Claims
- 1. N,N'-diphenyl-3,4,5,6-tetrahydropyromellitdiimide.
- 2. N,N'-dialkyl-3,4,5,6-tetrahydropyromellitdiimides.
- 3. The N,N'-dialkyl-3,4,5,6-tetrahydropyromellitdiimide of claim 2 wherein said alkyl is methyl.
Parent Case Info
This is a Divisional Application of Ser. No. 802,168, filed May 31, 1977, now U.S. Pat. No. 4,125,536 which is a Divisional Application of Ser. No. 603,221, filed Aug. 8, 1975, now U.S. Pat. No. 4,056,542, patented Nov. 1, 1977; which is a Divisional Application of Ser. No. 360,962, filed May 16, 1973, now U.S. Pat. No. 3,932,457, patented Jan. 13, 1976. Also see related Divisional Application Ser. No. 935,201, filed Aug. 21, 1978 filed concurrently herewith.
Non-Patent Literature Citations (1)
Entry |
altman et al., Tetrahedron Suppl. #8, Pt. 1, 279-304, (1966). |
Divisions (3)
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Number |
Date |
Country |
Parent |
802168 |
May 1977 |
|
Parent |
603221 |
Aug 1975 |
|
Parent |
360962 |
May 1973 |
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