Patents
US 11584833 B2: Biodegradable textiles, masterbatches, and method of making biodegradable fibers
- Granted
- 2023-02-21
- Filed
- 2020-03-10 application 16813883
- Type
- Utility · 26 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A masterbatch is disclosed, along with associated methods, and biodegradable filaments, fibers, yarns and fabrics. The masterbatch includes 0.2 to 5 mass % CaCO3, an aliphatic polyester with a repeat unit having from two to six carbons in the chain between ester groups, with the proviso that the 2 to 6 carbons in the chain do not include side chain carbons, and a carrier polymer selected from the group consisting of PET, nylon, other thermoplastic polymers, and combinations thereof.
Source: PVGPATDIS, file of 2026-04-10 (ipg230221.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| INTRINSIC ADVANCED MATERIALS, LLC 3 patents | US company or organization | Gastonia, NC | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Andrea Ferris | Hayward, CA | 3 | PVGPATDIS, file of 2026-04-10 | |
| Alan McIntosh | Hayward, CA | 3 | PVGPATDIS, file of 2026-04-10 | |
| Sudeep Motupalli Rao | Santa Rosa, CA | 3 | PVGPATDIS, file of 2026-04-10 | |
| Robert Alton Usher, Jr. | Charlotte, NC | 11 | PVGPATDIS, file of 2026-04-10 |
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 | C08J3/226 | PVGPATDIS, file of 2026-04-10 |
| A41D | Outerwear; protective garments; accessories | A41D31/06 | PVGPATDIS, file of 2026-04-10 |
| C08K | Use of inorganic or non-macromolecular organic substances as compounding ingredients | C08K3/26 | PVGPATDIS, file of 2026-04-10 |
| C08L | Compositions of macromolecular compounds | C08L67/02 | PVGPATDIS, file of 2026-04-10 |
| D01F | Chemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons; apparatus specially adapted for the manufacture of carbon filaments | D01F1/10 | PVGPATDIS, file of 2026-04-10 |
| D04H | Making textile fabrics, e.g. from fibres or filamentary material ; fabrics made by such processes or apparatus, e.g. felts, non-woven fabrics; cotton-wool; wadding ; ; non-woven fabrics from staple fibres, filaments or yarns, bonded with at least one web-like material during their consolidation | D04H1/4291 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
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.