Patent · US Expired

Surface finishing of sheets made from thermoplastics

US5868983A · kind A · utility

3Cited by

0References

3Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Herbert Vogl · Cologne, DE
Jurgen Rohner
Jurgen Hattig · Odenthal, DE

Key dates

Filing date	Oct 23, 1997
Grant date	Feb 9, 1999
Priority date	—
Expiry date	Oct 23, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2475/00
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The present invention provides a process for surface finishing sheets made from thermoplastics by applying a partially fused layer of thermoplastic polyurethane.

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