Patents
US 12492512 B2: Functional paper for electronics printing and methods of making
- Granted
- 2025-12-09
- Filed
- 2022-11-02 application 17979087
- Type
- Utility · 6 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Provided herein is an uncoated functional paper formed from a slurry comprising about 10 wt % to 90 wt % cellulosic fibers and about 1% to 25% sizing solution per total weight of the fibers. The sizing solution can be applied during papermaking and/or applied in a size press or coater. The paper can be calendered at a temperature greater than 50° C. Methods of making are also provided. Also provided are flexible electronics including a functional paper substrate printed with a conductive ink.
Source: PVGPATDIS, file of 2026-04-10 (ipg251209.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| NORTH CAROLINA STATE UNIVERSITY 827 patents | US company or organization | Raleigh, NC | North Carolina State University State business registration EXACT high confidence: identical full name and state NORTH CAROLINA STATE UNIVERSITY Federal lobbying client EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
| Domtar Paper Company LLC 21 patents | US company or organization | Fort Mill, SC | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Lokendra Pal | Raleigh, NC | 26 | PVGPATDIS, file of 2026-04-10 | |
| Manoj Kumar Dixit | Matthews, NC | 1 | PVGPATDIS, file of 2026-04-10 | |
| Sachin Agate | Raleigh, NC | 1 | PVGPATDIS, file of 2026-04-10 | |
| Brian Ranson | Maysville, SC | 3 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| D21H | Pulp compositions; preparation thereof not covered by subclasses d21c or d21d; impregnating or coating of paper; treatment of finished paper not covered by class b31 or subclass d21g; paper not otherwise provided for | D21H21/16 | PVGPATDIS, file of 2026-04-10 |
| H05K | Printed circuits; casings or constructional details of electric apparatus; manufacture of assemblages of electrical components | H05K1/0386 | 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 |
|---|---|---|---|---|---|
| 2025-01-30 | Security interest Security interest Security interest | RESOLUTE FP US INC. signed 2025-01-28 EAM CORPORATION signed 2025-01-28 DOMTAR PAPER COMPANY, LLC signed 2025-01-28 | BANK MANDIRI (EUROPE) LIMITED, AS THE COLLATERAL AGENT LONDON | 70059/666 | PASDL, file of 2026-10-15 |
| 2024-11-07 | Assignment Assignment of assignor's interest | DIXIT, MANOJ KUMAR signed 2022-11-17 RANSON, BRIAN WATSON signed 2022-11-17 | DOMTAR PAPER COMPANY LLC FORT MILL, SC | 69186/651 | ECORSEXC, file of 2026-09-25 |
| 2024-11-07 | Assignment Assignment of assignor's interest | AGATE, SACHIN signed 2022-11-09 PAL, LOKENDRA signed 2022-11-18 | NORTH CAROLINA STATE UNIVERSITY RALEIGH, NC | 69186/359 | 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.