Patents
US 12709669 B2: Polymeric surface having reduced biomolecule adhesion to thermoplastic articles of such substrate
- Granted
- 2026-08-18
- Filed
- 2022-01-21 application 17581615
- Type
- Utility · 17 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A substrate is described having a treated contact surface comprising a carbon or silicon compound comprising from 1 to 30 atomic percent oxygen, from 0.1 to 30 atomic percent nitrogen, or both, each as measured by XPS. The treated contact surface has a biomolecule recovery percentage greater than the biomolecule recovery percentage of the surface before treatment according to the method.
Source: PTBLXML, file of 2026-08-18 (ipgb20260818.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| SIO2 MEDICAL PRODUCTS, INC. 69 patents | US company or organization | Auburn, AL | SIO2 MEDICAL PRODUCTS, INC. State business registration FUZZY medium confidence: same name (legal endings aside) and state SiO2 Medical Products, Inc. Form D issuer FUZZY medium confidence: same name (legal endings aside) and state | PTBLXML, file of 2026-08-18 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Ahmad Taha | Auburn, AL | 10 | PTBLXML, file of 2026-08-18 | |
| John T. Felts | Alameda, CA | 46 | PTBLXML, file of 2026-08-18 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C08J | Working-up; general processes of compounding; after-treatment not covered by subclasses c08b, c08c, c08f, c08g or c08h | C08J7/123 | PTBLXML, file of 2026-08-18 |
| B01L | Chemical or physical laboratory apparatus for general use | B01L3/5085 | PTBLXML, file of 2026-08-18 |
| C23C | Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general | C23C16/50 | PTBLXML, file of 2026-08-18 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2024-09-05 | Security interest Security interest Security interest | SIO2 MEDICAL PRODUCTS, LLC signed 2024-08-30 | OAKTREE FUND ADMINISTRATION, LLC LOS ANGELES, CA | 68849/489 | PASDL, file of 2026-10-15 |
| 2024-09-04 | Name change Change of name | SIO2 MEDICAL PRODUCTS, INC. signed 2024-08-30 | SIO2 MEDICAL PRODUCTS, LLC AUBURN,, AL | 68839/691 | PASDL, file of 2026-10-15 |
| 2023-08-09 | Security interest Security interest Security interest | SIO2 MEDICAL PRODUCTS, INC. signed 2023-08-03 | OAKTREE FUND ADMINISTRATION, LLC LOS ANGELES, CA | 64544/940 | PASDL, file of 2026-10-15 |
| 2022-12-09 | Security interest Security interest Security interest | SIO2 MEDICAL PRODUCTS, INC. signed 2022-12-07 | OAKTREE FUND ADMINISTRATION, LLC LOS ANGELES, CA | 62045/380 | PASDL, file of 2026-10-15 |
| 2022-12-07 | Security interest Security interest Security interest | SIO2 MEDICAL PRODUCTS, INC. signed 2022-12-07 | SALZUFER HOLDING INC., AS ADMINISTRATIVE AGENT TAMPA, FL | 62094/121 | PASDL, file of 2026-10-15 |
| 2022-04-05 | Assignment Assignment of assignor's interest | TAHA, AHMAD signed 2021-02-09 FELTS, JOHN T. signed 2021-01-21 | SIO2 MEDICAL PRODUCTS, INC. AUBURN, AL | 59498/454 | PASDL, file of 2026-08-13 |
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.