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Assignor Name : U.S. BANK NATIONAL ASSOCIATION, AS SUCCESSOR COLLATERAL AGENT TO BANK OF AMERICA, N.A. (AS SUCCESSOR TO LASALLE BANK NATIONAL ASSOCIATION)

Total Assignments: 1

Assignment: 1

Reel/Frame:	023691/0340			Pages:	13
		Recorded:	12/23/2009
Attorney Dkt #:	1155732-0137
Conveyance:	RELEASE OF SECURITY INTERESTS IN INTELLECTUAL PROPERTY

Assignor

U.S. BANK NATIONAL ASSOCIATION, AS SUCCESSOR COLLATERAL AGENT TO BANK OF AMERICA, N.A. (AS SUCCESSOR TO LASALLE BANK NATIONAL ASSOCIATION)

Exec Dt:

12/21/2009

Assignee

VISKASE COMPANIES, INC.

8205 SOUTH CASS AVENUE

SUITE 115

DARIEN, ILLINOIS 60561

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
5038832	NONE		06761675	4991260	NONE		07442469	4970758	NONE		07463768
5030486	NONE		07473549	5021252	NONE		07473550	5049399	NONE		07473553
5085890	NONE		07574850	5032416	NONE		07574971	5256458	NONE		07584563
5277858	NONE		07659544	5344679	NONE		07685950	5230651	NONE		07724058
5145449	NONE		07775861	5277857	NONE		07822506	5207609	NONE		07851383
5207608	NONE		07851385	5173074	NONE		07868431	6183826	NONE		07898373
5238443	NONE		07932530	5549943	NONE		07948552	5698279	NONE		07949228
6045848	NONE		07993551	5381643	NONE		08030923	5573797	NONE		08051258
5573800	NONE		08051259	5573801	NONE		08051260	5304385	NONE		08076888
5356007	NONE		08112527	5955126	NONE		08124063	5451364	NONE		08179418
5399213	NONE		08196722	5382190	NONE		08209128	5391108	NONE		08219564
5480945	NONE		08268359	5470519	NONE		08280744	5603884	NONE		08342287
5597587	NONE		08412677	5658524	NONE		08434709	5658525	NONE		08511267
5702783	NONE		08515880	5700600	NONE		08585555	5695800	NONE		08615352
5744251	NONE		08632051	5747125	NONE		08684347	5766540	NONE		08827130
5759478	NONE		08827152	6279737	NONE		08905539	5942354	NONE		08982926
6096258	NONE		09009505	5962053	NONE		09024654	6051335	NONE		09100872
6200510	NONE		09169990	6143344	NONE		09255006	6264874	NONE		09296288
6319457	NONE		09384106	6547999	NONE		09419933	6630214	NONE		09441517
6132779	NONE		09442993	6444161	NONE		09574209	7244481	US20030008084		10142160

Correspondence name and address
	WHITE & CASE LLP
	1155 AVENUE OF THE AMERICAS
	PATENTS & TRADEMARKS
	NEW YORK, NY 10036

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