INVENTORY TRADEMARK LICENSE AGREEMENT

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                                                                   Exhibit 10.16

                      INVENTORY TRADEMARK LICENSE AGREEMENT

     This Inventory Trademark License Agreement ("Agreement") is made and
entered into this 14th day of April, 2006, by and between Abbott Laboratories, a
corporation organized and existing under the laws of the State of Illinois and
having a principal place of business at 100 Abbott Park Road, Abbott Park,
Illinois 60064 ("Licensor") and ImaRx Therapeutics, Inc., a corporation
organized and existing under the laws of Delaware and having a principal place
of business at 1635 East 18th Street, Tucson, Arizona 85719 ("Licensee").

     WHEREAS, Licensor and Licensee (each a "Party" and, collectively, the
"Parties") have entered into an Asset Purchase Agreement dated April 10, 2006
(the "Asset Purchase Agreement"), pursuant to which Licensee has agreed to
acquire, and Licensor has agreed to sell, certain assets of the Licensor's
pharmaceutical products division;

     WHEREAS, the assets to be transferred include an Inventory of the Products
(as defined in the Asset Purchase Agreement); and

     WHEREAS, Licensee desires to obtain a trademark and trade name license to
promote, market and sell certain Products existing as of the Closing Date (as
defined in the Asset Purchase Agreement); and

     WHEREAS, Licensor is willing to grant such a license upon the terms and
conditions set forth below.

     NOW, THEREFORE, in consideration of entering into the Asset Purchase
Agreement and the mutual agreements and undertakings contained herein and for
other good and valuable consideration (the receipt and sufficiency of which is
hereby acknowledged), the Parties agree as follows.

1. DEFINITIONS:

     Capitalized terms used in this Agreement and not otherwise defined herein
shall have the meanings assigned to them in the Asset Purchase Agreement. For
purposes of this Agreement, the following words and phrases shall have the
following meanings:

     1.1 "Licensed Marks" shall mean: those trademarks identified on Schedule 1
attached hereto.

     1.2 "Losses" shall mean all damages, liabilities, costs and expenses,
including settlement and arbitration costs and reasonable attorneys' fees and
costs.

     1.3 "Territory" shall mean, for each Licensed Mark, each of those
territories in which Licensor or its Affiliates owns or possesses rights to such
Licensed Mark.

2. GRANT


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     2.1 During the term of this Agreement, and subject to the terms and
conditions hereof and of the Asset Purchase Agreement, the Licensor hereby
grants to the Licensee, in the Territory, an exclusive, fully paid-up,
non-transferable and non-assignable license, without the right to sublicense
("Inventory Trademark License"), to use the Licensed Marks solely in connection
with the promotion, marketing and sale of the Inventory in the Territory.

     2.2 Notwithstanding anything else in this Agreement to the contrary, absent
Licensor's express prior written consent, Licensee's use of the Licensed Marks
shall cease at the end of the earlier of (i) the completion of the sale of all
Inventory by Licensee, and (ii) the date upon which the expiration date for all
Inventory has expired, at which time the Inventory Trademark License shall
automatically terminate without further action by either Party and Licensee
shall cease all use of the Licensed Marks, except for commercially reasonable
ancillary use to the extent required for regulatory purposes relating to the
Inventory for a period of up to 24 months after the termination of this
Agreement.

     2.4 Without the prior written consent of Licensor, Licensee shall have no
power or right to, and shall not, sell, assign, sublicense or otherwise transfer
the Inventory Trademark License to any Person, including by a change of control
of Licensee, or by operation of law, except for (i) sublicensing, with
Licensor's prior written consent, within Licensee's trade channels solely for
the purposes of selling and marketing the Inventory, and (ii) to any permitted
assignee of Licensee's rights and obligations under the Asset Purchase Agreement
to the extent permitted therein.

     2.5 Licensee shall comply with all applicable laws, rules, regulations,
ordinances, permits and licenses when exercising its rights under this
Agreement, including in the manufacture, promotion, marketing and sale of
Products.

3. PROTECTION OF THE LICENSED MARKS

     3.1 Licensee understands and agrees that (a) Licensee shall not directly or
indirectly challenge Licensor's sole and exclusive ownership of all right, title
and interest in and to the Licensed Marks, including the goodwill associated
therewith, and (b) all goodwill arising from the use of the Licensed Marks shall
inure solely to the benefit of Licensor. Furthermore, Licensee shall not assist
any third party in challenging Licensor's right, title and interest in and to
the Licensed Marks.

     3.2 Nothing contained in this Agreement shall be construed as an assignment
to the Licensee of any right, title or interest in the Licensed Marks, it being
understood that all rights, title and interests relating to the Licensed Marks
are expressly reserved by the Licensor except for the rights being expressly
licensed hereunder.

     3.3 No right or license as to any of Licensor's intellectual property or
products is being granted hereunder, except as expressly provided herein.

     3.4 Licensee shall not use the Licensed Marks other than as permitted
hereunder and, in particular, shall not incorporate Licensor's name or the
Licensed Marks in Licensee's


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corporate or business name in any manner whatsoever. In using the Licensed
Marks, Licensee will in no way represent that it has any rights, title or
interest in the Licensed Marks other than those expressly granted under the
terms of this Agreement, and Licensee shall not represent itself as an
"authorized representative of," or indicate in any other way any affiliation
with, Licensor.

     3.5 Licensor shall, at its expense, use commercially reasonable efforts to
maintain in full force and effect all existing registrations of the Licensed
Marks until the termination of this Inventory Trademark License. Licensee shall,
at Licensor's expense, take all actions reasonably requested by Licensor to
assist Licensor in defending or prosecuting any action or suit relating to the
Licensed Marks as used in connection with this Agreement.

     3.6 Licensee shall notify Licensor promptly if Licensee learns of any
infringement or pending or threatened litigation involving the Licensed Marks as
used in connection with this Agreement.

     3.7 Licensee agrees not to adopt or use any trade name or trademark which
is confusingly similar or likely to cause confusion with the Licensed Marks.
Furthermore, Licensee agrees not to seek registration of any of the Licensed
Marks or any trade name or trademark confusingly similar thereto.

4 QUALITY CONTROL

     4.1 Licensee shall use the Licensed Marks only with respect to the
promotion, marketing and sale of the Inventory as provided herein, and shall not
affix any Licensed Marks to any products other than Products, or use any
Licensed Marks in connection with any service (other than as necessary to market
and sell Products).

     4.2 All Products promoted, marketed and sold by Licensee under the Licensed
Marks shall be of the same quality as the Products sold by Licensor under the
Licensed Marks imm