Acetylene terminated aromatic amide monomers
US4845286A · kind A · utility
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Key dates
| Filing date | Aug 24, 1987 |
| Grant date | Jul 4, 1989 |
| Priority date | — |
| Expiry date | Aug 24, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C317/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided is an acetylene-terminated aromatic amide compound of the formula ##STR1## wherein X is --O-- or --S--, Z is --O--, --S--, --SO.sub.2 --, or --CO--, and R is --H or --C.tbd.CH in the ortho, meta or para position, wherein at least one R is --.tbd.CH.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.