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Analysis

PUBLICATION_DATE=2014
1 / 155
1.2014515395無水糖アルコールの製造方法
JP - 30.06.2014
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 2014513410 Applicant サムヤン　ジェネックス　コーポレイション Inventor リュ，フン

【課題】本発明は、デンプンから由来のソルビトール、マンニトールなどのヘキシトールを用いて、無水糖アルコールを製造する方法である。
【解決手段】無水糖アルコールは、分子内にヒドロキシ基が２つのジオール形態であり、プラスチック産業で主に使用できる物理的特性改良剤として利用価値が非常に高い。代表的な無水糖アルコールは、イソソルビド、イソマンニドなどがある。このような無水糖アルコールは、ＰＥＴ、ポリエステル、ポリカーボネートなどのガラス転移温度を上げることができ、強度を改善でき、生分解性の環境に優しい素材であり、バイオプラスチックの主要な素材として利用価値が高い。
【選択図】なし

2.20140088315Method for preparation of anhydrosugar alcohols
US - 27.03.2014
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 14122512 Applicant Hoon Ryu Inventor Hoon Ryu

A method is provided for the preparation of anhydrosugar alcohols. The method involves dehydration of a hexitol with a mixed acid of a first acid and second acid, in which the first acid is sulfuric acid and the second acid is at least one sulfur-containing acid or sulfur-containing acid salt selected from the group consisting of p-toluenesulfonic acid, methanesulfonic acid, ethanesulfonic acid, benzenesulfonic acid, naphthalenesulfonic acid and aluminum sulfate. Also provided are methods for purification of the resulting product.

3.103649095Method for preparation of anhydrosugar alcohols
CN - 19.03.2014
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 201180071366.2 Applicant 株式会社三养吉尼克斯 Inventor 柳熏
Disclosed is a method for the preparation of an anhydrosugar alcohol using a starch-derived hexitol such as sorbitol or mannitol. Anhydrosugar alcohol is in the form of a diol having two hydroxyl groups in the molecule thereof and has a very high utility value as a physical property modifier which can be used primarily in plastics. Representative examples of anhydrosugar alcohols include isosorbide and isomannide. These anhydrosugar alcohols are capable of increasing a glass transition temperature of and improving strength of PET, polyesters, polycarbonates, etc., and are therefore highly valuable as biodegradable environmentally-friendly bioplastics.
4.1020140066987METHOD FOR PREPARING HIGH PURITY ANHYDROSUGAR ALCOHOLS WITH IMPROVED FLOWABILITY OF DISTILLATION RESIDUE
KR - 03.06.2014
Int.Class C07B 63/00
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
63Purification; Separation specially adapted for the purpose of recovering organic compounds; Stabilisation; Use of additives
 Appl.No 1020140060098 Applicant SAMYANG GENEX CORPORATION Inventor 류훈
The present invention relates to a technique for preparing an anhydrosugar alcohol using hydrogenated sugar as a raw material and, more specifically, to a method for preparing an anhydrosugar alcohol by adding an acid to hydrogenated sugar (for example, hexitol) to convert to anhydrosugar alcohol and distilling the resultant solution after the converting reaction by a thin film distiller, to a technique for preparing high purity anhydrosugar alcohols with low costs and high efficiency by improving distillation yield and subsequent purification efficiency, by putting an anti-foaming agent to a distillation residue discharge line during distillation thereby improving flowability of the distillation residues. COPYRIGHT KIPO 2014
5.1020140105183METHOD OF PREPARING ANHYDROSUGAR ALCOHOL USING SCREW-TYPE CONTINUOUS REACTOR
KR - 01.09.2014
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 1020130019104 Applicant SAMYANG GENEX CORPORATION Inventor 류훈
The present invention relates to a method of preparing anhydrosugar alcohol using a screw-type continuous reactor, and more specifically, to a method of preparing anhydrosugar alcohol in which a screw-type continuous reactor containing one or more partition walls is used to carry out a reaction when performing a step of dehydrating hydrogenated sugar to be converted into anhydrosugar alcohol, thereby having many advantages of increasing conversion rate, work stability and quality uniformity of a reaction result solution, decreasing the size of a reactor in comparison to a batch operation, being easy to work, easily setting the step by step temperatures in comparison to a continuous operation using multiple reactors, reducing relevant costs due to easy installation, allowing maintenance work to carry out, etc. COPYRIGHT KIPO 2014
6.1020140105185METHOD FOR PREPARING ANHYDROSUGAR ALCOHOL WITH REDUCED FORMATION OF POLYMERIC REACTION BYPRODUCTS
KR - 01.09.2014
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 1020130019106 Applicant SAMYANG GENEX CORPORATION Inventor 류훈
The present invention relates to a method for preparing anhydrosugar alcohol with reduced formation of polymeric reaction byproducts, and more specifically, to a method for preparing anhydrosugar alcohol capable of reducing the formation of polymeric reaction byproducts to obtain an objective of high yield without influencing total process efficiency, providing excellent process improving effect, which can improve fluidity of a reaction solution in a post-distillation process, and being applied to a process of preparing a large quantity of anhydrosugar alcohol by: carrying out a first reaction under the condition of maximizing the yield of mono-anhydrosugar alcohol, which is an intermediate, in performing a step of dehydrating hydrogenated sugar to be converted into anhydrosugar alcohol; ending the first reaction by putting a neutralizing agent; and then preparing di-anhydrosugar alcohol by additionally putting a catalyst. COPYRIGHT KIPO 2014
7.1020140105190METHOD FOR PREPARING HIGHLY TRANSPARENT ANHYDROSUGAR ALCOHOLS HAVING IMPROVED PRODUCTION EFFICIENCY THROUGH PROCESS SIMPLIFICATION
KR - 01.09.2014
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 1020130019111 Applicant SAMYANG GENEX CORPORATION Inventor 류훈
The present invention relates to a method for preparing highly transparent anhydrosugar alcohols having improved production efficiency through process simplification, and more specifically, in contrast with an existing method that dehydrates a hydrogenated sugar, transforms the same into anhydrous sugar alcohols, and conducts a series of processes including solvent crystallization and subsequent refining, to a method of preparing anhydrosugar alcohols having a final purity of at least 97% and high transparency at low cost, with higher efficiency, and in an environmentally friendly way without a crystallization step that uses an organic solvent, by dissolving a distilled material which distils an output of a conversion step to water, and purifying the same. COPYRIGHT KIPO 2014
8.1020140108625PREPARATION METHOD OF ANHYDROSUGAR ALCOHOL
KR - 12.09.2014
Int.Class C07C 31/18
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
31Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
18Polyhydroxylic acyclic alcohols
 Appl.No 1020140108844 Applicant SAMYANG GENEX CORPORATION Inventor 류훈
The present invention relates to a method for manufacturing anhydrosugar alcohol and, more specifically, to a method for manufacturing anhydrosugar alcohol with greater ion content, pH, conductivity and color properties at low costs and high efficiency while maintaining 99% purity thereof, by consecutively performing a series of processes; distilling; crystallizing; decoloring ;and processing ion exchanging resin after anhydrosugar alcohol is converted via the dehydration reaction of hydrogenated sugar. COPYRIGHT KIPO 2014
9.1020140105188METHOD FOR PRODUCING HIGH-PURITY ANHYDROSUGAR ALCOHOLS COMPRISING SINGLE DISTILLATION STEP ADOPTING COLUMN DISTILLATION FOLLOWING THIN FILM DISTILLATION
KR - 01.09.2014
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 1020130019109 Applicant SAMYANG GENEX CORPORATION Inventor 류훈
The present invention relates to a technique for producing an anhydrosugar alcohol using a hydrogenated sugar as a raw material and, more specifically, to a low-cost, highly efficient technique for producing a high-purity anhydrosugar alcohol (in particular, isosorbide, isomannide, isoidide, etc.) having a purity of at least 99% by adding an acid to hydrogenated sugar (i.e. hexitol) to convert the same to an anhydrosugar alcohol, then distilling the resulting converted liquid in a single distillation step which adopts column distillation following thin-film distillation. COPYRIGHT KIPO 2014
10.1020140105184METHOD FOR PRODUCING ANHYDROSUGAR ALCOHOL THROUGH CONTINUOUS DEHYDRATION REACTION OF HYDROGENATED SUGAR
KR - 01.09.2014
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 1020130019105 Applicant SAMYANG GENEX CORPORATION Inventor 류훈
The present invention relates to a method for producing anhydrosugar alcohol and, more specifically, to a method for producing anhydrosugar alcohol which, when a step of subjecting hydrogenated sugar to a dehydration reaction in a reactor so as to convert same to the anhydrosugar alcohol is performed, allows the hydrogenated sugar to be continuously introduced into the reactor and the produced anhydrosugar alcohol to be continuously discharged out of the reactor while the dehydration reaction is carried out; and also prevents a reaction mixture from circulating inside and outside the reactor while the dehydration reaction is carried out, thereby can significantly improve production efficiency compared with a conventional process adopting a batch or semi-batch type dehydration reaction and thus can be appropriately applied particularly to a large-scale anhydrosugar alcohol production process. COPYRIGHT KIPO 2014
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