Civil Code § 3440.3

A transfer of personal property, as to which the conditions set forth in subdivision (h) of Section 3440.1, Section 3440.2, or subdivision (b) of Section 3440.5 are satisfied, shall, nevertheless, be void under Section 3440 as against a person who has purchased the personal property from the transferor and who is a “buyer in the ordinary course of business,” as defined in paragraph (9) of subdivision (b) of Section 1201 of the Commercial Code.