Containing Organic -c(=o)o- Compound (e.g., Fatty Acids, Etc.) Patents (Class 44/385)
Compound of indeterminate structure prepared by reacting an organic -c(=o)o- compound (Class 44/386)
- Plural -C(=O)O- groups attached to each other directly or indirectly by nonionic bonding (e.g., polyesters, half ester-half acid compounds, etc.) (Class 44/389)
- Nitrogen attached indirectly to the -C(=O)O- group by nonionic bonding (Class 44/399)
- Chalcogen or halogen attached indirectly to the -C(=O)O- group by nonionic bonding (Class 44/400)
- Alkyl ester of formic or alkanoic acids (Class 44/401)