Amine Or Amide (252/525) Patents (Class 510/FOR158)

Foreign Patent Art Collections

Sulfur or phosphorus containing (252/526) (Class 510/FOR159)
Soluble carboxylic acid or salt (252/527) (Class 510/FOR160)
Quaternary or amine oxide (252/528) (Class 510/FOR161)
Hydroxy (252/529) (Class 510/FOR162)

There are no patents to show for this class.