Title:
POLISHING AGENT COMPOSITION FOR PLASTIC LENS
Document Type and Number:
WIPO Patent Application WO/2024/085218
Kind Code:
A1
Abstract:
This polishing agent composition for a plastic lens contains alumina, polyvinyl alcohol, and water, wherein the degree of saponification of the polyvinyl alcohol is 40-98 mol%, and the degree of polymerization of the polyvinyl alcohol is 50-1000.
Inventors:
GOTO YUJI (JP)
Application Number:
PCT/JP2023/037827
Publication Date:
April 25, 2024
Filing Date:
October 19, 2023
Export Citation:
Assignee:
YAMAGUCHI SEIKEN KOGYO CO LTD (JP)
International Classes:
C08L29/04; B24B37/00; C08K3/22; C09K3/14
Attorney, Agent or Firm:
WATANABE Kazuhira (JP)
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