FR2694894B1 - Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition. - Google Patents

Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition.

Info

Publication number
FR2694894B1
FR2694894B1 FR9210173A FR9210173A FR2694894B1 FR 2694894 B1 FR2694894 B1 FR 2694894B1 FR 9210173 A FR9210173 A FR 9210173A FR 9210173 A FR9210173 A FR 9210173A FR 2694894 B1 FR2694894 B1 FR 2694894B1
Authority
FR
France
Prior art keywords
microparticles
polyamine
manufacture
composition
esterified polysaccharide
Prior art date
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 - Lifetime
Application number
FR9210173A
Other languages
English (en)
Other versions
FR2694894A1 (fr
Inventor
Marie-Christine Levy
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.)
BASF Beauty Care Solutions France SAS
Original Assignee
Coletica SA
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
Priority to FR9210173A priority Critical patent/FR2694894B1/fr
Application filed by Coletica SA filed Critical Coletica SA
Priority to JP6505955A priority patent/JPH08509246A/ja
Priority to KR1019950700653A priority patent/KR950702868A/ko
Priority to EP93917853A priority patent/EP0655946A1/fr
Priority to US08/387,776 priority patent/US5691060A/en
Priority to CA002142961A priority patent/CA2142961A1/fr
Priority to PCT/FR1993/000792 priority patent/WO1994004261A1/fr
Publication of FR2694894A1 publication Critical patent/FR2694894A1/fr
Application granted granted Critical
Publication of FR2694894B1 publication Critical patent/FR2694894B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/14—Polymerisation; cross-linking
    • B01J13/16—Interfacial polymerisation
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/30—Foods or foodstuffs containing additives; Preparation or treatment thereof containing carbohydrate syrups; containing sugars; containing sugar alcohols, e.g. xylitol; containing starch hydrolysates, e.g. dextrin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/11—Encapsulated compositions
    • 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
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1682—Processes
    • A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
    • 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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • 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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5052—Proteins, e.g. albumin
    • 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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5089—Processes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/41—Particular ingredients further characterized by their size
    • A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns
    • 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
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y10T428/2985—Solid-walled microcapsule from synthetic polymer
FR9210173A 1992-08-20 1992-08-20 Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition. Expired - Lifetime FR2694894B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR9210173A FR2694894B1 (fr) 1992-08-20 1992-08-20 Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition.
KR1019950700653A KR950702868A (ko) 1992-08-20 1993-08-04 미세 입자 제조를 위한 에스테르화 다당류와 폴리아민에이트화 또는 폴리히드록실레이트화 물질 사이의 아실 교환 반응의 이용, 이를 통해 수득된 미세 입자, 이의 제조방법 및 이를 함유하는 조성물(utilization of a transacylation reaction between an esterified polysaccharide and a polyaminated or polyhydroxylated substance for fabricating microparticles, microparticles thus obtained, methods and compositions containing them)
EP93917853A EP0655946A1 (fr) 1992-08-20 1993-08-04 Utilisation d'une reaction de transacylation entre un polysaccharide esterifie et une substance polyaminee ou polyhydroxylee pour la fabrication de microparticules, microparticules ainsi realisees, procedes et compositions en contenant
US08/387,776 US5691060A (en) 1992-08-20 1993-08-04 Utilization of a transacylation reaction between an esterified polysaccharide and a polyaminated or polyhydroxylated substance for fabricating microparticles, microparticles thus obtained, methods and compositions containing them
JP6505955A JPH08509246A (ja) 1992-08-20 1993-08-04 エステル化した多糖類とポリアミン化またはポリヒドロキシル化した物質の間のトランスアシル化反応の微粒子製造への使用、そのようにして製造された微粒子、方法、およびそれを含有する組成物
CA002142961A CA2142961A1 (fr) 1992-08-20 1993-08-04 Utilisation d'une reaction de transacylation entre un polysaccharide esterifie et une substance polyaminee ou polyhydroxylee pour la production de microparticules; microparticulesainsi obtenues; methode de preparation et composition a base de ces microparticules
PCT/FR1993/000792 WO1994004261A1 (fr) 1992-08-20 1993-08-04 Utilisation d'une reaction de transacylation entre un polysaccharide esterifie et une substance polyaminee ou polyhydroxylee pour la fabrication de microparticules, microparticules ainsi realisees, procedes et compositions en contenant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9210173A FR2694894B1 (fr) 1992-08-20 1992-08-20 Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition.

Publications (2)

Publication Number Publication Date
FR2694894A1 FR2694894A1 (fr) 1994-02-25
FR2694894B1 true FR2694894B1 (fr) 1994-11-10

Family

ID=9432952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9210173A Expired - Lifetime FR2694894B1 (fr) 1992-08-20 1992-08-20 Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition.

Country Status (7)

Country Link
US (1) US5691060A (fr)
EP (1) EP0655946A1 (fr)
JP (1) JPH08509246A (fr)
KR (1) KR950702868A (fr)
CA (1) CA2142961A1 (fr)
FR (1) FR2694894B1 (fr)
WO (1) WO1994004261A1 (fr)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5510418A (en) * 1988-11-21 1996-04-23 Collagen Corporation Glycosaminoglycan-synthetic polymer conjugates
US6090925A (en) 1993-03-09 2000-07-18 Epic Therapeutics, Inc. Macromolecular microparticles and methods of production and use
US5981719A (en) 1993-03-09 1999-11-09 Epic Therapeutics, Inc. Macromolecular microparticles and methods of production and use
DK103393D0 (da) * 1993-09-15 1993-09-15 Ferrosan As Praeparat
FR2740473B1 (fr) * 1995-10-25 1998-01-16 Coletica Particules a polysaccharide esterifie et polyamine
DE19611769A1 (de) * 1996-03-14 1997-09-18 Schering Ag Mikropartikel, Verfahren zu deren Herstellung, sowie deren Verwendung in der Ultraschall Diagnostik
US6333047B1 (en) * 1997-05-09 2001-12-25 Daiichi Kasei Co., Ltd. Molded capsule superior in strength and stability and method for preparing same
US6150505A (en) * 1997-09-19 2000-11-21 Hadasit Medical Research Services & Development Ltd. Fibrin microbeads prepared from fibrinogen, thrombin and factor XIII
US6685965B1 (en) * 1997-10-22 2004-02-03 Industria E Comercio De Cosmeticos Natura Ltda. Process for stabilizing levogyre ascorbic acid (laa), a stable aqueous laa composition, a process for preparing a stable topical solution, an emulsion, a vitamin product, and a method for cosmetic, pharmaceutical or nutritional treatment
WO2000016733A2 (fr) 1998-09-22 2000-03-30 The Procter & Gamble Company Compositions pour soins d'hygiene personnelle contenant des proteines actives fixees a un substrat insoluble dans l'eau
US6303119B1 (en) 1999-09-22 2001-10-16 The Procter & Gamble Company Personal care compositions containing subtilisin enzymes bound to water insoluble substrates
US7758888B2 (en) * 2000-04-21 2010-07-20 Sol-Gel Technologies Ltd. Composition exhibiting enhanced formulation stability and delivery of topical active ingredients
US20040126900A1 (en) * 2001-04-13 2004-07-01 Barry Stephen E High affinity peptide- containing nanoparticles
GB0208261D0 (en) * 2002-04-10 2002-05-22 Dow Corning An atmospheric pressure plasma assembly
EP1371410A1 (fr) * 2002-06-14 2003-12-17 NIZO food research Coacérvates complexes contenant de protéines au petit-lait
KR100517072B1 (ko) * 2002-11-25 2005-09-26 주식회사 태평양 폴리올/고분자 마이크로캡슐 및 이를 이용한 효소 안정화방법
ZA200504947B (en) * 2002-12-18 2006-08-30 Unilever Plc Complex coacervate encapsulate comprising lipophilic core
FR2848847B1 (fr) * 2002-12-18 2005-10-14 Coletica Composition cosmetique ou dermopharmaceutique comprenant une enzyme insoluble en milieu aqueux, ainsi que ses utilisations
WO2004081222A2 (fr) 2003-03-14 2004-09-23 Sol-Gel Technologies Ltd. Microparticules et nanoparticules d'encapsulation d'agents, procedes de preparation de celles-ci, et produits contenant celles-ci
US8110284B2 (en) * 2003-07-31 2012-02-07 Sol-Gel Technologies Ltd. Microcapsules loaded with active ingredients and a method for their preparation
US7842382B2 (en) 2004-03-11 2010-11-30 Knauf Insulation Gmbh Binder compositions and associated methods
MX2007004416A (es) 2004-10-13 2007-06-11 Knauf Insulation Gmbh Composiciones aglutinantes de poliester.
KR101779677B1 (ko) 2005-07-26 2017-09-18 크나우프 인설레이션, 인크. 접착제 및 이들로 만들어진 물질
EP2431088A1 (fr) * 2005-08-02 2012-03-21 Sol-Gel Technologies Ltd. Revêtement d'oxyde métallique d'ingrédients insolubles dans l'eau
WO2008089850A1 (fr) 2007-01-25 2008-07-31 Knauf Insulation Limited Panneau de fibres minérales
CN101688343B (zh) 2007-01-25 2011-12-14 可耐福保温材料有限公司 无甲醛的矿物纤维绝缘产品
PL2108006T3 (pl) 2007-01-25 2021-04-19 Knauf Insulation Gmbh Spoiwa i wytworzone z nich materiały
WO2008089847A1 (fr) 2007-01-25 2008-07-31 Knauf Insulation Limited Panneau de bois composite
EA200970724A1 (ru) 2007-02-01 2010-02-26 Сол-Джел Текнолоджиз Лтд. Композиции для местного применения, содержащие пероксид и ретиноид
CA2683706A1 (fr) 2007-04-13 2008-10-23 Knauf Insulation Gmbh Liants de maillard-resole composites
GB0715100D0 (en) 2007-08-03 2007-09-12 Knauf Insulation Ltd Binders
US11458105B2 (en) 2008-12-04 2022-10-04 International Flavors & Fragrances Inc. Hybrid fragrance encapsulate formulation and method for using the same
US9763861B2 (en) 2008-12-04 2017-09-19 International Flavors & Fragrances Inc. Stable, flowable silica capsule formulation
CA2770396A1 (fr) 2009-08-07 2011-02-10 Knauf Insulation Liant a base de melasse
HUE055950T2 (hu) 2010-05-07 2022-01-28 Knauf Insulation Szénhidrát poliamin kötõanyagok és az azzal elõállított anyagok
KR101835899B1 (ko) 2010-05-07 2018-03-07 크나우프 인설레이션, 인크. 탄수화물 결합제 및 이를 이용하여 제조된 물질
WO2011154368A1 (fr) 2010-06-07 2011-12-15 Knauf Insulation Produits à base de fibres contenant des additifs de régulation de la température
CN108465446A (zh) 2011-03-18 2018-08-31 国际香料和香精公司 由溶胶-凝胶前体混合物制备的微胶囊及其制备方法
WO2012152731A1 (fr) 2011-05-07 2012-11-15 Knauf Insulation Composition liquide de liant à teneur élevée en matières solides
GB201206193D0 (en) 2012-04-05 2012-05-23 Knauf Insulation Ltd Binders and associated products
GB201214734D0 (en) 2012-08-17 2012-10-03 Knauf Insulation Ltd Wood board and process for its production
US9687465B2 (en) 2012-11-27 2017-06-27 Sol-Gel Technologies Ltd. Compositions for the treatment of rosacea
ES2921601T3 (es) 2012-12-05 2022-08-30 Knauf Insulation Sprl Aglutinante
US11401204B2 (en) 2014-02-07 2022-08-02 Knauf Insulation, Inc. Uncured articles with improved shelf-life
GB201408909D0 (en) 2014-05-20 2014-07-02 Knauf Insulation Ltd Binders
GB201517867D0 (en) 2015-10-09 2015-11-25 Knauf Insulation Ltd Wood particle boards
GB201610063D0 (en) 2016-06-09 2016-07-27 Knauf Insulation Ltd Binders
GB201701569D0 (en) 2017-01-31 2017-03-15 Knauf Insulation Ltd Improved binder compositions and uses thereof
GB201804907D0 (en) 2018-03-27 2018-05-09 Knauf Insulation Ltd Composite products
GB201804908D0 (en) 2018-03-27 2018-05-09 Knauf Insulation Ltd Binder compositions and uses thereof
WO2020146691A1 (fr) 2019-01-11 2020-07-16 Encapsys, Llc Incorporation de chitosane dans une paroi de microcapsule
CN114831307A (zh) * 2022-03-07 2022-08-02 北京市农林科学院信息技术研究中心 一种包埋生物活性物质的纳米颗粒的制备方法及其应用

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB768309A (en) * 1954-03-27 1957-02-13 Henkel & Cie Gmbh Process for the production of amides of alginic acid
NL273693A (fr) * 1961-01-18
GB1135856A (en) * 1966-09-08 1968-12-04 Alginate Ind Ltd A method of modifying alkylene glycol alginates
US4187194A (en) * 1972-01-03 1980-02-05 Xerox Corporation Encapsulation process
US3833744A (en) * 1972-08-24 1974-09-03 Gen Mills Inc Texturizing materials for foods
US4217370A (en) * 1977-08-25 1980-08-12 Blue Wing Corporation Lipid-containing feed supplements and foodstuffs
IL58965A (en) * 1978-12-19 1982-08-31 Mars Inc Production of microcapsules
US4497793A (en) * 1980-08-11 1985-02-05 Pennwalt Corporation Microencapsulated naturally occuring pyrethrins
FR2527438B1 (fr) * 1982-05-26 1985-08-09 Centre Nat Rech Scient Microcapsules a paroi constituee par des polyholosides reticules et leur procede de preparation
IL72787A (en) * 1983-09-01 1987-12-31 Damon Biotech Inc Polyionic microencapsulation of viable cells
DE3686275T2 (de) * 1985-01-11 1993-03-18 Teijin Ltd Praeparate mit verzoegerter freisetzung.
JPS62100534A (ja) * 1985-10-28 1987-05-11 Fuji Boseki Kk 超微小球状キチンの製造方法
FR2608456B1 (fr) * 1986-12-18 1993-06-18 Mero Rousselot Satia Microcapsules a base de gelatine et de polysaccharides et leur procede d'obtention
KR930006431B1 (ko) * 1990-10-11 1993-07-16 재단법인 한국화학연구소 약물의 미세캡슐화 방법
US5227274A (en) * 1990-12-06 1993-07-13 Fuji Photo Film Co., Ltd. Process for preparation of light-sensitive material containing microcapsules

Also Published As

Publication number Publication date
US5691060A (en) 1997-11-25
KR950702868A (ko) 1995-08-23
FR2694894A1 (fr) 1994-02-25
WO1994004261A1 (fr) 1994-03-03
EP0655946A1 (fr) 1995-06-07
JPH08509246A (ja) 1996-10-01
CA2142961A1 (fr) 1994-03-03

Similar Documents

Publication Publication Date Title
FR2694894B1 (fr) Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition.
DZ2051A1 (fr) Catalyseur et procédé de préparation d'hydrocarbures.
AU2411588A (en) Improved process for the manufacture of 1,1,1- trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane
BR8805553A (pt) Processo para a producao de um homopolimero ou copolimero de etileno;e sistema catalisador misto
FR2519878B1 (fr) Produit chimique pour l'agriculture, microencapsule et sa preparation
FR2701408B1 (fr) Composition et procédé d'antimottage pour engrais.
DZ1758A1 (fr) Procédé pour la préparation d'aryl-piperidine carbinols.
BR8706438A (pt) Processo para a preparacao de silicio a partir da reducao de dioxido de silicio com um agente redutor carbonaceo solido,e processo para a preparacao de carboneto de silicio a partir da reacao de dioxido de silicio e agente redutor carbonaceo solido
FR2569702B1 (fr) Nouvelle 4'-deschlororebeccamycine, composition pharmaceutique la contenant et procede pour sa preparation
GB2271990B (en) Process for the preparation of L-5-(2-acetoxy-propionylamino)--2,4,6-triiodo-isophthalic acid dichloride
DZ1946A1 (fr) Procédé pour la préparation de supports.
DE3760473D1 (en) Process for the manufacture of 2,2-dimethylpropan-1,3-diol
EP0237735A3 (en) 3,7-disubstituted-3-cephem compounds and process for production of the same
FR2721598B1 (fr) Procédé de préparation de catalyseurs d'ammoxydation.
FR2694211B1 (fr) Procédé d'élimination de catalyseur.
FR2708266B1 (fr) Procédé de préparation d'alcanesulfonamides.
FR2693473B1 (fr) Procédé de préparation enzymatique d'hydrolysats de matières protéiques.
FR2707632B1 (fr) Procédé pour la préparation d'acide adipique ou d'acide pentenoïque.
IT8720802A0 (it) Impianto per la miscelazione e l'attivazione di polimeri.
AU7771487A (en) Process for preventing corrosion and embodiments thereof
OA08176A (fr) Procédés pour régler la viscosité d'hydrolysats de protéines.
FR2755438B1 (fr) Compose, procede pour sa preparation et composition pharmaceutique le contenant
BR8207099A (pt) Mistura de catalisador e processo para a preparacao de 1,2-dicloroetano
FR2719580B1 (fr) Procédé de préparation d'octadiénols.
FR2693457B1 (fr) Procédé d'hydroxylation de composés phénoliques.

Legal Events

Date Code Title Description
CD Change of name or company name