Section 43

A buyer or lessee of collateral who acquires the collateral for value shall take the collateral free of an unperfected security interest in the collateral.

Buyer or lessee of goods sold or leased in ordinary course of business takes goods free of certain security interests 44.

A buyer of goods sold in the ordinary course of business of the seller and a lessee of goods leased in the ordinary course of business of the lessor shall take the goods free of a security interest created by the seller or lessor unless the buyer or lessee knows that the sale or lease constitutes a breach of the security agreement under which the security interest was created.