Claims
- 1. An aromatic biscyclopentadienone having the general formula ##STR5## wherein Ar is a monovalent aromatic radical selected from the group consisting of ##STR6## Ar' is a divalent aromatic radical selected from the group consisting of ##STR7## and R is a monovalent aromatic radical selected from the group consisting of ##STR8##
- 2. The compound of claim 1 wherein R is phenyl, Ar is p-phenoxyphenyl and Ar' is 1,3-phenylene.
- 3. The compound of claim 1 wherein R is phenyl, Ar is p-thiophenoxyphenyl and Ar' is 1,3-phenylene.
RIGHTS OF THE GOVERNMENT
The invention described herein may be manufactured and used by or for the Government of the United States for all governmental purposes without the payment of any royalty.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4108835 |
Arnold et al. |
Aug 1978 |
|
4131748 |
Arnold et al. |
Dec 1978 |
|