Every debtor owning personal property in this state in which a creditor has a security interest who, with the consent of the secured party or his assignee, shall sell such collateral, or any part thereof, while the security agreement remains in force and unsatisfied, shall be deemed and conclusively held to be the trustee of the funds received upon the sale thereof, for the benefit of such secured party, or assignee, to the extent of the indebtedness secured thereby or any balance due thereof.
Okla. Stat. tit. 21, § 1834.1