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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: 159 515 718 patent documents

This week's update (01/11/2024 12:00 CET):

154 531 new documents added

1 078 520 documents amended

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EP 0267984 B1 19910206 - PROCESS FOR PRODUCING AROMATIC POLYESTER FIBER

Title (en)

PROCESS FOR PRODUCING AROMATIC POLYESTER FIBER

Publication

EP 0267984 B1 19910206 (EN)

Application

EP 86116011 A 19861118

Priority

JP 29492785 A 19851225
JP 20931485 A 19850921

Abstract (en)

[origin: EP0267984A1] Aromatic polyester fibers superior in strength and in elastic modulus can be produced economically or at low costs by using a dehumidified oxygen-containing atmospheric gas for the heat-treatment of melt-spun fibers of an aromatic polyester exhibiting anisotropy in the molten state.

IPC 1-7

D01F 6/62; D01D 10/02; D01F 6/84

IPC 8 full level

D01D 1/04 (2006.01); D01D 10/02 (2006.01); D01F 6/62 (2006.01); D01F 6/84 (2006.01); D02J 13/00 (2006.01); D06B 3/02 (2006.01)

CPC (source: EP)

D01D 10/02 (2013.01); D01F 6/62 (2013.01); D01F 6/84 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0267984 A1 19880525; EP 0267984 B1 19910206; JP H06104930 B2 19941221; JP S62156313 A 19870711; JP S6269821 A 19870331

DOCDB simple family (application)

EP 86116011 A 19861118; JP 20931485 A 19850921; JP 29492785 A 19851225