DE368912T1 - POLYANHYDRIDES WITH IMPROVED HYDROLYTIC DEGRADING PROPERTIES. - Google Patents

POLYANHYDRIDES WITH IMPROVED HYDROLYTIC DEGRADING PROPERTIES.

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Publication number
DE368912T1
DE368912T1 DE1988906761 DE88906761T DE368912T1 DE 368912 T1 DE368912 T1 DE 368912T1 DE 1988906761 DE1988906761 DE 1988906761 DE 88906761 T DE88906761 T DE 88906761T DE 368912 T1 DE368912 T1 DE 368912T1
Authority
DE
Germany
Prior art keywords
bioactive compound
polymer according
monomers
polyanhydride
polymerization
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.)
Pending
Application number
DE1988906761
Other languages
German (de)
Inventor
J. Abraham 52 100 Ramat Gan Domb
S. Robert Newton Ma 02158 Langer
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.)
Massachusetts Institute of Technology
Original Assignee
Massachusetts Institute of Technology
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 claimed from US07/080,631 external-priority patent/US4857311A/en
Application filed by Massachusetts Institute of Technology filed Critical Massachusetts Institute of Technology
Publication of DE368912T1 publication Critical patent/DE368912T1/en
Pending legal-status Critical Current

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  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)

Claims (10)

0 3 683 !2 906 761.7 MASSACHUSETTS INSTITUTE OF TECHNOLOGY PATENTANSPRÜCHE0 3 683 !2 906 761.7 MASSACHUSETTS INSTITUTE OF TECHNOLOGY PATENT CLAIMS 1. Polyanhydrid der allgemeinen Formel:1. Polyanhydride of the general formula: - ( - C (=0)-/&Lgr;-&KHgr;- (CH2) n-C (-O)-O- ( - C (=O)-/λ-�KHgr;- (CH 2 ) n -C (-O)-O worin X aus der Gruppe 0 und CH- ausgewählt ist, &eegr; eine ganze Zahl zwischen 2 und 25 darstellt und y für mindestens 2 steht,wherein X is selected from the group 0 and CH-, η represents an integer between 2 and 25 and y is at least 2, das in organischen Lösungsmitteln löslich ist und einen Fließpunkt von 1000C oder darunter aufweist.which is soluble in organic solvents and has a pour point of 100 0 C or below. 2. Polymeres nach Anspruch 1, dadurch gekennzeichnet, daß es einen Fließpunkt zwischen 40°C und 1000C aufweist.2. Polymer according to claim 1, characterized in that it has a pour point between 40°C and 100 ° C. 3. Polymeres nach Anspruch 1, dadurch gekennzeichnet, daß es nach einem 60%igen Abbau kinetische Abbauprofile Oter Ordnung aufweist.3. Polymer according to claim 1, characterized in that it has kinetic degradation profiles of the Oth order after a 60% degradation. 4. Polymeres nach einem der vorhergehenden Ansprüche, erhalten durch Polymerisation einer p-Carboxyphenoxyalkansäure. 4. Polymer according to one of the preceding claims, obtained by polymerization of a p-carboxyphenoxyalkanoic acid. 5. Polymeres nach Anspruch 4, hergestellt durch Polymerisation von p-Carboxyphenoxyvaleriansäure- und/oder p-Carboxyphenoxyoctylsäuremonomeren.5. Polymer according to claim 4, prepared by polymerization of p-carboxyphenoxyvaleric acid and/or p-carboxyphenoxyoctylic acid monomers. 6. Polymeres nach einem der vorhergehenden Ansprüche, da- ,·6. Polymer according to one of the preceding claims, O 3 &ogr; &ogr; j \ 2 O 3 γ γ j \ 2 durch gekennzeichnet, daß es zusätzlich eine bioaktive Verbindung zur Verwendung in einer Vorrichtung zur gesteuerten Arznexmxttelabgabe enthält.characterized in that it additionally contains a bioactive compound for use in a controlled drug delivery device. 7. Verfahren zur Herstellung einer Polyanhydrid-Vorrichtung zur gesteuerten Abgabe einer bioaktiven Verbindung nach Anspruch 6 durch Polymerisation von Monomeren mit sowohl aromatischen Einheiten als auch aliphatischen Einheiten, die zu dem Polyanhydrid mit gleichmäßiger Verteilung aliphatischer und aromatischer Reste in der Polymerenkette polymerisiert werden können.7. A method of making a polyanhydride device for the controlled release of a bioactive compound according to claim 6 by polymerizing monomers having both aromatic units and aliphatic units which can be polymerized to the polyanhydride with an even distribution of aliphatic and aromatic residues in the polymer chain. 8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß die bioaktive Verbindung aus einem Protein, Arzneimittel, Saccharid, einer Nukleinsäuresequenz oder einer Kombination derselben besteht.8. The method according to claim 7, characterized in that the bioactive compound consists of a protein, drug, saccharide, a nucleic acid sequence or a combination thereof. 9. Verfahren nach Anspruch 8, umfassend eine Polymerisation der Monomeren zur Bildung einer polymeren Matrix, Bereitstellen einer bioaktiven Verbindung und Einbetten der bioaktiven Verbindung in die polymere Matrix.9. The method of claim 8, comprising polymerizing the monomers to form a polymeric matrix, providing a bioactive compound, and embedding the bioactive compound in the polymeric matrix. 10. Verfahren nach Anspruch 8, umfassend eine Polymerisation10. A process according to claim 8, comprising a polymerization der Monomeren mit einer bioaktiven Verbindung. 25of the monomers with a bioactive compound. 25
DE1988906761 1987-07-31 1988-07-28 POLYANHYDRIDES WITH IMPROVED HYDROLYTIC DEGRADING PROPERTIES. Pending DE368912T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/080,631 US4857311A (en) 1987-07-31 1987-07-31 Polyanhydrides with improved hydrolytic degradation properties
PCT/US1988/002569 WO1989000855A1 (en) 1987-07-31 1988-07-28 Polyanhydrides with improved hydrolytic degradation properties

Publications (1)

Publication Number Publication Date
DE368912T1 true DE368912T1 (en) 1990-12-20

Family

ID=26763738

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1988906761 Pending DE368912T1 (en) 1987-07-31 1988-07-28 POLYANHYDRIDES WITH IMPROVED HYDROLYTIC DEGRADING PROPERTIES.

Country Status (1)

Country Link
DE (1) DE368912T1 (en)

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