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Chicago, IL, United States of America

Viskase Corporation

USPTO Granted Patents = 190

% Expired Patents = 0.53

CIPO Patents = 6

Trademarks = 12

Forward Citations = 2,832

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103 inventors (with patents filed for the assignee):

Stephen J Vicik (31 out of 46 patents)

Stanley Lustig (28 out of 40 patents)

Jeffrey M Schuetz (25 out of 28 patents)

4. Myron D Nicholson (23 out of 41 patents)

5. Jeffery A Oxley (17 out of 18 patents)

6. Vytautas Kupcikevicius (13 out of 33 patents)

7. Paul Edmund Ducharme, Jr (10 out of 10 patents)

8. Darrel L Wilhoit (10 out of 13 patents)

9. Edward Makoto Kajiwara (9 out of 11 patents)

10. James R Hansen (8 out of 10 patents)

11. Jerome J Rasmussen (8 out of 13 patents)

12. Vytas A Raudys (7 out of 18 patents)

13. Rama Ramagopal (7 out of 7 patents)

14. Shiu-Chung Jon (6 out of 6 patents)

15. Nancy M Mack (6 out of 6 patents)

Core Competencies:

Cellulose Casing

Food Packaging

Antimicrobial Composition

Heat Shrinkable Film

Biaxially Oriented Film

Multilayer Film

Fibrous Casing

Colorant Compositions

Extrusion Method

Shrinkable Bag

Thermoplastic Film

Packaging Solutions

190 patents: Sort by Forward Citations

1. 7001635 - Process for improving smoky color of an encased food product (2006-02-21),

2. 6630214 - Improving rewet shrink properties of casing (2003-10-07),

3. 6565796 - Method and apparatus for use in manufacture of cellulose casing (2003-05-20),

4. 6547999 - Cellulose food casing, cellulose composition and production method therefor (2003-04-15),

5. 6444161 - Mandrel structure for use in manufacture of cellulose food casing (2002-09-03),

6. 6319457 - Method for extruding tubular film (2001-11-20),

7. 6279737 - Food casing package and method of preparing (2001-08-28),

8. 6264874 - Method of controlling the diameter of a clear extruded tube (2001-07-24),

9. 6200510 - Method for the contact printing of cellulose food casings (2001-03-13),

10. 6183826 - Colored cellulosic casing with clear corridor (2001-02-06),

11. 6143344 - Bixin colorant compositions (2000-11-07),

12. 6132779 - Method for removing cellulosic casings from sausages (2000-10-17),

13. 6100357 - Heat shrinkable very low density polyethylene terpolymer film (2000-08-08),

14. 6096258 - Method and apparatus for forming a cellulose article including solvent (2000-08-01),

15. 6083581 - Cellulase resistant cellulose casing and process (2000-07-04),

Company Overview

Viskase Corporation, headquartered in Chicago, IL, specializes in innovative food casing technology, focusing on enhancing food preservation and presentation. The company develops a range of products including cellulose casing, fibrous casing, and various multilayer films designed for food packaging applications. Their expertise extends to antimicrobial compositions and heat shrinkable films, which are essential for maintaining food quality and safety. Viskase's commitment to advancing food technology positions it as a leader in the food packaging industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

190 Patents

#40 in Chicago, IL

#136 in Illinois

#2,163 in US

#4,430 in the World

Chicago, IL, United States of America

Viskase Corporation

Forward Citations = 2,832

103 inventors:

Stephen J Vicik (31 out of 46 patents)

Stanley Lustig (28 out of 40 patents)

Jeffrey M Schuetz (25 out of 28 patents)

4. Myron D Nicholson (23 out of 41 patents)

5. Jeffery A Oxley (17 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Viskase Corporation. Retrieved from https://idiyas.com/company/viskase

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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