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1. (WO2018043532) METHOD FOR PRODUCING WATER-INSOLUBLE POWDER DISPERSION, WATER-INSOLUBLE POWDER DISPERSION, AND FILM-LIKE MOULDED BODY
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Pub. No.: WO/2018/043532 International Application No.: PCT/JP2017/031078
Publication Date: 08.03.2018 International Filing Date: 30.08.2017
IPC:
C08B 37/08 (2006.01) ,A61K 8/34 (2006.01) ,A61K 8/73 (2006.01) ,A61Q 19/00 (2006.01) ,C08B 13/00 (2006.01) ,C08B 37/04 (2006.01)
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
B
POLYSACCHARIDES; DERIVATIVES THEREOF
37
Preparation of polysaccharides not provided for in groups C08B1/-C08B35/110; Derivatives thereof
08
Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
K
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8
Cosmetics or similar toilet preparations
18
characterised by the composition
30
containing organic compounds
33
containing oxygen
34
Alcohols
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
K
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8
Cosmetics or similar toilet preparations
18
characterised by the composition
72
containing organic macromolecular compounds
73
Polysaccharides
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
Q
SPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
19
Preparations for care of the skin
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
B
POLYSACCHARIDES; DERIVATIVES THEREOF
13
Preparation of cellulose ether-esters
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
B
POLYSACCHARIDES; DERIVATIVES THEREOF
37
Preparation of polysaccharides not provided for in groups C08B1/-C08B35/110; Derivatives thereof
04
Alginic acid; Derivatives thereof
Applicants: DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.[JP/JP]; 7-6, Nihonbashi Bakuro-cho 1-chome, Chuo-ku, Tokyo 1038383, JP
Inventors: ISONO Yasuyuki; JP
NOISHIKI Yasuharu; JP
Agent: KONDO Rieko; JP
SUGANO Shigeyoshi; JP
OKADA Kaoru; JP
TAKEYAMA Keita; JP
Priority Data:
2016-16748930.08.2016JP
Title (EN) METHOD FOR PRODUCING WATER-INSOLUBLE POWDER DISPERSION, WATER-INSOLUBLE POWDER DISPERSION, AND FILM-LIKE MOULDED BODY
(FR) DISPERSION LIQUIDE DE POUDRE NON SOLUBLE DANS L’EAU AINSI QUE PROCÉDÉ DE FABRICATION DE CELLE-CI, ET CORPS MOULÉ SOUS FORME DE FILM
(JA) 水不溶性粉末分散液の製造方法、水不溶性粉末分散液、及び膜状成形体
Abstract:
(EN) Provided is a method for producing a water-insoluble powder dispersion which maintains the inherent properties of a polyanionic polysaccharide used as a starting material thereof, exhibits high safety due to not needing a chemical crosslinking agent to be used during the production thereof, and is useful as a base material for medical and cosmetic materials or the like which can indwell evenly in an affected site. The method for producing the water-insoluble powder dispersion is provided with: a step in which a starting material powder comprising a water-soluble salt of a polyanionic polysaccharide is treated with a treatment liquid including an acid anhydride, to make the starting material powder water-insoluble and obtain a water-insoluble powder; and a step in which the water-insoluble powder is ground to an average particle size of 80 µm or lower, and dispersed in an aqueous solvent to obtain the water-insoluble powder dispersion.
(FR) L’invention fournit un procédé de fabrication de dispersion liquide de poudre non soluble dans l’eau dans l’eau dans lequel les caractéristiques d’origine d’un polysaccharide anionique constituant une matière première sont préservées, et simultanément la mise en œuvre lors de la fabrication d’un agent de réticulation chimique n’étant pas nécessaire, la sécurité est accrue, et qui est avantageux en tant que matériau de base pour un produit médical / produit de beauté, ou similaire, permettant une rétention de manière uniforme dans une zone affectée. Le procédé de fabrication de dispersion liquide de poudre non soluble dans l’eau de l’invention présente : une étape au cours de laquelle une poudre de matière première constituée d’un sel soluble dans l’eau de polysaccharide anionique, est traitée au moyen d’un liquide de traitement contenant un anhydride acide, afin d’être rendue non soluble dans l’eau et d’obtenir une poudre non soluble dans l’eau ; et une étape au cours de laquelle la poudre non soluble dans l’eau est broyée à un diamètre particulaire moyen inférieur ou égal à 80μm, et dispersée dans un solvant aqueux, permettant ainsi d’obtenir une dispersion liquide de poudre non soluble dans l’eau.
(JA) 原料であるポリアニオン性多糖類本来の特性が保持されているとともに、製造時に化学架橋剤を用いる必要がないため安全性が高く、患部に均等に留置させることが可能な医療用・美容材料等の基材として有用な水不溶性粉末分散液の製造方法を提供する。ポリアニオン性多糖類の水溶性塩からなる原料粉末を、酸無水物を含む処理液で処理し、原料粉末を水不溶化させて水不溶性粉末を得る工程と、水不溶性粉末を平均粒子径80μm以下に粉砕し、水系溶媒中に分散させて水不溶性粉末分散液を得る工程と、を有する水不溶性粉末分散液の製造方法である。
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)