FR2921675B1 - Filament a base d'acide hyaluronique et son procede d'obtention. - Google Patents

Filament a base d'acide hyaluronique et son procede d'obtention.

Info

Publication number: FR2921675B1
Authority: FR; France
Prior art keywords: hyaluronic acid; obtaining same; acid filament; filament; obtaining
Prior art date: 2007-09-28
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

FR0757957A

Other languages

English (en)

Other versions

FR2921675A1 (fr

Inventor

Alain Domard

Laurent David

Florence Dupasquier

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Centre National de la Recherche Scientifique CNRS

Universite Claude Bernard Lyon 1

Original Assignee

Centre National de la Recherche Scientifique CNRS

Universite Claude Bernard Lyon 1

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.)

2007-09-28

Filing date

2007-09-28

Publication date

2010-03-19

2007-09-28 Application filed by Centre National de la Recherche Scientifique CNRS, Universite Claude Bernard Lyon 1 filed Critical Centre National de la Recherche Scientifique CNRS

2007-09-28 Priority to FR0757957A priority Critical patent/FR2921675B1/fr

2008-09-26 Priority to PCT/FR2008/051729 priority patent/WO2009050389A2/fr

2008-09-26 Priority to US12/680,257 priority patent/US8753671B2/en

2008-09-26 Priority to EP08839182A priority patent/EP2193228A2/fr

2008-09-26 Priority to BRPI0817567-5A priority patent/BRPI0817567B1/pt

2009-04-03 Publication of FR2921675A1 publication Critical patent/FR2921675A1/fr

2010-03-19 Application granted granted Critical

2010-03-19 Publication of FR2921675B1 publication Critical patent/FR2921675B1/fr

2014-05-05 Priority to US14/269,315 priority patent/US9044410B2/en

Status Expired - Fee Related legal-status Critical Current

2027-09-28 Anticipated expiration legal-status Critical

Links

KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 title 1
229920002674 hyaluronan Polymers 0.000 title 1
229960003160 hyaluronic acid Drugs 0.000 title 1

Classifications

- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/20—Polysaccharides
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/10—Antimycotics
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
- C08J7/065—Low-molecular-weight organic substances, e.g. absorption of additives in the surface of the article
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/1845—Aromatic mono- or polycarboxylic acids
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/15—Proteins or derivatives thereof
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
- C08J2305/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/298—Physical dimension

Landscapes

Health & Medical Sciences (AREA)
Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Textile Engineering (AREA)
Medicinal Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Pharmacology & Pharmacy (AREA)
Organic Chemistry (AREA)
Epidemiology (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
Oncology (AREA)
Communicable Diseases (AREA)
Mechanical Engineering (AREA)
Polymers & Plastics (AREA)
Inorganic Chemistry (AREA)
Dermatology (AREA)
Oral & Maxillofacial Surgery (AREA)
Transplantation (AREA)
Bioinformatics & Cheminformatics (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Materials For Medical Uses (AREA)
Artificial Filaments (AREA)

FR0757957A 2007-09-28 2007-09-28 Filament a base d'acide hyaluronique et son procede d'obtention. Expired - Fee Related FR2921675B1 (fr)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
FR0757957A FR2921675B1 (fr)	2007-09-28	2007-09-28	Filament a base d'acide hyaluronique et son procede d'obtention.
PCT/FR2008/051729 WO2009050389A2 (fr)	2007-09-28	2008-09-26	Filament a base d'acide hyaluronique sous forme acide libre et son procede d'obtention
US12/680,257 US8753671B2 (en)	2007-09-28	2008-09-26	Filament based on hyaluronic acid in the form of free acid and method for obtaining it
EP08839182A EP2193228A2 (fr)	2007-09-28	2008-09-26	Filament a base d'acide hyaluronique sous forme acide libre et son procede d'obtention
BRPI0817567-5A BRPI0817567B1 (pt)	2007-09-28	2008-09-26	Filamento à base de ácido hialurônico sob forma ácida livre, seu processo de preparação por fiação via úmida e utilização do mesmo
US14/269,315 US9044410B2 (en)	2007-09-28	2014-05-05	Filament based on hyaluronic acid in the form of free acid and method for obtaining it

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR0757957A FR2921675B1 (fr)	2007-09-28	2007-09-28	Filament a base d'acide hyaluronique et son procede d'obtention.

Publications (2)

Publication Number	Publication Date
FR2921675A1 FR2921675A1 (fr)	2009-04-03
FR2921675B1 true FR2921675B1 (fr)	2010-03-19

Family

ID=39444490

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR0757957A Expired - Fee Related FR2921675B1 (fr)	2007-09-28	2007-09-28	Filament a base d'acide hyaluronique et son procede d'obtention.

Country Status (5)

Country	Link
US (2)	US8753671B2 (fr)
EP (1)	EP2193228A2 (fr)
BR (1)	BRPI0817567B1 (fr)
FR (1)	FR2921675B1 (fr)
WO (1)	WO2009050389A2 (fr)

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ES2376680B8 (es) *	2010-08-16	2013-04-30	Nylstar, S.A.	Fibra textil cosmética, procedimiento de obtención y su empleo.
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CZ304654B6 (cs)	2012-11-27	2014-08-20	Contipro Biotech S.R.O.	Nanomicelární kompozice na bázi C6-C18-acylovaného hyaluronanu, způsob přípravy C6-C18-acylovaného hyaluronanu, způsob přípravy nanomicelární kompozice a stabilizované nanomicelární kompozice a použití
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CZ2014150A3 (cs)	2014-03-11	2015-05-20	Contipro Biotech S.R.O.	Konjugáty oligomeru kyseliny hyaluronové nebo její soli, způsob jejich přípravy a použití
CZ2014451A3 (cs)	2014-06-30	2016-01-13	Contipro Pharma A.S.	Protinádorová kompozice na bázi kyseliny hyaluronové a anorganických nanočástic, způsob její přípravy a použití
CZ309295B6 (cs)	2015-03-09	2022-08-10	Contipro A.S.	Samonosný, biodegradabilní film na bázi hydrofobizované kyseliny hyaluronové, způsob jeho přípravy a použití
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US7662332B2 (en) *	2003-10-01	2010-02-16	The Research Foundation Of State University Of New York	Electro-blowing technology for fabrication of fibrous articles and its applications of hyaluronan
US7323425B2 (en)	2004-08-27	2008-01-29	Stony Brook Technology And Applied Research	Crosslinking of hyaluronan solutions and nanofiberous membranes made therefrom

2007
- 2007-09-28 FR FR0757957A patent/FR2921675B1/fr not_active Expired - Fee Related
2008
- 2008-09-26 BR BRPI0817567-5A patent/BRPI0817567B1/pt not_active IP Right Cessation
- 2008-09-26 US US12/680,257 patent/US8753671B2/en not_active Expired - Fee Related
- 2008-09-26 EP EP08839182A patent/EP2193228A2/fr not_active Withdrawn
- 2008-09-26 WO PCT/FR2008/051729 patent/WO2009050389A2/fr not_active Ceased
2014
- 2014-05-05 US US14/269,315 patent/US9044410B2/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US20140242146A1 (en)	2014-08-28
EP2193228A2 (fr)	2010-06-09
WO2009050389A3 (fr)	2009-11-26
US9044410B2 (en)	2015-06-02
US20100310631A1 (en)	2010-12-09
US8753671B2 (en)	2014-06-17
BRPI0817567B1 (pt)	2018-07-24
FR2921675A1 (fr)	2009-04-03
BRPI0817567A2 (pt)	2015-04-07
WO2009050389A2 (fr)	2009-04-23

Publication	Publication Date	Title
FR2921675B1 (fr)	2010-03-19	Filament a base d'acide hyaluronique et son procede d'obtention.
EP1765979A4 (fr)	2007-09-19	Micro-organisme produisant la l-methionine et procede de production de l-methionine au moyen de ce micro-organisme
DE602004030345D1 (de)	2011-01-13	Hyaluronsäure produzierende pflanze
EP1739101A4 (fr)	2010-05-19	PROCÉDÉ DE PRODUCTION D"UN POLYMÈRE alpha-OLÉFINIQUE
EP1770080A4 (fr)	2009-11-11	Procede de production d'ethylene et de propylene
EP2103723A4 (fr)	2011-03-23	Procédé de production et dispositif de production d'un filament ultra-fin
EP2003209A4 (fr)	2012-04-04	Procede de production d'acide l-amine
EP2197676A4 (fr)	2013-03-06	Feuille de graphène et son procédé d'obtention
FR2902785B1 (fr)	2008-08-08	Procede de fabrication de 1,2-dichloroethane
EP2154690A4 (fr)	2015-04-01	Film conducteur transparent et procede de production d'un film conducteur transparent
FR2865731B1 (fr)	2007-09-07	Procede de fabrication d'un hydrofluoroalcane
EP2436702A4 (fr)	2013-10-09	Polymère à base d'isobutylène et son procédé d'obtention
EP2144257A4 (fr)	2012-01-11	Processus permettant la production d'aimants frittés ndfeb
EP2058338A4 (fr)	2010-01-27	Polymère hyperbranché et son procédé de production
EP1964860A4 (fr)	2012-11-07	Polymere d'ethylene : procede et catalyseur de production associes
EP2014315A4 (fr)	2012-06-20	Procede de fabrication d'os artificfiel
FR2937647B1 (fr)	2011-10-14	Procede d'obtention de biokerosene
EP2065408A4 (fr)	2010-01-20	Polymère hyperramifié et son procédé de production
FR2902787B1 (fr)	2008-09-05	Procede de fabrication de 1,2-dichloroethane
EP1947092A4 (fr)	2009-12-09	Base d'acide nucleique comportant un groupe perfluoroalkyle et son procede de production
EP2213694A4 (fr)	2012-05-30	Copolymère d'acide 12-hydroxystéarique et son procédé de production
FR2902786B1 (fr)	2008-08-29	Procede de fabrication de 1,2-dichloroethane
FR2902784B1 (fr)	2008-09-05	Procede de fabrication de 1,2-dichloroethane
EP1932910A4 (fr)	2009-01-21	Procede de production d'acide lactique
EP1874948A4 (fr)	2011-04-20	PROCEDE DE PRODUCTION DE y-GLUTAMYLCYSTEINE

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