Patents
US 12428788 B2: Molded pulp products incorporating surface enhanced pulp fibers and methods of making the same
- Granted
- 2025-09-30
- Filed
- 2020-10-07 application 17754609
- Type
- Utility · 11 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
In a particular implementation, a method of pulp product manufacture includes spraying a surface enhanced pulp fiber (SEPF) coating on at least a portion of a molded pulp product, the SEPF coating comprising SEPF having a length weighted average fiber length that is at least 0.20 millimeters (mm) and an average hydrodynamic specific surface area that is at least 10 square meters per gram (m2/g).
Source: PVGPATDIS, file of 2026-04-10 (ipg250930.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| 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 |
|---|---|---|---|---|
| Harshad Pande | Fort Mill, SC | 16 | PVGPATDIS, file of 2026-04-10 | |
| Tarik Jabrane | Fort Mill, SC | 1 | 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 | D21H11/18 | PVGPATDIS, file of 2026-04-10 |
| D21J | Fibreboard; manufacture of articles from cellulosic fibrous suspensions or from papier-mache | D21J3/00 | PVGPATDIS, file of 2026-04-10 |
| B65D | Containers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers; accessories, closures, or fittings therefor; packaging elements; packages | B65D25/34 | PVGPATDIS, file of 2026-04-10 |
| Y02W | Climate change mitigation technologies related to wastewater treatment or waste management | Y02W90/10 | 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 |
| 2022-11-04 | Correction Corrective assignment to correct the the assignor's first name in the cover sheet (from harshand ti harshad) previously recorded at reel: 059912 frame: 0311. assignor(s) hereby confirms the assignment. | JABRANE, TARIK signed 2019-10-01 PANDE, HARSHAD signed 2019-10-02 | DOMTAR PAPER COMPANY, LLC FORT MILL, SC | 61881/962 | ECORSEXC, file of 2026-09-25 |
| 2022-05-09 | Assignment Assignment of assignor's interest | JABRANE, TARIK signed 2019-10-01 PANDE, HARSHAND signed 2019-10-02 | DOMTAR PAPER COMPANY, LLC FORT MILL, SC | 59912/311 | 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.