% Expired Patents = 85.7

EPO Patents = 1

Forward Citations = 1,420

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5 inventors (with patents filed for the assignee):

Dan W Verser (14 out of 21 patents)

Timothy J Eggeman (10 out of 15 patents)

Tim Eggeman (2 out of 2 patents)

4. Gal Mariansky (1 out of 1 patent)

5. Kevin Carlin (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 8329436 - Method of making propanol and ethanol from plant material by biological conversion and gasification (2012-12-11),

2. 8252567 - Method for the indirect production of butanol and hexanol (2012-08-28),

3. 8236534 - Process for producing ethanol (2012-08-07),

4. 8143444 - Recovery of organic acids (2012-03-27),

5. 8048655 - Recovery of organic acids (2011-11-01),

6. 7964379 - Process for producing ethanol (2011-06-21),

7. 7888082 - Process for producing ethanol from corn dry milling (2011-02-15),

8. 7682812 - Process for producing ethanol (2010-03-23),

9. 7601865 - Recovery of organic acids (2009-10-13),

10. 7507562 - Process for producing ethanol from corn dry milling (2009-03-24),

11. 7351559 - Process for producing ethanol (2008-04-01),

12. 7074603 - Process for producing ethanol from corn dry milling (2006-07-11),

13. 6927048 - Process for producing ethanol (2005-08-09),

14. 6509180 - Process for producing ethanol (2003-01-21),

Company Overview

Zeachem, Inc. is a biotechnology company based in Menlo Park, California, specializing in the development of advanced biofuels and biochemicals. The company focuses on converting renewable biomass into high-value products, leveraging innovative processes that enhance sustainability and reduce environmental impact. Zeachem's research encompasses various aspects of chemical engineering and renewable energy, aiming to create efficient pathways for the production of sustainable alternatives to fossil fuels and traditional chemicals.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

14 Patents

#100 in Menlo Park, CA

#5,322 in California

#22,333 in US

#42,290 in the World

Menlo Park, CA, United States of America

Zeachem, Inc.

Forward Citations = 1,420

5 inventors:

Dan W Verser (14 out of 21 patents)

Timothy J Eggeman (10 out of 15 patents)

Tim Eggeman (2 out of 2 patents)

4. Gal Mariansky (1 out of 1 patent)

5. Kevin Carlin (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zeachem, Inc.. Retrieved from https://idiyas.com/company/zeachem

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]

1 patent (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]