MX2022010355A - Purificacion de sacaridos. - Google Patents

Purificacion de sacaridos.

Info

Publication number
MX2022010355A
MX2022010355A MX2022010355A MX2022010355A MX2022010355A MX 2022010355 A MX2022010355 A MX 2022010355A MX 2022010355 A MX2022010355 A MX 2022010355A MX 2022010355 A MX2022010355 A MX 2022010355A MX 2022010355 A MX2022010355 A MX 2022010355A
Authority
MX
Mexico
Prior art keywords
saccharides
purification
ufdf
diafiltration
ultrafiltration
Prior art date
Application number
MX2022010355A
Other languages
English (en)
Inventor
Wei Chen
Justin Keith Moran
Nishith Merchant
Ling Chu
Original Assignee
Pfizer
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pfizer filed Critical Pfizer
Publication of MX2022010355A publication Critical patent/MX2022010355A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0003—General processes for their isolation or fractionation, e.g. purification or extraction from biomass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B01D61/146—Ultrafiltration comprising multiple ultrafiltration steps
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Abstract

La presente invención se relaciona con los métodos para purificar polisacáridos bacterianos, en particular para retirar impurezas de lisados celulares de las bacterias que producen los polisacáridos.
MX2022010355A 2020-02-21 2021-02-17 Purificacion de sacaridos. MX2022010355A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202062980134P 2020-02-21 2020-02-21
US202063068338P 2020-08-20 2020-08-20
US202163143795P 2021-01-30 2021-01-30
PCT/IB2021/051330 WO2021165847A1 (en) 2020-02-21 2021-02-17 Purification of saccharides

Publications (1)

Publication Number Publication Date
MX2022010355A true MX2022010355A (es) 2022-09-21

Family

ID=74867574

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022010355A MX2022010355A (es) 2020-02-21 2021-02-17 Purificacion de sacaridos.

Country Status (11)

Country Link
US (1) US20230085173A1 (es)
EP (1) EP4107192A1 (es)
JP (1) JP2021132644A (es)
KR (1) KR20220144393A (es)
CN (1) CN115362177A (es)
AU (1) AU2021224078B2 (es)
BR (1) BR112022015796A2 (es)
CA (1) CA3171864A1 (es)
IL (1) IL295713A (es)
MX (1) MX2022010355A (es)
WO (1) WO2021165847A1 (es)

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Also Published As

Publication number Publication date
KR20220144393A (ko) 2022-10-26
AU2021224078A1 (en) 2022-09-08
JP2021132644A (ja) 2021-09-13
US20230085173A1 (en) 2023-03-16
CN115362177A (zh) 2022-11-18
AU2021224078B2 (en) 2024-01-18
IL295713A (en) 2022-10-01
EP4107192A1 (en) 2022-12-28
WO2021165847A1 (en) 2021-08-26
CA3171864A1 (en) 2021-08-26
BR112022015796A2 (pt) 2022-10-11

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