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1. 发明公开

EP3815714A1 COATING COMPOSITION, ORAL SOLID PREPARATION AND METHOD FOR PRODUCING SAME 有权
公开(公告)号：EP3815714A1
公开(公告)日：2021-05-05
申请号：EP19824518.5
申请日：2019-06-24
申请人： Japan Vam & Poval Co., Ltd.
发明人： KAWADA, Shotaro , KAWANISHI, Masatoshi
IPC分类号： A61K47/04 , A61K9/14 , A61K9/30 , A61K9/36 , A61K47/14 , A61K47/26 , A61K47/32
摘要： Provided is a novel coating composition for oral solid preparations. The coating composition for oral solid preparations comprises a polyvinyl alcohol-based polymer (a), a fatty acid ester of a polyol having 3 or more hydroxy groups (b), and talc (c),
wherein the fatty acid ester of a polyol having 3 or more hydroxy groups (b) has a hydrophilic lipophilic balance (HLB) value of 4.0 or more;
wherein the fatty acid ester of a polyol having 3 or more hydroxy groups (b) has 12 to 22 carbon atoms per fatty acid ester unit; and
wherein the talc (c) is present at 50% by mass or less of the whole composition.

2. 发明公开

EP3059266A1 METHOD OF PRODUCING POLYVINYL ALCOHOL RESIN, AND POLYVINYL ALCOHOL RESIN OBTAINED THEREBY 有权
标题翻译： VERFAHREN ZUR HERSTELLUNG EINES POLYVINYLALKOHOLHARZES UND SO HERGESTELLTES POLYVINYLALKOHOLHARZ
公开(公告)号：EP3059266A1
公开(公告)日：2016-08-24
申请号：EP14854506.4
申请日：2014-09-10
申请人： Japan Vam & Poval Co., Ltd.
发明人： OHARUDA, Akinobu , KAWANISHI, Masatoshi
IPC分类号： C08F216/06 , B41M5/00 , B41M5/337 , B41M5/50 , B41M5/52 , C08F8/12 , C08F218/08 , C08L29/04 , C09D129/04
摘要： Provided are a method for producing a polyvinyl alcohol resin which is highly transparent in the form of an aqueous solution, has a good appearance when formed into a film or an aqueous gel, and improves ink acceptability and color appearance and exhibits water resistance when used for a thermal recording material or an ink-jet recording material; and a polyvinyl alcohol resin obtained by the method. In particular, provided is a method for producing a polyvinyl alcohol resin, comprising the steps of copolymerizing an aliphatic vinyl ester (A) with diacetone acrylamide (B), at least a part of which diacetone acrylamide (B) is added at a later stage, in the presence of a polymerization catalyst in an alcohol solvent, so that the ratio (a)/(b) of the polymerization yield at the end of the polymerization (a) to the polymerization yield at the end of the later addition (b) of diacetone acrylamide (B) is in the range of 1.01 to 1.10, and saponifying the resulting copolymer.
摘要翻译：提供一种以水溶液形式高度透明的聚乙烯醇树脂的制造方法，当形成膜或水性凝胶时具有良好的外观，并且改善油墨可接受性和颜色外观，并且当用于热敏记录材料或喷墨记录材料; 和通过该方法得到的聚乙烯醇树脂。特别是提供一种聚乙烯醇树脂的制造方法，其特征在于，包括使脂肪族乙烯基酯（A）与双丙酮丙烯酰胺（B）共聚的步骤，其中至少一部分在以后阶段加入双丙酮丙烯酰胺（B）在醇溶剂中存在聚合催化剂的情况下，聚合结束时的聚合产率（a）/（b）（a）与后期添加结束时的聚合收率（b ）双丙酮丙烯酰胺（B）的范围为1.01〜1.10，皂化所得共聚物。

3. 发明公开

EP3811975A1 COATING COMPOSITION, ORAL SOLID PREPARATION AND METHOD FOR PRODUCING SAME 审中-实审
公开(公告)号：EP3811975A1
公开(公告)日：2021-04-28
申请号：EP19826275.0
申请日：2019-06-24
申请人： Japan Vam & Poval Co., Ltd.
发明人： KAWADA, Shotaro , KAWANISHI, Masatoshi
IPC分类号： A61K47/04 , A61K9/16 , A61K9/30 , A61K9/36 , A61K47/14 , A61K47/26 , A61K47/32
摘要： Provided is a novel coating composition for oral solid preparations. The coating composition for oral solid preparations comprises a polyvinyl alcohol-based polymer (a), a water-swellable clay mineral (b), and a fatty acid ester of a polyol having 3 or more hydroxy groups (c),
wherein the polyvinyl alcohol-based polymer (a) and the water-swellable clay mineral (b) are present at a mass ratio of 98:2 to 65:35 in the coating composition.

4. 发明公开

EP3881838A1 BONDING AGENT 审中-实审
公开(公告)号：EP3881838A1
公开(公告)日：2021-09-22
申请号：EP19883499.6
申请日：2019-11-13
申请人： Japan Vam & Poval Co., Ltd.
发明人： KAWADA, Shotaro , KAWANISHI, Masatoshi
IPC分类号： A61K31/167 , A61P25/04 , A61K9/14 , A61K9/20 , A61K9/32 , A61K47/32
摘要： A novel binder is provided. The binder comprises a polyvinyl alcohol-based polymer which has an average saponification value of 85.0 mol% to 89.0 mol% as measured according to JIS K6726 and meets requirement (A): a fluid prepared by adding 130.0 mL of 1-propanol to 100.0 g of a 5.0% by mass aqueous solution of the polyvinyl alcohol-based polymer has a transparency of 80.0% or less at 20°C; and/or requirement (B) : a supernatant from a fluid prepared by adding 230.0 mL of 1-propanol to 100.0 g of a 5.0% by mass aqueous solution of the polyvinyl alcohol-based polymer has a concentration of 0.65% by mass or more at 20°C.

5. 发明公开

EP2644403A1 METHOD FOR PRODUCING INKJET RECORDING MATERIAL 有权
标题翻译： VERFAHREN ZUR HERSTELLUNG EINES TINTENSTRAHLAUFZEICHNUNGSMATERIALS
公开(公告)号：EP2644403A1
公开(公告)日：2013-10-02
申请号：EP11843489.3
申请日：2011-10-19
申请人： Japan Vam & Poval Co., Ltd.
发明人： KAWANISHI, Masatoshi , OHARUDA, Akinobu
IPC分类号： B41M5/00 , B05D5/04 , B41M5/50 , B41M5/52
CPC分类号： B41M5/5254 , B41M5/5218
摘要： Provided is a method for producing an inkjet recording material, the method comprising the steps of mixing an aqueous solution of a saponified vinyl acetate-diacetone acrylamide copolymer with a crosslinking agent to give a liquid mixture (a) ; adding a water-soluble basic compound to the liquid mixture (a) after a lapse of at least 30 minutes to give another liquid mixture (b); and mixing the obtained liquid mixture (b) with porous inorganic fine particles to give an ink receiving layer coating liquid and applying the coating liquid to a support, the inkjet recording material being characterized in that the ink receiving layer comprises the porous inorganic fine particles, the saponified vinyl acetate-diacetone acrylamide copolymer, and the crosslinking agent.
摘要翻译：提供一种喷墨记录材料的制造方法，其特征在于，包括以下步骤：将皂化的乙酸乙烯酯 - 双丙酮丙烯酰胺共聚物的水溶液与交联剂混合，得到液体混合物（a）; 在经过至少30分钟后向液体混合物（a）中加入水溶性碱性化合物，得到另一种液体混合物（b）; 将得到的液体混合物（b）与多孔无机细颗粒混合，得到油墨接收层涂布液，将涂布液涂布在支持体上，其特征在于，油墨接收层包含多孔无机微粒，皂化乙酸乙烯酯 - 双丙酮丙烯酰胺共聚物和交联剂。

6. 发明公开

EP3881839A1 BONDING AGENT 审中-实审
公开(公告)号：EP3881839A1
公开(公告)日：2021-09-22
申请号：EP19885169.3
申请日：2019-11-13
申请人： Japan Vam & Poval Co., Ltd.
发明人： KAWADA, Shotaro , KAWANISHI, Masatoshi
IPC分类号： A61K31/167 , A61P25/04 , A61K9/14 , A61K9/20 , A61K9/32 , A61K47/32
摘要： A novel binder is provided. The binder comprises a polyvinyl alcohol-based polymer which has an average saponification value of 85.0 mol% to 89.0 mol% as measured according to JIS K6726 and meets requirement (A) : based on data obtained by measurement of the polyvinyl alcohol-based polymer by liquid chromatography, a value represented by formula (3) shown below is 22 or more,
wherein the measurement is performed with a liquid chromatography system equipped with a charged aerosol detector and a Thermo Scientific Acclaim™ 300 column (catalog number: 060266, carbon load: 8%, maximum pressure: 4500 psi, particle size: 3 µm, pore size: 300 Å, stationary phase: C18, surface area: 100 m 2 /g, length: 150 mm, diameter: 4.6 mm, pH: 2.5 to 7.5, material: glass lined tubing) under the measurement conditions described below,
wherein the data represent a baseline-normalized intensity over a retention time of 5.0 to 12.0 minutes at a sampling interval of 500 ms, and
wherein the value represented by formula (3) is calculated from formulae (1) and (2) shown below, wherein the intensity at a retention time T i [min] is represented by P i [pA] .
Measurement conditions
- Concentration of an aqueous polyvinyl alcohol-based polymer solution: 0.1% by mass
- Injection volume of the aqueous polyvinyl alcohol-based polymer solution: 2 µL
- Column temperature: 50°C
- Flow rate: 1.0 mL/min
- Eluent: a mixed solvent of water and methanol
- Eluent gradient conditions: the ratio of water and methanol in the eluent changes from 95:5 to 15:85 at a constant rate over a run time from minutes 0 to 10; and the ratio of water and methanol in the eluent is constant at 15:85 over a run time from minutes 10 to 15.

Formulae T n = Σ T i × P i / Σ P i T w = Σ T i 2 × P i / Σ T i × P i T w /T n − 1 × 1000

7. 发明授权

EP3059266B1 METHOD OF PRODUCING POLYVINYL ALCOHOL RESIN, AND POLYVINYL ALCOHOL RESIN OBTAINED THEREBY 有权
公开(公告)号：EP3059266B1
公开(公告)日：2020-10-21
申请号：EP14854506.4
申请日：2014-09-10
申请人： Japan Vam & Poval Co., Ltd.
发明人： OHARUDA, Akinobu , KAWANISHI, Masatoshi
IPC分类号： C08F216/06 , B41M5/00 , B41M5/337 , B41M5/50 , B41M5/52 , C08F8/12 , C08F218/08 , C08L29/04 , C09D129/04 , C08J5/18 , D21H19/60

8. 发明授权

EP2644403B1 METHOD FOR PRODUCING INKJET RECORDING MATERIAL 有权
标题翻译：用于生产喷墨记录材料
公开(公告)号：EP2644403B1
公开(公告)日：2016-10-05
申请号：EP11843489.3
申请日：2011-10-19
申请人： Japan Vam & Poval Co., Ltd.
发明人： KAWANISHI, Masatoshi , OHARUDA, Akinobu
IPC分类号： B41M5/00 , B05D5/04 , B41M5/50 , B41M5/52
CPC分类号： B41M5/5254 , B41M5/5218

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