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EP 0283072 A3 19900516 - ALVEOLAR SHEET OF POLYCARBONATE

Title (en)

ALVEOLAR SHEET OF POLYCARBONATE

Publication

EP 0283072 A3 19900516 (EN)

Application

EP 88200354 A 19880225

Priority

IT 2116987 U 19870318

Abstract (en)

[origin: EP0283072A2] Alveolar sheet of polycarbonate comprising a first outer wall (2) and a second outer wall (3) jointed together by equidistant perpendicular baffles (4). At least one of said two outer wall (2.3) and said perpendicular baffles (4) comprise a layer of polycarbonate to which an U.V. light neutralizing substance is added.

IPC 1-7

B29D 24/00

IPC 8 full level

E04C 2/54 (2006.01); E06B 3/67 (2006.01)

CPC (source: EP)

E04C 2/543 (2013.01); E06B 3/6715 (2013.01)

Citation (search report)

[X] EP 0110221 A2 19840613 - ROEHM GMBH [DE]
[X] DE 3414116 A1 19851024 - BAYER AG [DE]
[A] EP 0054856 A1 19820630 - BAYER AG [DE]
[A] US 4114597 A 19780919 - ERB ROBERT ALLAN

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0283072 A2 19880921; EP 0283072 A3 19900516; IT 210076 Z2 19881114; IT 8721169 V0 19870318

DOCDB simple family (application)

EP 88200354 A 19880225; IT 2116987 U 19870318