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.
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4131625 | Arnold et al. | Dec 1978 | |
4147868 | Arnold et al. | Apr 1979 | |
4263461 | Reinhardt et al. | Apr 1981 | |
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Entry |
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K. Ishizu et al., J. Polymer Sci.: Polymer Chem. Ed., 20, 2851-2862, (1982), New Acetylene-Terminated Quinoxaline Oligomers. |