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JPS5824531A Expired / Lapsed JP ⏱️ 0.0 years remaining

Novel dihydric phenol derivative and its preparation

Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1981-08-06
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Granted: —
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Expires: 2001-08-06
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Abstract

Abstract NEW MATERIAL:The dihydric phenol derivative of formulaI(R1 and R2 are H or CH3). EXAMPLE:1,3-[2-(2,4-dihydroxyphenyl)-2-propyl]benzene. USE:Raw material for the preparation of high-performance thermoplasic polymer, surface active agent, resin modifier, stabilizer, etc. PROCESS:A dihydric phenol is made to react with a compound selected from the group of formula II, formula III and formula IV in the presence of an acidic condensation agent at -20-+100 deg.C, and the objective dihydric phenol derivative of formulaIis recovered from the mixture obtained by the reaction.

Inventors

  • 👤 Haruhisa Harada
  • 👤 治久 原田
  • 👤 Hiroshi Maki
  • 👤 真木 洋

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-03 05:35
CPC Classifications
Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52

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