Protection of Buyers of Goods

(1)A buyer in ordinary course of business (subdivision

(9)of Section 1201) takes free of a security interest created by his seller even though the security interest is perfected and even though the buyer knows of its existence.

(2)A buyer other than a buyer in ordinary course of business (subdivision

(1)of this section) takes free of a security interest to the extent that it secures future advances made after the secured party acquires knowledge of the purchase, unless made pursuant to a commitment entered into without knowledge of the purchase.