US Patent 7989582 Process for producing poly-tetrahydrofuran
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Patent abstract
The present invention relates to a process for producing tetrahydrofuran polymer or tetrahydrofuran copolymer by using heteropolyacid catalyst, and more particularly, to a process for producing tetrahydrofuran polymer by using hydronium ion water having a pH of 5.5 or less as a reaction initiator in the initiation step.
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Patent Inventor Names
Eun-Ku Lee0
Jae-Young Huh0
Joon-Seok Oh0
No-Hyun Kim0
Yong-Ho Baek0
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US Patent 07989582 Process for producing poly-tetrahydrofuran US Patent 7989582 Process for producing poly-tetrahydrofuran
Infobox
Patent Number
079895820
Patent Number
79895820
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079895820
Date of Patent
August 2, 2011
0Patent Application Number
122891710
Date Filed
October 22, 2008
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
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Infobox (+7 properties)
US Patent 07989582 Process for producing poly-tetrahydrofuran
Infobox
Is a
Patent jurisdiction
Patent number
07989582
Date of patent
August 2, 2011
Patent application number
12289171
Date Filed
October 22, 2008
Patent primary examiner
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