Oligomeric hydroxycarboxylic acid derivatives, their production

Details Oligomeric hydroxycarboxylic acid derivatives, their production Oligomeric hydroxycarboxylic acid derivatives, their production

1983-12-16

1989-01-31

Moyer, Donald B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

G07C 6966

Patent

active

048017396

ABSTRACT:
A product of an oligomer derived from glycolic acid and/or lactic acid, the oligomer having a molecular weight of from 500 to 10,000, the free carboxylic acid group of the oligomer being at least partially in the form of an amide with an amino acid or an ester with a sterol may be used as a matrix material for depot forms, containing pharmacologically active agents.

REFERENCES:
patent: 2362511 (1944-11-01), Teeters
patent: 3141030 (1964-07-01), Buddemeyer et al.
patent: 3440241 (1969-04-01), Siddall
patent: 3773919 (1973-11-01), Boswell et al.
patent: 4011312 (1977-03-01), Reuter et al.
Barber et al, Laboratory Practice, Apr. 1964, pp. 322-326.
Ojima et al, Chemistry Letters, 81, No. 6, Jun. 1981, pp. 823-826.

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