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Analysis

IPC=C07H
1 / 241
1.0002497800METHOD OF CATALYTIC CONVERSION OF CELLULOSE IN HEXITOLS
RU - 10.11.2013
Int.Class C07C 31/26
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
31Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
18Polyhydroxylic acyclic alcohols
26Hexahydroxylic alcohols
 Appl.No 2012143179/04 Applicant Inventor Филатова Анастасия Евгеньевна (RU)
FIELD: chemistry. SUBSTANCE: invention relates to field of processing renewable raw material (in particular, cellulose) into raw material for chemical synthesis and biofuels. Method of catalytic conversion of cellulose in hexitols includes carrying out process of hydrolytic hydration of cellulose for 3-7 minutes at temperature 240-250°C under partial pressure of hydrogen 55-65 atm and with mixing of reaction medium in presence of ruthenium catalyst, according to invention as substrate for ruthenium catalyst applied is hypercrosslinked polystyrene of MN 270 grade, and content of ruthenium in catalyst constitutes from 1.0 to 1.5 wt % of catalyst weight. Mixing of reaction mixture is realised by propeller mixer, numbers of turns of which constitutes 580-620 rev/min. EFFECT: increased method efficiency. 2 cl, 16 ex
2.1020020022641PROCESS FOR THE PREPARATION OF 1,5-DIDEOXY-1,5-IMINO HEXITOLS FROM OXIMES OR IMINES
KR - 27.03.2002
Int.Class C07D 211/36
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
211Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
04with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
06having no double bonds between ring members or between ring members and non-ring members
36with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
 Appl.No 1020017011513 Applicant MICHIGAN STATE UNIVERSITY Inventor HOLLINGSWORTH RAWLE I.

A process for the preparation of 1,5-dideoxy-1,5-imino hexitols of a hexose sugars from novel hydroxyl protected oxime intermediates. The process includes formation of a lactam which is reduced to the hexitol. The hexitols are useful as drugs.

© KIPO & WIPO 2007

3.20020068819Process for the preparation of 1,5-dideoxy-1, 5-imino hexitols from oximes or imines
US - 06.06.2002
Int.Class C07H 5/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
5Compounds containing saccharide radicals in which the hetero bonds to oxygen have been replaced by the same number of hetero bonds to halogen, nitrogen, sulfur, selenium, or tellurium
04to nitrogen
 Appl.No 09971233 Applicant Board of Trustees of Michigan State University Inventor Hollingsworth, Rawle I.

A process for the preparation of 1,5-dideoxy-1,5-imino hexitols of a hexose sugars from novel hydroxyl protected oxime intermediates. The process includes formation of a lactam which is reduced to the hexitol. The hexitols are useful as drugs.

4.WO/2007/106534SELECTIVE AMPLIFICATION OF MINORITY MUTATIONS USING PRIMER BLOCKING HIGH-AFFINITY OLIGONUCLEOTIDES
WO - 20.09.2007
Int.Class C12P 19/34
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
19Preparation of compounds containing saccharide radicals
26Preparation of nitrogen-containing carbohydrates
28N-glycosides
30Nucleotides
34Polynucleotides, e.g. nucleic acids, oligoribonucleotides
 Appl.No PCT/US2007/006442 Applicant HARBOR-UCLA RESEARCH AND EDUCATION INSTITUTE Inventor KOLODNEY, Michael, S.
In certain embodiments this invention pertains to methods of detecting and/or quantifying rare mutant nucleic acids in populations of nucleic acids in which the wild-type nucleic acids are in substantially greater abundance than the rare mutants. In various embodiments the methods utilize short high affinity oligonucleotides targeted to the wild type rather than the minority or mutant sequence. Rather than directly detecting mutant DNA, these probes block detection of wild type DNA. These 'blocker' probes can be used in combination with longer 'detection' probes or PCR primers to amplify and/or identify the minority mutation in, e.g., clinical specimens. The combination of short high affinity blocker probes and longer, lower affinity detection probes eliminates the single base specificity/complexity tradeoff in the design of nucleic acid probes.
5.1020140066987METHOD 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
6.104428274Production method for anhydro sugar alcohol having markedly reduced ion content and improved colour characteristics
CN - 18.03.2015
Int.Class C07C 29/08
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
29Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
03by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2
04by hydration of carbon-to-carbon double bonds
05with formation of absorption products in mineral acids and their hydrolysis
08the acid being phosphoric acid
 Appl.No 201380024022.5 Applicant 株式会社三养社 Inventor 郑英在
The present invention relates to a production method for an anhydro sugar alcohol having a markedly reduced ion content and improved colour characteristics, and, more specifically, relates to a method for producing an anhydrous sugar alcohol having a markedly reduced ion content, markedly lowered electrical conductivity and improved colour characteristics, which is obtained by subjecting hydrogenated sugar (sugar alcohol) to a dehydration reaction and thereby converting same to an anhydrous sugar alcohol and then subjecting distilled water, which has been isolated through a distillation step, to a decolourizing process using activated carbon, and subsequently bringing the resulting decolourized substance into contact with an ion exchange resin.
7.104470880Method for preparing high purity anhydrosugar alcohols by thin film distillation
CN - 25.03.2015
Int.Class C07C 29/80
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
29Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
74Separation; Purification; Stabilisation; Use of additives
76by physical treatment
80by distillation
 Appl.No 201380024324.2 Applicant SAMYANG GENEX CORPORATION Inventor KYUNG DO-HYUN
The present invention relates to a method for preparing high purity anhydrosugar alcohols using hydrogenated sugar, and more specifically, to a method for preparing high purity anhydrosugar alcohols (particularly, isosorbide, isomannide, isoidide, and the like) with a purity of 97.5% or higher (more preferably, 98.5% or higher) and a pH of a distillate of 3.7 or higher (more preferably, 4.0 or higher) in a distillation yield of 87% or higher (more preferably, 90% or higher) by adding an acid to hexitol so as to convert the same into anhydrosugar alcohols, and single-stage distilling the converted product by using an internal condenser type thin film evaporator.
8.1020130126244PRODUCTION METHOD OF ANHYDROUS SUGAR ALCOHOL HAVING REMARKABLY REDUCED ION CONTENTS AND IMPROVED COLOR CHARACTERISTIC
KR - 20.11.2013
Int.Class C07C 29/08
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
29Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
03by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2
04by hydration of carbon-to-carbon double bonds
05with formation of absorption products in mineral acids and their hydrolysis
08the acid being phosphoric acid
 Appl.No 1020120050188 Applicant SAMYANG GENEX CORPORATION Inventor JUNG, YOUNG JAE
The present invention relates to a production method of anhydrous sugar alcohol having remarkably reduced ion contents and improved color characteristic, more specifically to a production method of the anhydrous sugar alcohol having remarkably reduced ion contents and conductivity, and improved color characteristic by dehydrating hydrogenated sugar ​(sugar alcohol) to obtain the anhydrous sugar alcohol, distilling the anhydrous sugar alcohol before decolorizing the distilled product with activated charcoal, and contacting the decolorized product with an ion exchange resin. COPYRIGHT KIPO 2014 >
9.1020130126303MANUFACTURING METHOD FOR HIGH PURITY ANHYDROSUGAR ALCOHOLS BY THIN FILM EVAPORATION
KR - 20.11.2013
Int.Class C07C 29/80
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
29Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
74Separation; Purification; Stabilisation; Use of additives
76by physical treatment
80by distillation
 Appl.No 1020120050316 Applicant SAMYANG GENEX CORPORATION Inventor KYUNG, DO HYUN
The invention relates to a manufacturing method for high purity anhydrosugar alcohols using hydrogenated sugar as raw materials and, more specifically, to a method for manufacturing high purity anhydrosugar alcohols (especially, isosorbide, isomannide, isoidide etc) with a purity of more than 97.5% (preferably, more than 98.5%) and a pH of a distillate of more than 3.7 (preferably, more than 4.0) in a distillation yield of more than 87% (preferably, more than 90%) by adding an acid to hexitol so as to convert the same into anhydrosugar alcohols, and single-stage distilling the converted products by using an internal condenser type thin film evaporator. COPYRIGHT KIPO 2014
10.2848603METHOD FOR PREPARING HIGH PURITY ANHYDROSUGAR ALCOHOLS BY THIN FILM DISTILLATION
EP - 18.03.2015
Int.Class C07C 29/80
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
29Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
74Separation; Purification; Stabilisation; Use of additives
76by physical treatment
80by distillation
 Appl.No 13787187 Applicant SAMYANG CORP Inventor KYUNG DO HYUN
The present invention relates to a method for preparing high purity anhydrosugar alcohols using hydrogenated sugar, and more specifically, to a method for preparing high purity anhydrosugar alcohols (particularly, isosorbide, isomannide, isoidide, and the like) with a purity of 97.5% or higher (more preferably, 98.5% or higher) and a pH of a distillate of 3.7 or higher (more preferably, 4.0 or higher) in a distillation yield of 87% or higher (more preferably, 90% or higher) by adding an acid to hexitol so as to convert the same into anhydrosugar alcohols, and single-stage distilling the converted product by using an internal condenser type thin film evaporator.
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