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Khamphee PHOMPHRAI
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Rayong, TH
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Patents Grants
last 30 patents
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Patent Grant
Catalyst composition for a production process of δ-lactone from car...
Patent number
11,179,709
Issue date
Nov 23, 2021
PTT Global Chemical Public Company Limited
Sucheewin Chotchatchawankul
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst composition for a producing process of an unsaturated carb...
Patent number
10,934,243
Issue date
Mar 2, 2021
PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED
Phonpimon Wongmahasirikun
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
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Patent Application
CATALYST COMPOSITION FOR CYCLIC CARBONATE PRODUCTION FROM CO2 AND O...
Publication number
20220401937
Publication date
Dec 22, 2022
PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED
Kunnigar VONGNAM
C07 - ORGANIC CHEMISTRY
Information
Patent Application
CATALYST COMPOSITION FOR CYCLIC CARBONATE PRODUCTION FROM CO2 AND E...
Publication number
20220379290
Publication date
Dec 1, 2022
PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED
Jiraya KIRIRATNIKORN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
A CATALYST COMPOSITION FOR A PRODUCING PROCESS OF AN UNSATURATED CA...
Publication number
20200317598
Publication date
Oct 8, 2020
PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED
Phonpimon WONGMAHASIRIKUN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYST COMPOSITION FOR A PRODUCTION PROCESS OF delta-LACTONE FROM...
Publication number
20190321813
Publication date
Oct 24, 2019
PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED
Sucheewin CHOTCHATCHAWANKUL
C07 - ORGANIC CHEMISTRY