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1. (WO2017034293) METHOD FOR PREPARING CELLULOSE ETHER
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2017/034293 International Application No.: PCT/KR2016/009305
Publication Date: 02.03.2017 International Filing Date: 23.08.2016
IPC:
C08B 11/00 (2006.01) ,C08B 11/08 (2006.01) ,C09D 101/26 (2006.01) ,C08B 11/12 (2006.01) ,A61K 47/38 (2006.01) ,C08B 11/20 (2006.01)
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
B
POLYSACCHARIDES; DERIVATIVES THEREOF
11
Preparation of cellulose ethers
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
B
POLYSACCHARIDES; DERIVATIVES THEREOF
11
Preparation of cellulose ethers
02
Alkyl or cycloalkyl ethers
04
with substituted hydrocarbon radicals
08
with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
D
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
101
Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
08
Cellulose derivatives
26
Cellulose ethers
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
B
POLYSACCHARIDES; DERIVATIVES THEREOF
11
Preparation of cellulose ethers
02
Alkyl or cycloalkyl ethers
04
with substituted hydrocarbon radicals
10
substituted with acid radicals
12
substituted with carboxylic radicals
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
K
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
47
Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives
30
Macromolecular compounds
36
Polysaccharides; Derivatives thereof
38
Cellulose; Derivatives thereof
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
B
POLYSACCHARIDES; DERIVATIVES THEREOF
11
Preparation of cellulose ethers
20
Post-etherification treatments, including purification
Applicants:
롯데정밀화학 주식회사 LOTTE FINE CHEMICAL CO., LTD. [KR/KR]; 울산시 남구 여천로217번길 19 19, Yeocheon-ro 217beon-gil Nam-gu Ulsan 44714, KR
Inventors:
차재욱 CHA, Jae Uk; KR
배명훈 BAE, Myung Hoon; KR
손진열 SON, Jin Ryul; KR
Agent:
특허법인 티앤아이 TNI IP LAW FIRM; 서울시 송파구 법원로 114 엠스테이트 A동 1201호 Mstate A-1201, Beobwon-ro 114 Songpa-gu Seoul 05854, KR
Priority Data:
10-2015-012118927.08.2015KR
Title (EN) METHOD FOR PREPARING CELLULOSE ETHER
(FR) PROCÉDÉ DE PRÉPARATION D'ÉTHER DE CELLULOSE
(KO) 셀룰로오스 에테르의 제조 방법
Abstract:
(EN) According to one aspect of the present invention, a method for preparing a cellulose ether provides the steps of: setting the target gel point of a cellulose ether; selecting a cellulose ether material having a viscosity corresponding to the target gel point; and hydrolyzing the cellulose ether material.
(FR) Selon un aspect de la présente invention, un procédé de préparation d'un éther de cellulose comprend les étapes consistant à : régler le point de gel cible d'un éther de cellulose ; sélectionner un matériau à base d'éther de cellulose présentant une viscosité correspondant au point de gel cible ; et hydrolyser le matériau à base d'éther de cellulose.
(KO) 본 발명의 일 측면에 따른 셀룰로오스 에테르의 제조 방법은, 셀룰로오스 에테르의 목표 겔 포인트(gel point)를 설정하는 단계, 상기 목표 겔 포인트에 대응하는 점도를 갖는 원료 셀룰로오스 에테르를 선택하는 단계 및 상기 원료 셀룰로오스 에테르를 가수 분해하는 단계를 제공한다.
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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, 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, KN, KP, 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: Korean (KO)
Filing Language: Korean (KO)