Ke Zhang

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The Woodlands, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Quaternary ammonium hydroxides of polyamines
- Patent number 12,077,730
- Issue date Sep 3, 2024
- Huntsman Petrochemical LLC
- Donald H. Champion
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION OF ANHYDROUS QUATERNARY AMMONIUM HYDROXIDES
- Publication number 20250026643
- Publication date Jan 23, 2025
- Huntsman Petrochemical LLC
- Hui ZHOU
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Amine Oxides for Etching, Stripping and Cleaning Applications
- Publication number 20230266671
- Publication date Aug 24, 2023
- Huntsman Petrochemical LLC
- Hui Zhou
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
QUARTERNARY AMMONIUM HYDROXIDES OF POLYAMINES
- Publication number 20210179972
- Publication date Jun 17, 2021
- Huntsman Petrochemical LLC
- Donald H. Champion
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY