(a) that has reactive functional groups other than carboxylic acid groups, aliphatic hydroxyl groups, unconjugated olefinic groups that are considered “ordinary”, butenedioic acid groups, blocked isocyanates including ketoxime-blocked isocyanates, thiols, unconjugated nitrile groups, halogens excluding reactive halogen groups such as benzylic or allylic halides, and conjugated olefinic groups present in naturally occurring fats, oils and carboxylic acids, in combined equivalent weights of less than 5 000 daltons; or
