EPO Patents = 2

Trademarks = 1

Forward Citations = 84

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7 inventors (with patents filed for the assignee):

David M Anderson (8 out of 27 patents)

Douglas W Fodge (7 out of 9 patents)

Humg-Yu Hsiao (5 out of 7 patents)

4. Lin Liu (3 out of 7 patents)

5. Thomas M Pettey (2 out of 2 patents)

6. Steven D Geusz (1 out of 2 patents)

7. Russell J McCandliss (1 out of 3 patents)

10 patents: Sort by Forward Citations

1. 7914782 - Enzymes for reduced immunological stress (2011-03-29),

2. 7723091 - Composition comprising beta-mannanase (2010-05-25),

3. 6780628 - Enzyme treatment (2004-08-24),

4. 6162473 - Hemicellulase use in feeds with low caloric content (2000-12-18),

5. 616247 - Hemicellulase use in feeds with low caloric content (2000-12-19),

6. 5551515 - Hemicellulase active at extremes of Ph and temperature and utilizing the (1996-09-03),

7. 5476775 - Hemicellulase active at PH and temperature extremes (1995-12-19),

8. 5429828 - Hemicellulase supplement to improve the energy efficiency of (1995-07-04),

9. 5213972 - Fermentation process for the production of pyrimidine (1993-05-25),

10. 5151353 - Process of using bacteria that metabolize phenylacetate through mandelate (1992-09-29),

Company Overview

Chemgen Corporation, based in Gaithersburg, MD, specializes in the development and manufacturing of innovative chemical products and solutions. The company focuses on advanced materials and specialty chemicals, catering to various industries including pharmaceuticals, agriculture, and environmental applications. With a commitment to research and development, Chemgen leverages cutting-edge technologies to enhance product performance and sustainability, positioning itself as a key player in the chemical sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#48 in Gaithersburg, MD

#417 in Maryland

#29,866 in US

#56,047 in the World

Gaithersburg, MD, United States of America

Chemgen Corporation

Forward Citations = 84

7 inventors:

David M Anderson (8 out of 27 patents)

Douglas W Fodge (7 out of 9 patents)

Humg-Yu Hsiao (5 out of 7 patents)

4. Lin Liu (3 out of 7 patents)

5. Thomas M Pettey (2 out of 2 patents)

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

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]

2 patents (EPO):

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]