branded vs proprietary

branded is not a noun while proprietary is a noun.

Word	Noun	Adjective	Verb	Adverb
branded	No	Yes	No	No
proprietary	Yes	Yes	No	No

branded (noun)	proprietary (noun)
	an unincorporated business owned by a single person who is responsible for its liabilities and entitled to its profits

branded (adjective)	proprietary (adjective)
marked with a brand	protected by trademark or patent or copyright; made or produced or distributed by one having exclusive rights
(of goods and merchandise) marked or labeled by a distinctive word or symbol indicating exclusive rights