Polymers containing spiro atoms and methods of using the same as

Details Polymers containing spiro atoms and methods of using the same as Polymers containing spiro atoms and methods of using the same as

1997-03-04

1998-06-09

Acquah, Samuel A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528403, 528405, 528406, 528408, 528420, 528423, 528425, 558 46, 4273855, 428221, 428704, 428917, C07C 2200, C08G 5900

Patent

active

057636362

ABSTRACT:
Polymers containing spiro atoms which can be used as electroluminescence materials, suitable for use in ligerting or display devices, and which improve the property profile of these devices. Specifically, a conjugated polymer comprising structural units of the formula (I), ##STR1## where the symbols and indices have the following meanings: D, E, F.sup.1, G are identical or different, and are --CR.sup.1 R.sup.1 --, --O--, --S--, --NR.sup.3 -- or a chemical bond;

REFERENCES:
patent: 3172862 (1965-03-01), Gurnee et al.
patent: 5026894 (1991-06-01), Tour et al.
patent: 5621131 (1997-04-01), Kreuder et al.
J.M. Tour et al., J. Am. Chem. Soc., vol. 112 (1990), pp. 5662-5663.
J.M. Tour et al., J. Am. Chem. Soc., vol. 113 (1991), pp. 7064-7066.
J.M. Tour et al., J. Am. Chem. Soc. (1990), pp. 408-409.

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