NL174728C - Werkwijze voor het bereiden van orthoester- en orthocarbonaatpolymeren, alsmede werkwijze voor het bereiden van een preparaat voor de afgifte van een werkzame stof. - Google Patents

Werkwijze voor het bereiden van orthoester- en orthocarbonaatpolymeren, alsmede werkwijze voor het bereiden van een preparaat voor de afgifte van een werkzame stof.

Info

Publication number
NL174728C
NL174728C NLAANVRAGE7600881,A NL7600881A NL174728C NL 174728 C NL174728 C NL 174728C NL 7600881 A NL7600881 A NL 7600881A NL 174728 C NL174728 C NL 174728C
Authority
NL
Netherlands
Prior art keywords
preparing
orthocarbonate
orthoester
polymers
delivery
Prior art date
Application number
NLAANVRAGE7600881,A
Other languages
English (en)
Dutch (nl)
Other versions
NL174728B (nl
NL7600881A (nl
Original Assignee
Alza Corp
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 Alza Corp filed Critical Alza Corp
Publication of NL7600881A publication Critical patent/NL7600881A/xx
Publication of NL174728B publication Critical patent/NL174728B/xx
Application granted granted Critical
Publication of NL174728C publication Critical patent/NL174728C/xx

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
    • C08G4/00—Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O—
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • 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
    • C08G67/00—Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing oxygen or oxygen and carbon, not provided for in groups C08G2/00 - C08G65/00
    • 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
    • Y10S71/00—Chemistry: fertilizers
    • Y10S71/904—Carrier

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Medicinal Preparation (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyethers (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
NLAANVRAGE7600881,A 1975-01-28 1976-01-28 Werkwijze voor het bereiden van orthoester- en orthocarbonaatpolymeren, alsmede werkwijze voor het bereiden van een preparaat voor de afgifte van een werkzame stof. NL174728C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/544,808 US4093709A (en) 1975-01-28 1975-01-28 Drug delivery devices manufactured from poly(orthoesters) and poly(orthocarbonates)

Publications (3)

Publication Number Publication Date
NL7600881A NL7600881A (nl) 1976-07-30
NL174728B NL174728B (nl) 1984-03-01
NL174728C true NL174728C (nl) 1984-08-01

Family

ID=24173683

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7600881,A NL174728C (nl) 1975-01-28 1976-01-28 Werkwijze voor het bereiden van orthoester- en orthocarbonaatpolymeren, alsmede werkwijze voor het bereiden van een preparaat voor de afgifte van een werkzame stof.

Country Status (19)

Country Link
US (2) US4093709A (xx)
JP (1) JPS5410037B2 (xx)
AR (1) AR213619A1 (xx)
AT (1) AT356903B (xx)
BE (1) BE837935A (xx)
BR (1) BR7600499A (xx)
CA (1) CA1087345A (xx)
CH (1) CH635355A5 (xx)
DE (1) DE2602994C2 (xx)
DK (1) DK166360C (xx)
ES (1) ES444484A1 (xx)
FR (1) FR2299356A1 (xx)
GB (1) GB1502082A (xx)
IL (1) IL48799A (xx)
IT (1) IT1057070B (xx)
MX (1) MX142986A (xx)
NL (1) NL174728C (xx)
SE (1) SE418189B (xx)
ZA (1) ZA76493B (xx)

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US4138344A (en) 1979-02-06
US4093709A (en) 1978-06-06
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IL48799A (en) 1979-01-31
IT1057070B (it) 1982-03-10
FR2299356A1 (fr) 1976-08-27
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