BE900406A - Nouveaux esters de polyols, leur preparation et leur utilisation. - Google Patents

Nouveaux esters de polyols, leur preparation et leur utilisation.

Info

Publication number
BE900406A
BE900406A BE1/11073A BE1011073A BE900406A BE 900406 A BE900406 A BE 900406A BE 1/11073 A BE1/11073 A BE 1/11073A BE 1011073 A BE1011073 A BE 1011073A BE 900406 A BE900406 A BE 900406A
Authority
BE
Belgium
Prior art keywords
preparation
polyol
polyol esters
novel polyol
ester
Prior art date
Application number
BE1/11073A
Other languages
English (en)
Original Assignee
Sandoz 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 Sandoz Sa filed Critical Sandoz Sa
Publication of BE900406A publication Critical patent/BE900406A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/66—Polyesters containing oxygen in the form of ether groups
    • C08G63/664—Polyesters containing oxygen in the form of ether groups derived from hydroxy carboxylic acids
    • 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
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)
    • 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
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/2031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
    • A61K9/204—Polyesters, e.g. poly(lactide-co-glycolide)
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/08—Lactones or lactides
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/902—Specified use of nanostructure
    • Y10S977/904—Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
    • Y10S977/915—Therapeutic or pharmaceutical composition

Abstract

La présente invention a pour objet un ester d'un polyol, ledit polyol contenant au moins 3 groupes hydroxy ayant un poids moléculaire pouvant aller jusqu'à 20 000, au moins un groupe hydroxy dans ledit polyol étantforme d'ester avec un reste d'acide polylactique ou co-polylactique ayant chacun un poids moléculaire d'au moins 5000. Ces esters de polyols peuvent etre utilisés pour la préparation de formes galéniques à libération prolongée.
BE1/11073A 1983-08-26 1984-08-22 Nouveaux esters de polyols, leur preparation et leur utilisation. BE900406A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH4671/83A CH656884A5 (de) 1983-08-26 1983-08-26 Polyolester, deren herstellung und verwendung.

Publications (1)

Publication Number Publication Date
BE900406A true BE900406A (fr) 1985-02-22

Family

ID=4280440

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1/11073A BE900406A (fr) 1983-08-26 1984-08-22 Nouveaux esters de polyols, leur preparation et leur utilisation.

Country Status (27)

Country Link
US (2) US5922682A (fr)
JP (1) JPH0819226B2 (fr)
AT (1) AT395584B (fr)
AU (1) AU575066B2 (fr)
BE (1) BE900406A (fr)
CH (1) CH656884A5 (fr)
CY (1) CY1556A (fr)
DE (1) DE3430852C2 (fr)
DK (1) DK173556B1 (fr)
ES (1) ES8706750A1 (fr)
FR (1) FR2551072B1 (fr)
GB (1) GB2145422B (fr)
GR (1) GR80184B (fr)
HK (1) HK67390A (fr)
HU (1) HU195426B (fr)
IE (1) IE58818B1 (fr)
IL (1) IL72763A (fr)
IT (1) IT1176629B (fr)
LU (1) LU85514A1 (fr)
MY (1) MY101861A (fr)
NL (2) NL190415C (fr)
NZ (1) NZ209335A (fr)
PH (1) PH23556A (fr)
PT (1) PT79129B (fr)
SE (1) SE462098B (fr)
SG (1) SG53590G (fr)
ZA (1) ZA846634B (fr)

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Also Published As

Publication number Publication date
DK407284A (da) 1985-02-27
GB2145422A (en) 1985-03-27
ATA271384A (de) 1992-06-15
NL190415B (nl) 1993-09-16
AU3234884A (en) 1985-02-28
PH23556A (en) 1989-08-25
MY101861A (en) 1992-01-31
SE8404225L (sv) 1985-02-27
ES535399A0 (es) 1987-06-16
ES8706750A1 (es) 1987-06-16
DK407284D0 (da) 1984-08-24
AT395584B (de) 1993-01-25
SG53590G (en) 1990-10-26
AU575066B2 (en) 1988-07-21
DE3430852A1 (de) 1985-03-14
NL960014I1 (nl) 1996-10-01
DE3430852C2 (de) 2003-08-14
NZ209335A (en) 1988-08-30
LU85514A1 (fr) 1985-04-24
GR80184B (en) 1985-01-02
IL72763A (en) 1988-02-29
ZA846634B (en) 1986-04-30
HU195426B (en) 1988-05-30
IT8422413A0 (it) 1984-08-24
PT79129B (en) 1986-07-17
CY1556A (en) 1991-03-22
IL72763A0 (en) 1984-11-30
HK67390A (en) 1990-09-07
US5922682A (en) 1999-07-13
FR2551072B1 (fr) 1988-01-15
JPS6076531A (ja) 1985-05-01
SE8404225D0 (sv) 1984-08-24
DK173556B1 (da) 2001-03-12
PT79129A (en) 1984-09-01
FR2551072A1 (fr) 1985-03-01
CH656884A5 (de) 1986-07-31
GB2145422B (en) 1987-08-26
GB8421273D0 (en) 1984-09-26
HUT38265A (en) 1986-05-28
SE462098B (sv) 1990-05-07
IT1176629B (it) 1987-08-18
IE58818B1 (en) 1993-11-17
NL190415C (nl) 1994-02-16
NL8402547A (nl) 1985-03-18
US5922338A (en) 1999-07-13
JPH0819226B2 (ja) 1996-02-28
IE842171L (en) 1985-02-26

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