Patent · US Expired

Transparent composite plate system

US5523168A · kind A · utility

6Cited by

3References

6Claims

0Family size

Assignee

Rohm GmbH Chemische Fabrik · DE

Inventors

Werner Siol · Pfungstadt, DE
Klaus Koralweski · Riedstadt, DE
Hans Lorenz · Darmstadt, DE
Michael Meier-Kaiser · Pfungstadt, DE

Key dates

Filing date	Jan 24, 1994
Grant date	Jun 4, 1996
Priority date	—
Expiry date	Jan 24, 2014

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31938
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The invention relates to transparent composite plate systems of a) at least two acrylic glass exterior plates S, S' with a thickness of at least 2 mm and parallel surfaces, and b) an intermediate layer Z containing a thermoplastically processable elastomer E, whereby the elastomer E contains from 60-100% by weight of a comb polymer KP, which itself contains from 50 to 5% by weight of at least one polymethyl methacrylate macromonomer of Formula I ##STR1## and from 95 to 50% by weight of alkyl acrylates of Formula II ##STR2## wherein R and R.sub.4 are defined in the claims.

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