Patents
US 12448633 B2: Bacterial N-demthylases as biocatalysts for the production of methylxanthines
- Granted
- 2025-10-21
- Filed
- 2022-08-08 application 17883115
- Type
- Utility · 5 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present disclosure relates to mutant enzymes and bacterial strains constructed to produce paraxanthine and 7-methylxanthine from caffeine and methods for the manufacture and use thereof.
Source: PVGPATDIS, file of 2026-04-10 (ipg251021.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ALABAMA 193 patents | US company or organization | Tuscaloosa, AL | The University of Alabama College or university FUZZY medium confidence: same name (governing-board words and legal endings aside) and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Ryan Summers | Northport, AL | 2 | PVGPATDIS, file of 2026-04-10 | |
| Shelby Mills | Tuscaloosa, AL | 1 | PVGPATDIS, file of 2026-04-10 | |
| Meredith Mock | Tuscaloosa, AL | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C12P | Fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture | C12P17/14 | PVGPATDIS, file of 2026-04-10 |
| C12N | Microorganisms or enzymes; compositions thereof; propagating, preserving, or maintaining microorganisms; mutation or genetic engineering; culture media | C12N9/0071 | PVGPATDIS, file of 2026-04-10 |
| C12Y | Enzymes | C12Y114/00 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2023-03-10 | Correction Corrective assignment to correct the application number 17833115 previously recorded at reel: 061691 frame: 0945. assignor(s) hereby confirms the assignment . | MILLS, SHELBY signed 2021-10-08 MOCK, MEREDITH signed 2021-10-08 SUMMERS, RYAN M. signed 2021-10-08 | THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ALABAMA TUSCALOOSA, AL | 63025/490 | ECORSEXC, file of 2026-09-25 |
| 2022-11-08 | Assignment Assignment of assignor's interest | MILLS, SHELBY signed 2021-10-08 MOCK, MEREDITH signed 2021-10-08 SUMMERS, RYAN M. signed 2021-10-08 | THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ALABAMA TUSCALOOSA, AL | 61691/945 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.