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1. 发明申请

WO2020047149A1 POLYVINYL ALCOHOL BASED DIVERTING AGENTS 审中-公开
公开(公告)号：WO2020047149A1
公开(公告)日：2020-03-05
申请号：PCT/US2019/048641
申请日：2019-08-28
申请人： KURARAY CO., LTD. , GHEBREMESKEL, Ghebrehiwet
发明人： GHEBREMESKEL, Ghebrehiwet , KATO, Masaki , NEUFELD, Levi , SPELL, Brittany
IPC分类号： C09K8/508 , C09K8/516 , C08L29/04
摘要： Provided are particulate polyvinyl alcohol-based diverting agents for use in subterranean treatments, which are prepared by compacting a specified polyvinyl alcohol copolymer optionally with certain specified additives and optionally other polyvinyl alcohols.

2. 发明申请

WO2019246031A1 AQUEOUS SEED COATING COMPOSITION 审中-公开
公开(公告)号：WO2019246031A1
公开(公告)日：2019-12-26
申请号：PCT/US2019/037636
申请日：2019-06-18
申请人： KURARAY CO., LTD. , GHEBREMESKEL, Ghebrehiwet
发明人： GHEBREMESKEL, Ghebrehiwet , KATO, Masaki , NEUFELD, Levi
IPC分类号： A01N25/04 , A01N25/00 , A01N37/46 , A01N47/24 , A01N51/00 , A01N43/50
摘要： The present invention relates generally to an aqueous seed coating composition based on a specific polyvinyl alcohol copolymer resin as a binder plus a hydrophobic pesticide additive, and seeds coated with such coating composition, which coated seeds have a desirable combination of bulk low dusting, bulk seed flowability and good germination characteristics.

3. 发明申请

WO2020047127A1 POLYVINYL ALCOHOL BASED LOST CIRCULATION MATERIALS 审中-公开
公开(公告)号：WO2020047127A1
公开(公告)日：2020-03-05
申请号：PCT/US2019/048610
申请日：2019-08-28
申请人： KURARAY CO., LTD. , GHEBREMESKEL, Ghebrehiwet
发明人： GHEBREMESKEL, Ghebrehiwet , KATO, Masaki , NEUFELD, Levi , SPELL, Brittany
IPC分类号： C09K8/508 , C09K8/516 , C08L29/04
摘要： Provided are particulate polyvinyl alcohol-based loss circulation control compositions for use in subterranean treatments, which are prepared by compacting a specified polyvinyl alcohol copolymer with an acid-soluble weighting agent, optionally with other specified additives and other polyvinyl alcohols.

4. 发明申请

WO2020047115A1 PARTICULATE POLYVINYL ALCOHOL COMPOSITIONS HAVING REDUCED DUST CONTENT 审中-公开
公开(公告)号：WO2020047115A1
公开(公告)日：2020-03-05
申请号：PCT/US2019/048595
申请日：2019-08-28
申请人： KURARAY CO., LTD. , GHEBREMESKEL, Ghebrehiwet
发明人： GHEBREMESKEL, Ghebrehiwet , KATO, Masaki , MORIKAWA, Keisuke , BATEHAM, Erik
IPC分类号： C09K8/508 , C09K8/516
摘要： Provided are low dust-content particulate polyvinyl alcohol-based compositions suitable for a variety of end uses including for use in subterranean treatments and for manufacturing chemical materials, which are prepared by compacting a specified polyvinyl alcohol polymer resins, optionally with specified additives and/or other polyvinyl alcohols.

5. 发明申请

WO2009010578A1 CARBOXY-MODIFIED POLYVINYL ALCOHOL AS CO-STABILIZER FOR PVC 审中-公开
标题翻译：碳氧化改性聚乙烯醇作为PVC稳定剂
公开(公告)号：WO2009010578A1
公开(公告)日：2009-01-22
申请号：PCT/EP2008/059432
申请日：2008-07-18
申请人： KURARAY EUROPE GMBH , KURARAY CO., LTD. , MICHEL, Samuel , FUSS, Robert W. , KATO, Masaki , NAKAMAE, Masato , TSUBOI, Akira
发明人： MICHEL, Samuel , FUSS, Robert W. , KATO, Masaki , NAKAMAE, Masato , TSUBOI, Akira
IPC分类号： C08L27/06
CPC分类号： C08J5/18 , C08J2327/06 , C08L27/06 , C08L29/04 , C08L33/062 , C08L2666/04
摘要： Use of a modified polyvinyl alcohol, obtained by copolymerization of at least on vinyl ester and at least one olefinically unsaturated carboxylic acid or the metal salt, anhydride or ester thereof and subsequent partial saponification of the copolymer as co-stabilizer in thermoplastic processable mixtures based on polyvinyl chloride, containing at least one metal ion stabilizer.
摘要翻译：使用通过至少在乙烯基酯和至少一种烯属不饱和羧酸或其金属盐，酸酐或酯上进行共聚而得到的改性聚乙烯醇，随后将该共聚物作为共稳定剂部分皂化作为热塑性可加工混合物，基于含有至少一种金属离子稳定剂的聚氯乙烯。

6. 发明申请

WO2009010579A1 POLYVINYL ALCOHOL AS CO-STABILIZER FOR PVC 审中-公开
标题翻译：聚乙烯醇作为PVC稳定剂
公开(公告)号：WO2009010579A1
公开(公告)日：2009-01-22
申请号：PCT/EP2008/059436
申请日：2008-07-18
申请人： KURARAY EUROPE GMBH , KURARAY CO., LTD. , MICHEL, Samuel , FUSS, Robert W. , KATO, Masaki , NAKAMAE, Masato, Dr. , TSUBOI, Akira
发明人： MICHEL, Samuel , FUSS, Robert W. , KATO, Masaki , NAKAMAE, Masato, Dr. , TSUBOI, Akira
IPC分类号： C08L27/06 , C08L29/04 , C08K5/04
CPC分类号： C08L27/06 , C08K5/098 , C08L29/04 , Y10T428/1307 , C08L2666/04
摘要： Thermoplastic processable PVC mixtures stabilised with a metal compound and a polyvinyl alcohol.
摘要翻译：用金属化合物和聚乙烯醇稳定的热塑性可加工PVC混合物。

7. 发明公开

EP3533831A1 POLYVINYL ALCOHOL COMPOSITION AND USES OF THE SAME 审中-公开
公开(公告)号：EP3533831A1
公开(公告)日：2019-09-04
申请号：EP19169278.9
申请日：2017-02-27
申请人： Kuraray Co., Ltd.
发明人： COLLINS, Michael , GHEBREMESKEL, Ghebrehiwet , KATO, Masaki , MORIKAWA, Keisuke , IMAOKA, Yoriko
IPC分类号： C08L29/04 , C08J3/12 , C08F8/12 , C08F18/08 , C08F16/06 , D21H17/36 , D21H19/60 , C08F118/08 , C08F218/08 , C08F220/14 , C08F216/06 , C09D129/04
摘要： The present invention relates generally to a polyvinyl alcohol composition having higher amorphous polyvinyl alcohol polymer content, a process for making such a polyvinyl alcohol composition, and various end uses thereof.

9. 发明公开

EP2292690A1 POLYVINYL CHLORIDE RESIN COMPOSITION AND METHOD FOR PRODUCING SAME 有权
标题翻译：聚氯乙烯树脂组合物及其制备方法
公开(公告)号：EP2292690A1
公开(公告)日：2011-03-09
申请号：EP09770111.4
申请日：2009-06-22
申请人： Kuraray Co., Ltd.
发明人： KATO, Masaki , TSUBOI, Akira , NAKAMAE, Masato
IPC分类号： C08L27/06 , C08K3/10 , C08K5/098 , C08L29/04
CPC分类号： C08L27/06 , C08K5/098 , C08K5/103 , C08L29/04
摘要： A polyvinyl chloride resin composition contains: from 0.005 to 5 parts by weight of a vinyl alcohol-based polymer having a degree of saponification of from 30 to 99. 9 mol%, having a viscosity average degree of polymerization of 1000 or less, and having a carboxyl group, a sulfonic acid group, or a salt thereof at a terminal; and from 0.01 to 5 parts by weight of a zinc compound, based on 100 parts by weight of a polyvinyl chloride resin. In addition, a polyvinyl chloride resin composition contains: from 0.005 to 5 parts by weight of a vinyl alcohol-based polymer having an alkyl group with a carbon number of 6 or more at a terminal, having a degree of saponification of from 30 to 99. 9 mol%, and having a viscosity average degree of polymerization of 1000 or less; and from 0.01 to 5 parts by weight of a zinc compound, based on 100 parts by weight of a polyvinyl chloride resin. A polyvinyl chloride resin composition is thereby provided which is excellent in thermal stability while being shaped and with which a less colored shaped article can be obtained.
摘要翻译：聚氯乙烯树脂组合物含有：0.005〜5重量份的皂化度为30〜99.9摩尔％，粘均聚合度为1000以下的乙烯醇系聚合物，末端羧基，磺酸基或其盐; 和基于100重量份聚氯乙烯树脂0.01至5重量份的锌化合物。另外，聚氯乙烯树脂组合物含有0.005〜5重量份的末端具有碳数为6以上的烷基的乙烯醇系聚合物，皂化度为30〜99 9摩尔％，粘均聚合度为1000以下，和基于100重量份聚氯乙烯树脂0.01至5重量份的锌化合物。由此提供一种聚氯乙烯树脂组合物，其在形状上具有优异的热稳定性并且可以获得较少着色的成形制品。

10. 发明公开

EP3088428A1 MODIFIED POLYVINYL ALCOHOL AND WATER-SOLUBLE FILM CONTAINING SAME 有权
标题翻译： MODIFIZIERTER POLYVINYLALKOHOL UNDWASSERLÖSLICHEFOLIE DAMIT
公开(公告)号：EP3088428A1
公开(公告)日：2016-11-02
申请号：EP14873745.5
申请日：2014-12-24
申请人： Kuraray Co., Ltd.
发明人： MORI, Yoko , KATO, Masaki
IPC分类号： C08F216/06 , C08F8/12 , C08F220/58 , C08F220/60
摘要： Modified polyvinyl alcohol contains a (meth)acrylamide monomer unit having an ionic group, wherein the modified polyvinyl alcohol has a degree of saponification of from 50 to 99.99 mol% and a viscosity-average degree of polymerization of from 200 to 5000 and satisfies formulae (1) to (3) below. The modified polyvinyl alcohol thus obtained is particularly excellent in dispersibility in water. 0.8 ≤ Mw UV / Mw RI ≤ 1.3 1 ≤ Mw UV / Mn UV ≤ 1 0.03 ≤ A 280 ≤ 0.5
摘要翻译：改性聚乙烯醇含有具有离子性基团的（甲基）丙烯酰胺单体单元，其中，改性聚乙烯醇的皂化度为50〜99.99摩尔％，粘均聚合度为200〜5000，满足式 1）〜（3）。由此得到的改性聚乙烯醇在水中的分散性特别优异。 0.8‰¤Mw UV / Mw RI‰1.3‰¤Mw UV / Mn UV‰¤1 0.03‰¤A 280‰¤0.5

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