Logo of <a href="https://en.wikipedia.org/wiki/Celanese" class="extiw" title="en:Celanese">Celanese</a>, spiral variant designed by <a href="https://en.wikipedia.org/wiki/Saul_Bass" class="extiw" title="en:Saul Bass">Saul Bass</a>
Celanese Corporation (<a rel="nofollow" class="external text" href="https://www.graphis.com/logos/d85ca5c4-4b40-11e2-ae70-f23c91dffdec/">designed by Saul Bass</a>)
<a rel="nofollow" class="external free" href="https://telcontar.net/KBK/logos/Celanese%20spiral.svgz">https://telcontar.net/KBK/logos/Celanese%20spiral.svgz</a>