Patent · US Expired

Organic polymer compound and production thereof

US5821281A · kind A · utility

0Cited by
7References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 1996
Grant dateOct 13, 1998
Priority date
Expiry dateOct 22, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F20/54
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A homopolymer of acrylic acid or methacrylic acid derivatives having the general formula: ##STR1## wherein R.sup.1 represents a hydrogen atom or methyl group; R.sup.2 is a residue of a compound having physiological activity; X is a residue of a compound having a hydroxyl group, amino group or carboxyl group at both ends in its chemical structure after bonding between such compound and acrylic or methacrylic acid, and between such compound and the physiologically active compound; and the homopolymer has a number-average molecular weight ranging from 20,000 to 200,000; and a process for the preparation thereof by a mechanochemical polymerization reaction; as well as a polymeric drug and prodrug comprising the homopolymer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.