Patent · US Expired

Multilayer composite material

US5055345A · kind A · utility

22Cited by

4References

6Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Joachim Wank · Dormagen, DE
Walter Uerdingen · Leverkusen, DE
Lutz Schrader · Krefeld, DE
Werner Waldenrath · Cologne, DE

Key dates

Filing date	Feb 20, 1990
Grant date	Oct 8, 1991
Priority date	—
Expiry date	Feb 20, 2010

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31551
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A 0.3 to 2 mm thick multilayer composite material comprising the following layers: PA0 1st layer: 0.01 to 0.3 mm thick highly transparent thermoplastic PA0 2nd layer: 5 to 50 .mu.m thick decorative ink layer and/or 5 to 50 .mu.m thick adhesive layer PA0 3rd layer: 0.05 to 0.5 mm thick thermoplastic containing 0.1 to 30% by weight pigment PA0 4th layer: 0.05 to 0.8 mm thick highly elastic plastic containing up to 30% by weight pigment PA0 5th layer: 0.05 to 0.5 mm thick thermoplastic containing 0.1 to 30% by weight pigment PA0 6th layer: 5 to 50 .mu.m decorative ink layer and/or 5 to 50 .mu.m thick adhesive layer PA0 7th layer: 0.01 to 0.3 mm thick highly transparent thermoplastic is disclosed layers 3 and 5 being optional.

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