
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Halide Reduction in Dihydrocarbylmagnesium Mixtures
- Publication number 20080023856
- Publication date Jan 31, 2008
- ALBEMARLE CORPORATION
- Milind Madhav Pradhan
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for the Synthesis of Quaternary Ammonium Compounds and Compo...
- Publication number 20070260089
- Publication date Nov 8, 2007
- ALBEMARLE CORPORATION
- Joe D. Sauer
- C07 - ORGANIC CHEMISTRY
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

Chi Hung Cheng

Person

Patents Grantslast 30 patents

Processes for recovering lithium values from lithium-containing brines

Bromination of low molecular weight aromatic polymer compositions

Preparation of sterically hindered hydroxyphenylcarboxylic acid esters

Halide reduction in dihydrocarbylmagnesium mixtures

Preparation of sterically hindered hydroxyphenylcarboxylic acid esters

Preventing undesired odor in and/or purifying alkanediols

Epoxidation of olefins

Process for producing fluoroaromatic carboxylates

Process for production of organic disulfides

Catalyst recovery for halogen exchange reactions

Catalysis in halogen exchange reactions

Catalysis in halogen exchange reactions

Recovery of N-hydrocarbylthiophosphoric triamides and N-hydrocarbyl...

Preparation and recovery of N-hydrocarbylthiophosphoric triamides o...

Separating ammonium chloride from N-hydrocarbylphosphoric triamide...

Inhibiting ferrous metal corrosion by aqueous ammoniate solutions

Preparation of N-hydrocarbylthiophosphoric triamides

Patents Applicationslast 30 patents

Methods for Extracting Boron From an Organic Solution

Purification of Lithium-Containing Brine

PROCESSES FOR RECOVERING LITHIUM VALUES FROM LITHIUM-CONTAINING BRINES

Process For Concentration Of Lithium Containing Solutions

Sorbents for Recovery of Lithium Values from Brines

Bromination of Low Molecular Weight Aromatic Polymer Compositions

PREPARATION OF STERICALLY HINDERED HYDROXYPHENYLCARBOXYLIC ACID ESTERS

Halide Reduction in Dihydrocarbylmagnesium Mixtures

Method for the Synthesis of Quaternary Ammonium Compounds and Compo...

Preparation of sterically hindered hydroxyphenylcarboxylic acid esters