EP 1040373 A1 20001004 - OPTICAL ELEMENTS
Title (en)
OPTICAL ELEMENTS
Title (de)
OPTISCHE ELEMENTE
Title (fr)
ELEMENTS OPTIQUES
Publication
Application
Priority
- DE 19755627 A 19971215
- EP 9808575 W 19981215
Abstract (en)
[origin: DE19755627A1] The invention relates to optical elements comprised of an optical isotropic completely aromatic polyester with a glass transition temperature Tg>/=180 DEG C.
IPC 1-7
IPC 8 full level
C08G 63/181 (2006.01); C08G 63/193 (2006.01); C09D 167/03 (2006.01)
CPC (source: EP US)
C08G 63/181 (2013.01 - EP US); C08G 63/193 (2013.01 - EP US); C09D 167/03 (2013.01 - EP US)
Citation (search report)
See references of WO 9931533A1
Designated contracting state (EPC)
AT DE FR GB IT NL SE
DOCDB simple family (publication)
DE 19755627 A1 19990701; EP 1040373 A1 20001004; US 6333821 B1 20011225; WO 9931533 A1 19990624
DOCDB simple family (application)
DE 19755627 A 19971215; EP 9808575 W 19981215; EP 98966431 A 19981215; US 58162700 A 20000615