Patent · US Expired

Cycloolefin copolymers having high tear strength and low optical attenuation

US6214951A · kind A · utility

4Cited by

2References

18Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Michael-Joachim Brekner · Frankfurt am Main, DE
Hellmuth Deckers · Ingelheim am Rhein, DE
Frank Osan · Kelkheim, DE

Key dates

Filing date	Apr 28, 1997
Grant date	Apr 10, 2001
Priority date	—
Expiry date	Apr 28, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F4/65927
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Thermoplastic cycloolefin copolymers (COCs) having high tear strength and low optical attenuation, a process for their preparation, and their use as optical waveguides (optical fibers).

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