Patents
US 12104327 B2: Tissues and paper towels incorporating surface enhanced pulp fibers and methods of making the same
- Granted
- 2024-10-01
- Filed
- 2020-09-23 application 17754087
- Type
- Utility · 15 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Paper products can comprise a first plurality of fibers that are hardwood fibers and a second plurality of fibers that include softwood fibers and surface enhanced pulp fibers (SEPF). The paper product can include one or more first fiber layers that comprise the first fibers, at least one of the first fiber layer(s) defining one of opposing upper and lower surfaces of the paper product, and one or more second fiber layers that comprise the second fibers. When a tissue, by weight, between 50% and 80% of the tissue's fibers can be the first fibers and at least 20% of the tissue's fibers can be the second fibers. The tissue's basis weight can be less than or equal to 21 gsm per ply.
Source: PVGPATDIS, file of 2026-04-10 (ipg241001.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 |
|---|---|---|---|---|
| Bradley Langford | Fort Mill, SC | 3 | PVGPATDIS, file of 2026-04-10 | |
| David Lloyd | Fort Mill, SC | 2 | PVGPATDIS, file of 2026-04-10 | |
| Brian Ranson | Fort Mill, SC | 3 | PVGPATDIS, file of 2026-04-10 | |
| Gwen Johnston | Fort Mill, SC | 2 | PVGPATDIS, file of 2026-04-10 | |
| Dale Gary Kavalew | Fort Mill, SC | 10 | 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 | D21H27/007 | PVGPATDIS, file of 2026-04-10 |
| D21C | Production of cellulose by removing non-cellulose substances from cellulose-containing materials; regeneration of pulping liquors; apparatus therefor | D21C9/007 | PVGPATDIS, file of 2026-04-10 |
| D21D | Treatment of the materials before passing to the paper-making machine | D21D1/20 | PVGPATDIS, file of 2026-04-10 |
| D21F | Paper-making machines; methods of producing paper thereon | D21F11/14 | 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 |
| 2023-03-03 | Correction Security agreement (supplement no. 2 - 1st lien) | DOMTAR PAPER COMPANY, LLC signed 2023-03-01 RESOLUTE FP US INC. signed 2023-03-01 | BARCLAYS BANK PLC, AS COLLATERAL AGENT NEW YORK, NY | 62945/329 | ECORSEXC, file of 2026-09-25 |
| 2023-03-02 | Security interest Security interest Notes patent security agreement | DOMTAR PAPER COMPANY, LLC signed 2023-03-02 | THE BANK OF NEW YORK MELLON, AS COLLATERAL AGENT NEW YORK, NY | 62914/676 | ECORSEXC, file of 2026-09-25 |
| 2023-03-02 | Correction Security agreement (supplement no. 2 - abl) | DOMTAR PAPER COMPANY, LLC signed 2023-03-01 RESOLUTE FP US INC. signed 2023-03-01 | BARCLAYS BANK PLC, AS COLLATERAL AGENT NEW YORK, NY | 62914/333 | ECORSEXC, file of 2026-09-25 |
| 2023-03-01 | Security interest Security interest Term loan patent security agreement | DOMTAR PAPER COMPANY, LLC signed 2023-03-01 | COBANK, ACB, AS COLLATERAL AGENT GREENWOOD VILLAGE, CO | 62902/610 | PASDL, file of 2026-10-15 |
| 2022-05-09 | Assignment Assignment of assignor's interest | KAVALEW, DALE signed 2019-09-17 LLOYD, DAVID signed 2019-09-17 LANGFORD, BRADLEY signed 2019-09-20 RANSON, BRIAN signed 2019-09-20 JOHNSTON, GWEN signed 2019-11-21 | DOMTAR PAPER COMPANY, LLC FORT MILL, SC | 59869/79 | 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.