Patent · US Expired

Catalyst-free resorbable homopolymers and copolymers

US4960866A · kind A · utility

61Cited by

10References

3Claims

0Family size

Assignee

Boehringer Ingelheim Zentrale GmbH · DE

Inventors

Dieter Bendix · Ingelheim am Rhein, DE
Gunther Entenmann · Ingelheim am Rhein, DE

Key dates

Filing date	Jan 24, 1989
Grant date	Oct 2, 1990
Priority date	—
Expiry date	Jan 24, 2009

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L31/06
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to resorbable homopolymers and copolymers which are substantially free from polymerization catalysts and processes for preparing them.

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