Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258325 | Color stabilization of monomers and other reactants for forming bio-based polymers | Erik Hagberg, Chi-Cheng Ma | 2025-03-25 |
| 11420952 | Organotin catalysts in esterification processes of furan-2,5-dicarboxylic acid (FDCA) | Stuart Fergusson | 2022-08-23 |
| 10947208 | Organotin catalysts in esterification processes of furan-2,5-dicarboxylic acid (FDCA) | Stuart Fergusson | 2021-03-16 |
| 10519124 | Synthesis of R-glucosides, sugar alcohols, reduced sugar alcohols, and furan derivatives of reduced sugar alcohols | Chi-Cheng Ma, Kevin Martin | 2019-12-31 |
| 10155736 | Esterification of 2,5-furan-dicarboxylic acid | Padmesh Venkitasubramanian | 2018-12-18 |
| 10118886 | Biofuels production from bio-derived carboxylic-acid esters | Padmesh Venkitasubramanian | 2018-11-06 |
| 10081611 | Method for acid-catalyzed acylation of the reduction products of 5-hydroxymethyl furfural | — | 2018-09-25 |
| 10023586 | Enhanced regio-selectivity in glycol acylation | Erik Hagberg, Erin Rockafellow | 2018-07-17 |
| 9969704 | Phosphonic acid catalyst in dehydrative cyclization of 5 and 6 carbon polyols with improved color and product accountability | Erik Hagberg | 2018-05-15 |
| 9920003 | Non-ionic amphiphiles and methods of making the same | — | 2018-03-20 |
| 9914713 | Hydrogenation products from biologically-derived carboxylic-acid esters | Padmesh Venkitasubramanian | 2018-03-13 |
| 9890131 | Direct synthesis of bio-based alkyl and furanic diol ethers, acetates, ether-acetates, and carbonates | Padmesh Venkitasubramanian | 2018-02-13 |
| 9856195 | Phosphonic acid catalyst in dehydrative cyclization of 5 and 6 carbon polyols with improved color and product accountability | Alexandra Sanborn, Stephen Howard, Erik Hagberg | 2018-01-02 |
| 9834531 | Use of carboxylic acids and furanic molecules for esterification | Padmesh Venkitasubramanian | 2017-12-05 |
| 9828387 | Control of color-body formation in isohexide esterification | Erik Hagberg, Erin Rockafellow | 2017-11-28 |
| 9802950 | Mono-ethers of isohexides and process for making the same | — | 2017-10-31 |
| 9765045 | Esterification of 2,5-furan-dicarboxylic acid | Padmesh Venkitasubramanian | 2017-09-19 |
| 9670174 | Mono- and dialkyl ethers of furan-2,5-dimethanol and (tetra-hydrofuran-2,5-diyl)dimethanol and amphiphilic derivatives thereof | — | 2017-06-06 |
| 9630974 | Process for acid dehydration of sugar alcohols | Erik Hagberg, Stephen Howard, Erin Rockafellow | 2017-04-25 |
| 9487537 | Synthesis of isohexide dicarbamates and derivatives thereof | — | 2016-11-08 |
| 9463448 | Diallyl ethers of anhydrohexitols and processes for making the same | — | 2016-10-11 |
| 9464026 | Recovering and using carboxylic acids from a fermentation broth | Padmesh Venkitasubramanian | 2016-10-11 |
| 9422304 | Synthesis of isohexide dicarbamates and derivatives thereof | — | 2016-08-23 |
| 9388116 | Alcohol-mediated esterification of carboxylic acids with carbonates | Mitchell Schultz, Padmesh Venkitasubramanian | 2016-07-12 |
| 9321784 | Hydrogenation of isohexide products for improved color | Erik Hagberg, Erin Rockafellow, Brennan Smith | 2016-04-26 |