Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12146029 | Polymers enhanced with hydrated sodium sulfoisophthalic acid salts | — | 2024-11-19 |
| 9359292 | Use of an acetic acid/water solvent mixture for the preparation of low-sulfate 5-sulfoisophthalic acid, mono-lithium salt from 5-sulfoisophthalic acid | Michael Todd Coleman | 2016-06-07 |
| 9212133 | 5-sulfoisophthalic acid salts and process for the preparation thereof | — | 2015-12-15 |
| 9193677 | Metal salts of a dialkyl ester of 5-sulfoisophthalic acid and method of preparing same | — | 2015-11-24 |
| 8884045 | Use of an acetic acid wash to prepare low-sulfate 5-sulfoisophthalic acid, mono-lithium salt | Michael Todd Coleman | 2014-11-11 |
| 8809565 | 5-sulfoisophthalic acid salts and process for the preparation thereof | — | 2014-08-19 |
| 8772522 | Salts of 5-sulfoisophthalic acid and method of making same | — | 2014-07-08 |
| 8404886 | Purification of 5-sulfoisophthalic acid by the use of an acetic acid wash on a crude cake | — | 2013-03-26 |