EP 0472834 A2 19920304 - Anisotropic spin dopes of reduced viscosity.
Title (en)
Anisotropic spin dopes of reduced viscosity.
Title (de)
Anisotrope Spinnlösung mit reduzierter Viskosität.
Title (fr)
Solution de filage anisotrope ayant une viscosité réduite.
Publication
Application
Priority
US 53843790 A 19900615
Abstract (en)
Poly-p-phenylenebenzobisthiazole and similar polymers as prepared in polyphosphoric acid can be used as spin dopes upon addition of methanesulfonic or chlorosulfonic acids.
IPC 1-7
IPC 8 full level
D01F 6/76 (2006.01); D01F 6/74 (2006.01); D01F 6/94 (2006.01)
CPC (source: EP)
D01F 6/74 (2013.01)
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
EP 0472834 A2 19920304; EP 0472834 A3 19921014; CA 2044407 A1 19911216; JP H04241111 A 19920828
DOCDB simple family (application)
EP 91109761 A 19910614; CA 2044407 A 19910612; JP 16741691 A 19910613