专利检索 ap:("Japan Vam & Poval Co., Ltd.") AND inv:"TANAKA Shun" 第 1 页

1.

发明公开
DISPERSION STABILIZER AND VINYL-BASED POLYMER PRODUCTION METHOD 审中-实审

公开(公告)号：EP4368645A1

公开(公告)日：2024-05-15

申请号：EP22837655.4

申请日：2022-07-04

申请人： Japan Vam & Poval Co., Ltd.

发明人： OMORI Takehiro , KOZUKA Yoshiaki , TANAKA Shun

IPC分类号： C08F8/12 , C08F8/48 , C08F2/20 , C09K23/52

CPC分类号： C09K23/52 , C08F2/20 , C08F8/12 , C08F8/48

摘要： Provided are a novel dispersant for suspension polymerization, and the like. The dispersion stabilizer for suspension polymerization includes a polyvinyl alcohol-based polymer (A) having an acetal skeleton having an ionic group.

2.

发明公开
DISPERSION STABILIZER AND METHOD FOR PRODUCING VINYL POLYMER 审中-实审

公开(公告)号：EP4368644A1

公开(公告)日：2024-05-15

申请号：EP22837654.7

申请日：2022-07-04

申请人： Japan Vam & Poval Co., Ltd.

发明人： OMORI Takehiro , KOZUKA Yoshiaki , TANAKA Shun

IPC分类号： C08F8/12 , C08F8/48 , C08F2/20 , C09K23/52

CPC分类号： C09K23/52 , C08F2/20 , C08F8/12 , C08F8/48

摘要： Provided are a novel dispersant for suspension polymerization, and the like. The dispersion stabilizer includes a polyvinyl alcohol-based polymer (A) having an acetal skeleton (a) having a polymerizable unsaturated bond and an ionic skeleton (b).