Patent JPS548696A successfully refreshed from Google Patents.
JPS548696A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Preparation of polyvinyl alcohol having improved quality
Assignee: Mitsubishi Chemical Corp
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Filing: 1977-06-21
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Granted: —
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Expires: 1997-06-21
Abstract
Abstract PURPOSE: To prepare a polyvinyl alcohol useful as a dispersant of vinyl chloride polymer particles giving higher void volume and sharper particle size distribution, by saponifying a polyvinyl ester obtained by the polymerization in the presence of 2-4-diphenyl-4-methyl-1-pentene. COPYRIGHT: (C)1979,JPO&Japio
Inventors
- 👤 Yoshizo Onishi
- 👤 Yoshio Ebina
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-09 00:18
CPC Classifications
—
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