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Patent Assignment Assignor Details

NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : VISKASE CORPORATION

Total Assignments: 11

Assignment: 1

Reel/Frame:	005110/0462			Pages:	46
		Recorded:	06/14/1989
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

CLEAR SHIELD NATIONAL, INC.

Exec Dt:

06/01/1989

FILMCO INDUSTRIES, INC.

Exec Dt:

06/01/1989

PURE AIRE CORPORATION

Exec Dt:

06/01/1989

VISKASE CORPORATION

Exec Dt:

06/01/1989

SANDUSKY PLASTICS, INC.

Exec Dt:

06/01/1989

SANDUSKY PLASTICS OF DE, INC.

Exec Dt:

06/01/1989

VISKASE HOLDING CORPORATION

Exec Dt:

06/01/1989

VISKASE SALES CORPORATION

Exec Dt:

06/01/1989

ENVIRODYNE SUBSIDIARY, INC.

Exec Dt:

06/01/1989

VISKASE AUSTRALIA LIMITED AND VISKASE PUERTO RICO CORPORATION

Exec Dt:

06/01/1989

CONTINENTAL BANK N.A.

Exec Dt:

06/01/1989

Assignee

CONTINENTAL BANK N.A.

231 SOUTH LASALLE ST.

CHICAGO, ILLINOIS 60097

Property

Pat #

Pub #

Intl #

App #

4319899

NONE

06144693

Correspondence name and address
	MAYER, BROWN & PLATT
	190 SOUTH LA SALLE STREET
	CHICAGO, ILLINOIS 60603-3441

Assignment: 2

Reel/Frame:	005132/0012			Pages:	61
		Recorded:	06/14/1989
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

VISKASE CORPORATION

Exec Dt:

06/01/1989

Assignee

CONTINENTAL BANK N.A.

231 SOUTH LASALLE STREET

CHICAGO, ILLINOIS 60697

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
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4911963	NONE		07091172	4748036	NONE		07102686	4773127	NONE		07115721
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4985260	NONE		07326560	5028912	NONE		07362281	3942624	NONE		UNAVAILABLE
4063481	NONE		UNAVAILABLE

Correspondence name and address
	MAYER, BROWN & PLATT
	190 SOUTH LA SALLE STREET
	CHICAGO, ILL. 60603-3441

Assignment: 3

Reel/Frame:	007526/0584			Pages:	57
		Recorded:	06/28/1995
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

VISKASE CORPORATION

Exec Dt:

06/20/1995

Assignee

BT COMMERCIAL CORPORATION, AS COLLATERAL AGENT

233 SOUTH WACKER DRIVE

CHICAGO, ILLINOIS 60606

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4197983	NONE		05706353	4131137	NONE		05753818	4096282	NONE		05756248
4154857	NONE		05780224	4141487	NONE		05782324	4115594	NONE		05782959
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Correspondence name and address
	MEREDITH A. PARSONS
	KATTEN MUCHIN & ZAVIS
	525 WEST MONROE STREET
	SUITE 1600
	CHICAGO, IL 60661

Assignment: 4

Reel/Frame:	010226/0287			Pages:	28
		Recorded:	06/23/1999
Conveyance:	SECURITY INTEREST IN INTELLECTUAL PROPERTY

Assignor

VISKASE CORPORATION

Exec Dt:

06/14/1999

Assignees

CIT GROUP/BUSINESS CREDIT, INC., THE

10 SOUTH LASALLE STREET

CHICAGO, ILLINOIS 60603

GENERAL MOTORS EMPLOYEE GLOBAL GROUP PENSION TRUST, DEPARTMENT OF PENSIONS - CITY OF LOS ANGELES NAVY EXCHANGE SERVICE COMMAND RETIREMENT TRUST RAYTHEON CO. MASTER PENSION TRUST AND FIRST DATA CORPORATION MASTER RETIREMENT TRUST

C/O MAGTEN ASSET MANAGEMENT CORP.

35 EAST 21ST STREET

NEW YORK, NEW YORK 10010

D.P. KELLY & ASSOCIATES

SUITE 190

701 HARGER ROAD

OAK BROOK, ILLINOIS 60521

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4335559	NONE		06100172	4356218	NONE		06261457	4348437	NONE		06272259
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5145449	NONE		07775861	5256351	NONE		07779675	5256428	NONE		07779676
5149943	NONE		07818307	5277857	NONE		07822506	5209043	NONE		07845307
5207609	NONE		07851383	5207608	NONE		07851385	5283128	NONE		07855826
5328733	NONE		07859783	5173074	NONE		07868431	5328705	NONE		07872873
5286503	NONE		07882730	6183826	NONE		07898373	5399399	NONE		07898662
5290613	NONE		07919399	D345907	NONE		07921494	5238443	NONE		07932530
5549943	NONE		07948552	5698279	NONE		07949228	5288532	NONE		07966915
5302402	NONE		07979520	6045848	NONE		07993551	5358765	NONE		08015751
5279872	NONE		08018572	5272016	NONE		08020890	5381643	NONE		08030923
5382470	NONE		08044669	5573797	NONE		08051258	5573800	NONE		08051259
5573801	NONE		08051260	6100357	NONE		08060783	5434010	NONE		08060785
6197909	NONE		08060891	5304385	NONE		08076888	5397613	NONE		08089914
5354193	NONE		08112524	5356007	NONE		08112527	5955126	NONE		08124063
5382391	NONE		08125265	5374457	NONE		08130538	5439717	NONE		08142744
5451364	NONE		08179418	5403668	NONE		08181071	5376394	NONE		08184334
5397640	NONE		08189370	6316067	NONE		08191886	5399213	NONE		08196722
5407611	NONE		08200328	5382190	NONE		08209128	5393293	NONE		08214513
5391108	NONE		08219564	5460861	NONE		08241315	5480945	NONE		08268359
5470519	NONE		08280744	5603884	NONE		08342287	5593747	NONE		08394052
5597587	NONE		08412677	5614297	NONE		08426188	5658524	NONE		08434709
5658525	NONE		08511267	5702783	NONE		08515880	5700599	NONE		08585554
5700600	NONE		08585555	5695800	NONE		08615352	5744251	NONE		08632051
5759648	NONE		08675976	5747125	NONE		08684347	5919534	NONE		08757885
5928740	NONE		08808093	5766540	NONE		08827130	5759478	NONE		08827152
6279737	NONE		08905539	5942167	NONE		08909943	6083581	NONE		08968939
5942354	NONE		08982926	6096258	NONE		09009505	5962053	NONE		09024654
6051335	NONE		09100872	6749910	NONE		09110455	6045882	NONE		09116155
6004599	NONE		09131836	6042853	NONE		09141754	6200510	NONE		09169990
6143344	NONE		09255006	6264874	NONE		09296288

Correspondence name and address
	VEDDER, PRICE, KAUFMAN & KAMMHOLZ
	TAMMY S. SETTLE
	222 NORTH LASALLE STREET
	SUITE 2600
	CHICAGO IL 60601

Assignment: 5

Reel/Frame:	011137/0055			Pages:	7
		Recorded:	09/25/2000
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

VISKASE CORPORATION

Exec Dt:

08/31/2000

Assignee

CURWOOD, INC.

2200 BADGER AVENUE

OSHKOSH, WISCONSIN 54903

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4452835	NONE		06422079	4541226	NONE		06454481	4515745	NONE		06495656
4675364	NONE		06701232	4658962	NONE		06719292	D292888	NONE		06719297
4714638	NONE		06744680	4740400	NONE		06845166	4758463	NONE		06946721
4734327	NONE		06946722	4828891	NONE		07009980	4737391	NONE		07042085
4963419	NONE		07049242	4798751	NONE		07054920	4784863	NONE		07126336
4865780	NONE		07152715	4857408	NONE		07172831	4857399	NONE		07172832
4892603	NONE		07243133	4915963	NONE		07252409	5032463	NONE		07364034
5055328	NONE		07367832	4997690	NONE		07395672	5635261	NONE		07419061
5051266	NONE		07444588	5047253	NONE		07489393	5062252	NONE		07564231
5120553	NONE		07577702	5632843	NONE		07610918	5149943	NONE		07818307
5209043	NONE		07845307	5283128	NONE		07855826	5328705	NONE		07872873
5286503	NONE		07882730	5290613	NONE		07919399	D345907	NONE		07921494
5288532	NONE		07966915	5302402	NONE		07979520	5279872	NONE		08018572
5272016	NONE		08020890	5382470	NONE		08044669	5434010	NONE		08060785
5397613	NONE		08089914	5354193	NONE		08112524	5382391	NONE		08125265
5374457	NONE		08130538	5403668	NONE		08181071	5376394	NONE		08184334
5397640	NONE		08189370	5407611	NONE		08200328	5393293	NONE		08214513
5460861	NONE		08241315	5593747	NONE		08394052	5614297	NONE		08426188
5759648	NONE		08675976	5928740	NONE		08808093	6045882	NONE		09116155
6004599	NONE		09131836

Correspondence name and address
	LEE, MANN, SMITH, MCWILLIAMS, ET AL
	TIMOTHY J. ENGLING
	P.O. BOX 2786
	CHICAGO, IL 60690-2786

Assignment: 6

Reel/Frame:	011157/0223			Pages:	6
		Recorded:	09/25/2000
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

VISKASE CORPORATION

Exec Dt:

08/31/2000

Assignee

CURWOOD, INC.

2200 BADGER AVENUE

OSHKOSH, WISCONSIN 54903

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
6100357	NONE		08060783	6197909	NONE		08060891	6316067	NONE		08191886
6749910	NONE		09110455	6773820	NONE		09380222	6815023	NONE		09401692
6171627	NONE		09414443	6861127	US20030129434		09421605	6777046	NONE		09431931
6777047	NONE		09611192

Correspondence name and address
	LEE, MANN, SMITH, MCWILLIAMS, ET AL.
	TIMOTHY J. ENGLING
	P.O. BOX 2786
	CHICAGO, IL 60690-2786

Assignment: 7

Reel/Frame:	011327/0466			Pages:	2
		Recorded:	11/30/2000
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

VISKASE CORPORATION

Exec Dt:

10/11/2000

Assignee

CURWOOD, INC.

2200 BADGER AVENUE

OSHKOSH, WISCONSIN 54903

Property

Pat #

Pub #

Intl #

App #

6869686

NONE

09652591

Correspondence name and address
	LEE, MANN, SMITH, ET AL.
	TIMOTHY J. ENGLING
	P.O. BOX 2786
	CHICAGO, ILLINOIS 60690-2786

Assignment: 8

Reel/Frame:	012211/0571			Pages:	4
		Recorded:	10/01/2001
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

VISKASE CORPORATION

Exec Dt:

09/20/2001

Assignee

CURWOOD, INC.

4321 WEST COLLEGE AVENUE, SUITE 210

APPLETON, WISCONSIN 54914

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4863769	NONE		07042087	4863784	NONE		07054918	4976898	NONE		07384589
4988465	NONE		07469126	5059481	NONE		07501986	5256351	NONE		07779675
5256428	NONE		07779676	5439717	NONE		08142744

Correspondence name and address
	LEE, MANN, SMITH, MCWILLIAMS, ET AL
	TIMOTHY J. ENGLING
	P.O. BOX 2786
	CHICAGO, ILLINOIS 60690-2786

Assignment: 9

Reel/Frame:	012875/0736			Pages:	2
		Recorded:	05/08/2002
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

VISKASE CORPORATION

Exec Dt:

03/13/2002

Assignee

CURWOOD, INC.

2200 BADGER AVENUE

OSHKOSH, WISCONSIN 54904

Property

Pat #

Pub #

Intl #

App #

5077109

NONE

07498876

Correspondence name and address
	LEE, MANN, SMITH, ET AL.
	TIMOTHY J. ENGLING
	P.O. BOX 2786
	CHICAGO, ILLINOIS 60690-2786

Assignment: 10

Reel/Frame:	032045/0226			Pages:	6
		Recorded:	01/24/2014
Attorney Dkt #:	12510.28
Conveyance:	MERGER (SEE DOCUMENT FOR DETAILS).

Assignor

VISKASE CORPORATION

Exec Dt:

04/03/2003

Assignee

VISKASE COMPANIES, INC.

8205 S. CASS AVENUE, SUITE 115

DARIEN, ILLINOIS 60561

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
6183826	NONE		07898373	5698279	NONE		07949228	6045848	NONE		07993551
5955126	NONE		08124063	5391108	NONE		08219564	5603884	NONE		08342287
5658524	NONE		08434709	5658525	NONE		08511267	5744251	NONE		08632051
5747125	NONE		08684347	5919534	NONE		08757885	5766540	NONE		08827130
5759478	NONE		08827152	6083581	NONE		08968939	5942354	NONE		08982926
6096258	NONE		09009505	5962053	NONE		09024654	6200510	NONE		09169990
6143344	NONE		09255006	6319457	NONE		09384106	6547999	NONE		09419933
6132779	NONE		09442993	6444161	NONE		09574209	7244481	US20030008084		10142160
7001635	US20030207002		10417006	8241096	NONE		13135919

Correspondence name and address
	WINSTON & STRAWN LLP
	1700 K STREET, N.W.
	ALLAN A. FANUCCI
	WASHINGTON, DC 20006-3817

Assignment: 11

Reel/Frame:	014384/0739			Pages:	5
		Recorded:	03/02/2004
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

VISKASE CORPORATION

Exec Dt:

03/02/2004

Assignee

PATENT DEPT.

625 WILLOWBROOK CENTRE PKWY.

VISKASE COMPANIES, INC.

WILLOWBROOK, ILLINOIS 60527

Property

Pat #

Pub #

Intl #

App #

4867204

NONE

07298277

Correspondence name and address
	VISKASE COMPANIES, INC.
	DONNA BOBROWICZ
	625 WILLOWBROOK CENTRE PKWY
	WILLOWBROOK, IL 60527

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