UCAR® graphite electrodes are covered by one or more of the following U.S. patents: US6440563; US6280663. Other U.S. and foreign patents granted or pending.
The UCAR® ALX™ graphite electrodes are covered by one or more of the following U.S. patents: US7230969; US7016394; US7301982. Other U.S. and foreign patents granted or pending.
UCAR® graphite electrodes may also be covered by one or more of the following: European Patent No. 08152184.1