Patents
US 12091639 B1: Detergent sheets comprising activated charcoal with enhanced cleaning and stain removal efficacy
- Granted
- 2024-09-17
- Filed
- 2024-01-17 application 18415418
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Provided herein are detergent compositions in solid sheet form that include a detergent component and activated charcoal dispersed in the detergent sheet. The activated charcoal is lightweight, porous and has high surface area to weight ratio. The detergent component and activated charcoal work synergistically to enhance cleaning and stain removal efficacy. The detergent compositions may be a laundry detergent sheet or a toilet bowl cleaner sheet.
Source: PVGPATDIS, file of 2026-04-10 (ipg240917.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Venus Laboratories, Inc. 8 patents | US company or organization | Cypress, CA | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Jenna Arkin | Long Beach, CA | 5 | PVGPATDIS, file of 2026-04-10 | |
| Ryan K. Hood | Talbert, CA | 14 | PVGPATDIS, file of 2026-04-10 | |
| Johanna Sandoval | Ontario, CA | 1 | PVGPATDIS, file of 2026-04-10 | |
| Marlene Raigoza | Montebello, CA | 1 | PVGPATDIS, file of 2026-04-10 | |
| James W. Davis | Lacey, WA | 14 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C11D | Detergent compositions; use of single substances as detergents; soap or soap-making; resin soaps; recovery of glycerol | C11D17/06 | 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 |
|---|---|---|---|---|---|
| 2024-04-09 | Assignment Assignment of assignor's interest | ARKIN, JENNA L. signed 2024-03-28 HOOD, RYAN K. signed 2024-04-02 SANDOVAL, JOHANNA signed 2024-04-02 RAIGOZA, MARLENE signed 2024-04-02 DAVIS, JAMES W. signed 2024-03-27 | VENUS LABORATORIES, INC. CYPRESS, CA | 67051/42 | PASDL, file of 2026-10-15 |
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.