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1. (WO2017174684) POLYVINYL ACETAL WITH REDUCED FLOWABILITY
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2017/174684 International Application No.: PCT/EP2017/058165
Publication Date: 12.10.2017 International Filing Date: 05.04.2017
IPC:
C08F 8/28 (2006.01)
Applicants: KURARAY EUROPE GMBH[DE/DE]; Phillip-Reis-Straße 4 65795 Hattersheim, DE
Inventors: STEUER, Martin; DE
WENZLIK, Daniel; DE
KUSUDO, Takeshi; DE
KELLER, Uwe; FR
Agent: KISTERS, Michael; DE
Priority Data:
16164401.808.04.2016EP
Title (EN) POLYVINYL ACETAL WITH REDUCED FLOWABILITY
(FR) ACÉTAL POLYVINYLIQUE AYANT UNE APTITUDE À L'ÉCOULEMENT RÉDUITE
Abstract: front page image
(EN) The invention is directed to a polyvinyl acetal with a degree of acetalization of 70 - 84 mol %, characterised by an molar ratio of the amount of continuous syndiotactic sequences of vinyl alcohol groups with 3 members of at least 0.152, based on the total amount of vinyl alcohol groups in the polyvinyl acetal.
(FR) L'invention concerne un acétal polyvinylique présentant un degré d'acétalisation de 70 à 84 % en moles, caractérisé par un rapport molaire de la quantité de séquences syndiotactiques continues de groupes d'alcool vinylique à 3 éléments d'au moins 0,152, par rapport à la quantité totale de groupes d'alcool vinylique présents dans l'acétal polyvinylique.
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, JP, 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: English (EN)
Filing Language: English (EN)