GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 158 539 009 patent documents

This week's update (13/09/2024 12:00 CET):

155 661 new documents added

1 150 346 documents amended

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EP 1040373 A1 20001004 - OPTICAL ELEMENTS

Title (en)

OPTICAL ELEMENTS

Title (de)

OPTISCHE ELEMENTE

Title (fr)

ELEMENTS OPTIQUES

Publication

EP 1040373 A1 20001004 (DE)

Application

EP 98966431 A 19981215

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

G02B 1/04; C08G 63/682

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