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Wilmington, DE, United States of America

Butamax (Tm) Advanced Biofuels LLC

Calculating rank

USPTO Granted Patents = 28

% Expired Patents = 3.6

CIPO Patents = 1

Forward Citations = 1,154

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36 inventors (with patents filed for the assignee):

Vasantha Nagarajan (12 out of 63 patents)

Dennis Flint (11 out of 31 patents)

Andrew C Eliot (8 out of 29 patents)

4. Lori Ann Maggio-Hall (7 out of 36 patents)

5. Gail K Donaldson (6 out of 19 patents)

6. Michael G Bramucci (6 out of 35 patents)

7. Tina K Van Dyk (5 out of 18 patents)

8. Michael Charles Grady (4 out of 26 patents)

9. Robert A Larossa (4 out of 8 patents)

10. Joseph J Zaher (3 out of 27 patents)

11. Mark J Nelson (3 out of 23 patents)

12. Der-Ing Liao (3 out of 17 patents)

13. Manjari Singh (3 out of 5 patents)

14. Yougen Li (2 out of 26 patents)

15. Larry Cameron Anthony (2 out of 23 patents)

Core Competencies:

Butanol Production

Fermentation Methods

Alcohol Extraction

Yeast Strains

Microbial Tolerance

Recombinant Host Cells

Dihydroxy-Acid Dehydratase

Pyruvate Conversion

CFA Coding Region

Solvent Tolerance

Filamentous Growth

NADH Utilization

28 patents: Sort by Forward Citations

1. 8735114 - Fermentive production of four carbon alcohols (2014-05-27),

2. 8652823 - Strain for butanol production with increased membrane unsaturated trans fatty acids (2014-02-18),

3. 8637289 - Expression of hexose kinase in recombinant host cells (2014-01-28),

4. 8637281 - Enhanced dihydroxy-acid dehydratase activity in lactic acid bacteria (2014-01-28),

5. 8614085 - Yeast with increased butanol tolerance involving a multidrug efflux pump gene (2013-12-24),

6. 8557562 - Yeast with increased butanol tolerance involving filamentous growth response (2013-10-15),

7. 8557540 - Methods and systems for removing undissolved solids prior to extractive fermentation in the production of butanol (2013-10-15),

8. 8518678 - Strain comprising increased expression of a CFA coding region for butanol production (2013-08-27),

9. 8455224 - Enhanced pyruvate to 2,3-butanediol conversion in lactic acid bacteria (2013-06-04),

10. 8426174 - Method for the production of 2-butanol (2013-04-23),

11. 8426173 - Method for the production of 1-butanol (2013-04-23),

12. 8409834 - Extraction solvents derived from oil for alcohol removal in extractive fermentation (2013-04-02),

13. 8389252 - Yeast strain for production of four carbon alcohols (2013-03-05),

14. 8373009 - Recovery of butanol from a mixture of butanol, water, and an organic extractant (2013-02-12),

15. 8373008 - Recovery of butanol from a mixture of butanol, water, and an organic extractant (2013-02-12),

Company Overview

Butamax Advanced Biofuels LLC specializes in the development of advanced biofuels, focusing on the production of renewable isobutanol. The company leverages innovative fermentation technologies to convert biomass into high-value biofuels, which can serve as a sustainable alternative to traditional fossil fuels. Based in Wilmington, Delaware, Butamax aims to enhance energy security and reduce greenhouse gas emissions through its cutting-edge research and development efforts in the biofuels sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

28 Patents

#164 in Wilmington, DE

#199 in Delaware

#12,026 in US

#23,325 in the World

Wilmington, DE, United States of America

Butamax (Tm) Advanced Biofuels LLC

Forward Citations = 1,154

36 inventors:

Vasantha Nagarajan (12 out of 63 patents)

Dennis Flint (11 out of 31 patents)

Andrew C Eliot (8 out of 29 patents)

4. Lori Ann Maggio-Hall (7 out of 36 patents)

5. Gail K Donaldson (6 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Butamax (Tm) Advanced Biofuels LLC. Retrieved from https://idiyas.com/company/butamax-tm-advanced-biofuels

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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