DE69634927D1 - Stabilisation von kolloidalen systemen durch die bildung von ionischen lipid-polysaccharid-komplexen - Google Patents

Stabilisation von kolloidalen systemen durch die bildung von ionischen lipid-polysaccharid-komplexen

Info

Publication number
DE69634927D1
DE69634927D1 DE69634927T DE69634927T DE69634927D1 DE 69634927 D1 DE69634927 D1 DE 69634927D1 DE 69634927 T DE69634927 T DE 69634927T DE 69634927 T DE69634927 T DE 69634927T DE 69634927 D1 DE69634927 D1 DE 69634927D1
Authority
DE
Germany
Prior art keywords
formation
colloidal systems
stabilization
systems
useful
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
DE69634927T
Other languages
English (en)
Other versions
DE69634927T2 (de
Inventor
Fernandez Maria Jose Alonso
Salve Pilar Calvo
Lopez Carmen Remunan
Jato Jose Luis Vila
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.)
Advancell Advanced In Vitro Cell Technologies SA
Original Assignee
Advancell Advanced In Vitro Cell Technologies 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
Application filed by Advancell Advanced In Vitro Cell Technologies SA filed Critical Advancell Advanced In Vitro Cell Technologies SA
Publication of DE69634927D1 publication Critical patent/DE69634927D1/de
Application granted granted Critical
Publication of DE69634927T2 publication Critical patent/DE69634927T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules 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
    • A61K9/51Nanocapsules; Nanoparticles
    • A61K9/5107Excipients; Inactive ingredients
    • A61K9/513Organic macromolecular compounds; Dendrimers
    • A61K9/5146Organic macromolecular compounds; Dendrimers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyamines, polyanhydrides
    • A61K9/5153Polyesters, e.g. poly(lactide-co-glycolide)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/10Dispersions; Emulsions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/10Dispersions; Emulsions
    • A61K9/107Emulsions ; Emulsion preconcentrates; Micelles
    • A61K9/1075Microemulsions or submicron emulsions; Preconcentrates or solids thereof; Micelles, e.g. made of phospholipids or block copolymers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules 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
    • A61K9/51Nanocapsules; Nanoparticles
    • A61K9/5107Excipients; Inactive ingredients
    • A61K9/513Organic macromolecular compounds; Dendrimers
    • A61K9/5161Polysaccharides, e.g. alginate, chitosan, cellulose derivatives; Cyclodextrin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules 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
    • A61K9/51Nanocapsules; Nanoparticles
    • A61K9/5192Processes
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/70Nanostructure
    • Y10S977/788Of specified organic or carbon-based composition
    • Y10S977/797Lipid particle
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/70Nanostructure
    • Y10S977/788Of specified organic or carbon-based composition
    • Y10S977/797Lipid particle
    • Y10S977/798Lipid particle having internalized material
    • Y10S977/799Containing biological material
    • Y10S977/801Drug
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/902Specified use of nanostructure
    • Y10S977/904Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
    • Y10S977/906Drug delivery
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/902Specified use of nanostructure
    • Y10S977/904Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
    • Y10S977/906Drug delivery
    • Y10S977/907Liposome
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/902Specified use of nanostructure
    • Y10S977/904Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
    • Y10S977/915Therapeutic or pharmaceutical composition
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/902Specified use of nanostructure
    • Y10S977/904Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
    • Y10S977/926Topical chemical, e.g. cosmetic or sunscreen
DE69634927T 1995-05-26 1996-05-24 Stabilisation von kolloidalen systemen durch die bildung von ionischen lipid-polysaccharid-komplexen Expired - Lifetime DE69634927T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES9501035 1995-05-26
ES09501035A ES2093562B1 (es) 1995-05-26 1995-05-26 Estabilizacion de sistemas coloidales mediante formacion de complejos ionicos lipido-polisacarido.
PCT/ES1996/000116 WO1996037232A1 (es) 1995-05-26 1996-05-24 Estabilizacion de sistemas coloidales mediante formacion de complejos ionicos lipido-polisacarido

Publications (2)

Publication Number Publication Date
DE69634927D1 true DE69634927D1 (de) 2005-08-18
DE69634927T2 DE69634927T2 (de) 2008-05-15

Family

ID=8290513

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69634927T Expired - Lifetime DE69634927T2 (de) 1995-05-26 1996-05-24 Stabilisation von kolloidalen systemen durch die bildung von ionischen lipid-polysaccharid-komplexen

Country Status (9)

Country Link
US (1) US5843509A (de)
EP (1) EP0771566B1 (de)
AT (1) ATE330636T1 (de)
CA (1) CA2195881C (de)
DE (1) DE69634927T2 (de)
DK (1) DK0771566T3 (de)
ES (1) ES2093562B1 (de)
PT (1) PT771566E (de)
WO (1) WO1996037232A1 (de)

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Also Published As

Publication number Publication date
ES2093562A1 (es) 1996-12-16
DK0771566T3 (da) 2006-10-23
CA2195881C (en) 2006-09-12
CA2195881A1 (en) 1996-11-28
EP0771566B1 (de) 2006-06-21
ATE330636T1 (de) 2006-07-15
ES2093562B1 (es) 1997-07-01
PT771566E (pt) 2006-08-31
EP0771566A1 (de) 1997-05-07
WO1996037232A1 (es) 1996-11-28
DE69634927T2 (de) 2008-05-15
US5843509A (en) 1998-12-01

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Legal Events

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8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8372 Publication of ep patent withdrawn
8364 No opposition during term of opposition
8381 Inventor (new situation)

Inventor name: ALONSO FERNANDEZ, MARIA JOSE, 15706 SANTIAGO D, ES

Inventor name: CALVO SALVE, PILAR, 15706 SANTIAGO DE COMPOSTE, ES

Inventor name: REMUNAN LOPEZ, CARMEN, 15706 SANTIAGO DE COMPO, ES

Inventor name: VILA JATO, JOSE LUIS, 15706 SANTIAGO DE COMPOS, ES