Patents
US 11737994 B2: Topical compositions for pain relief, manufacture and use
- Granted
- 2023-08-29
- Filed
- 2021-09-17 application 17477820
- Type
- Utility · 22 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present invention relates to TRPV1 selective agonist compositions including a capsaicinoid, a surfactant and an extended release agent, and to methods of manufacture and methods of providing pain relief as well as treating a variety of disorders with such compositions.
Source: PVGPATDIS, file of 2026-04-10 (ipg230829.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| PROPELLA THERAPEUTICS, INC. 8 patents | US company or organization | Pittsboro, NC | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Philip J. Birbara | Town of West Hartford, CT | 17 | PVGPATDIS, file of 2026-04-10 | |
| Daniel Bucks | Millbrae, CA | 10 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61K | Preparations for medical, dental or toiletry purposes | A61K31/165 | PVGPATDIS, file of 2026-04-10 |
| A61P | Specific therapeutic activity of chemical compounds or medicinal preparations | A61P25/04 | 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 |
|---|---|---|---|---|---|
| 2025-09-25 | Assignment Assignment of assignor's interest | ASTELLAS US LLC signed 2025-09-23 | JIANGSU AOSAIKANG PHARMACEUTICAL CO., LTD. NANJING, JIANGSU | 72378/590 | ECORSEXC, file of 2026-09-25 |
| 2024-11-15 | Merger Merger | PROPELLA THERAPEUTICS, INC. signed 2024-10-23 | ASTELLAS US LLC NORTHBROOK, IL | 69281/486 | PASDL, file of 2026-10-15 |
| 2023-05-22 | Assignment Assignment of assignor's interest | VIZURI HEALTH SCIENCES LLC signed 2020-05-01 | PROPELLA THERAPEUTICS, INC. PITTSBORO, NC | 63716/610 | ECORSEXC, file of 2026-09-25 |
| 2023-05-22 | Assignment Assignment of assignor's interest | BUCKS, DANIEL signed 2015-05-22 BIRBARA, PHILIP J. signed 2016-11-15 | VIZURI HEALTH SCIENCES LLC FAIRFAX, VA | 63714/732 | 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.