Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfonate esters
Patent
1995-10-12
1997-04-15
Acquah, Samuel A.
Organic compounds -- part of the class 532-570 series
Organic compounds
Sulfonate esters
528403, 528405, 528406, 528408, 528420, 528423, 528425, C07C 2200, C08G 5900
Patent
active
056211317
ABSTRACT:
Conjugated polymers comprising recurring units of the formula (I), ##STR1## A, B, C, D are identical or different and are each from one to fifteen identical or different arylene and/or heteroarylene and/or vinylene groups which, like the spirobifluorene skeleton itself, may be unsubstituted or substituted;
Kreuder Willi
Lupo Donald
Salbeck Josef
Schenk Hermann
Stehlin Thomas
Acquah Samuel A.
Hoechst Aktiengesellschaft
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