Invention Grant
- Patent Title: Vinyl alcohol polymer and method for producing vinyl alcohol polymer
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Application No.: US17417589Application Date: 2019-12-26
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Publication No.: US12084526B2Publication Date: 2024-09-10
- Inventor: Yohei Nishimura , Junichi Niino , Yasunari Kusaka , Nami Nakajima , Hidehiro Yamaguchi
- Applicant: SEKISUI CHEMICAL CO., LTD. , Sekisui Specialty Chemicals America, LLC
- Applicant Address: JP TX Osaka
- Assignee: SEKISUI CHEMICAL CO., LTD.,Sekisui Specialty Chemicals America, LLC
- Current Assignee: SEKISUI CHEMICAL CO., LTD.,Sekisui Specialty Chemicals America, LLC
- Current Assignee Address: JP Osaka; US TX Pasadena
- Agency: Osha Bergman Watanabe & Burton LLP
- International Application: PCT/JP2019/051248 2019.12.26
- International Announcement: WO2020/138341A 2020.07.02
- Date entered country: 2021-06-23
- Main IPC: C08F16/06
- IPC: C08F16/06 ; C08F2/18 ; C08F2/20 ; C08F8/06 ; C08F14/06
Abstract:
A vinyl alcohol-based polymer according to one embodiment of the present invention has an integral value (e) of 0.8 to 20 in the case when a sum of the following integral value (a) to (e) is 100 in a 1H-NMR spectrum
(a) integral value of peak confirmed at 5.70 to 5.96 ppm
(b) integral value of peak confirmed at 5.97 to 6.63 ppm
(c) integral value of peak confirmed at 6.64 to 7.55 ppm
(d) integral value of peak confirmed at 7.56 to 7.81 ppm
(e) integral value of peak confirmed at 7.82 to 8.04 ppm.
(a) integral value of peak confirmed at 5.70 to 5.96 ppm
(b) integral value of peak confirmed at 5.97 to 6.63 ppm
(c) integral value of peak confirmed at 6.64 to 7.55 ppm
(d) integral value of peak confirmed at 7.56 to 7.81 ppm
(e) integral value of peak confirmed at 7.82 to 8.04 ppm.
Public/Granted literature
- US20220056169A1 VINYL ALCOHOL POLYMER AND METHOD FOR PRODUCING VINYL ALCOHOL POLYMER Public/Granted day:2022-02-24
Information query
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