Turkey collagen hydrolysates and methods of making
US-12520859-B2 · Jan 13, 2026 · US
Products derived from waste materials, e.g. horn, hoof or hair
Products derived from waste materials, e.g. horn, hoof or hair · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08L89/04 |
| Official title | Products derived from waste materials, e.g. horn, hoof or hair |
| Display label | Products derived from waste materials, e.g. horn, hoof or hair |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mesenchymal stem cell-derived extracellular vesicle compositions and uses thereof
US-2025339587-A1 · Nov 6, 2025 · US
Non-immunogenic tissue augmentation formulation and method for fabrication
US-2025249145-A1 · Aug 7, 2025 · US
Methods and formulations for crosslinking hair or other keratin fibers using oxidized sugars as crosslinking agents
US-12364658-B2 · Jul 22, 2025 · US
Compositions and methods for macrophage conversion
US-2024399022-A1 · Dec 5, 2024 · US
Method of reinforcement for keratin materials
US-12049026-B2 · Jul 30, 2024 · US
Compositions and methods for macrophage conversion
US-11969517-B2 · Apr 30, 2024 · US
Silk fibroin biocompatible polyurethane membranes
US-2023355839-A1 · Nov 9, 2023 · US
Method for producing a part from a particulate natural material and part obtained by such a method
US-11701804-B2 · Jul 18, 2023 · US
Silk fibroin biocompatible polyurethane membranes
US-11684695-B2 · Jun 27, 2023 · US
Keratin Filament Networks
US-2023192762-A1 · Jun 22, 2023 · US
Composite scaffold material
US-2023158212-A1 · May 25, 2023 · US
Turkey collagen hydrolysates and methods of making
US-2023056848-A1 · Feb 23, 2023 · US
Methods and formulations for crosslinking hair or other keratin fibers using oxidized sugars as crosslinking agents
US-2023000748-A1 · Jan 5, 2023 · US
Method of reinforcement for keratin materials
US-2022080628-A1 · Mar 17, 2022 · US
Liquid Crystalline Collagen Materials and Use in Connective Tissue Repair
US-2022001077-A1 · Jan 6, 2022 · US
Compositions and methods for macrophage conversion
US-2021361825-A1 · Nov 25, 2021 · US
Methods for inducing macrophage conversion in a wound
US-11083818-B2 · Aug 10, 2021 · US
Coatings and biomedical implants formed from keratin biomaterials
US-10821211-B2 · Nov 3, 2020 · US
Method for producing a part from a particulate natural material and part obtained by such a method
US-2020316825-A1 · Oct 8, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08L89/04?
- CPC C08L89/04 is the Cooperative Patent Classification code for “Products derived from waste materials, e.g. horn, hoof or hair.”
- How many patents are filed under CPC C08L89/04 (Products derived from waste materials, e.g. horn, hoof or hair)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC C08L89/04 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).