Durable absorbent wiper
US-2021299002-A1 · Sep 30, 2021 · US
containing absorbing substances, e.g. activated carbon
containing absorbing substances, e.g. activated carbon · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D04H1/407 |
| Official title | containing absorbing substances, e.g. activated carbon |
| Display label | containing absorbing substances, e.g. activated carbon |
| Total patents | 149 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 10 |
| 2017 | 4 |
| 2018 | 13 |
| 2019 | 11 |
| 2020 | 8 |
| 2021 | 15 |
| 2022 | 23 |
| 2023 | 28 |
| 2024 | 18 |
| 2025 | 14 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-shedding hybrid nonwovens and method of producing same
US-2021262130-A1 · Aug 26, 2021 · US
Oral composition with nanocrystalline cellulose
US-2021170031-A1 · Jun 10, 2021 · US
Fleece for oral product with releasable component
US-2021169790-A1 · Jun 10, 2021 · US
Biodegradable layered composite
US-2021148022-A1 · May 20, 2021 · US
Ink absorption member and ink absorber
US-2021129541-A1 · May 6, 2021 · US
Device for impregnating particles into a non-woven fabric
US-10974274-B2 · Apr 13, 2021 · US
Fibrous Elements and Fibrous Structures Employing Same
US-2021095395-A1 · Apr 1, 2021 · US
Super Absorbent Polymer Non-Woven Fabric and Preparation Method of the Same
US-2021079571-A1 · Mar 18, 2021 · US
Device for manufacturing particulate-containing article and method for manufacturing particulate-containing article
US-10912681-B2 · Feb 9, 2021 · US
Wet non-woven fabric for filter, filter medium for filter, and filter
US-2021016213-A1 · Jan 21, 2021 · US
Fibrous elements and fibrous structures employing same
US-10895022-B2 · Jan 19, 2021 · US
Spider-silk-like polymer fiber, preparation method therefor and use thereof
US-2021010162-A1 · Jan 14, 2021 · US
Fibrous structures and methods for making same
US-10858785-B2 · Dec 8, 2020 · US
Spatially Controllable Eductor for Managing Solid Additives and Processes Using Same
US-2020309157-A1 · Oct 1, 2020 · US
Fibrous Structure-Containing Articles that Exhibit Consumer Relevant Properties
US-2020276786-A1 · Sep 3, 2020 · US
Fibrous Structure-Containing Articles that Exhibit Consumer Relevant Properties
US-2020276787-A1 · Sep 3, 2020 · US
Spatially controllable eductor for managing solid additives and processes using same
US-10683878-B2 · Jun 16, 2020 · US
Nonwoven article and method of making the same
US-2020157734-A1 · May 21, 2020 · US
Fibrous structures exhibiting improved reopenability
US-10647088-B2 · May 12, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H1/407?
- CPC D04H1/407 is the Cooperative Patent Classification code for “containing absorbing substances, e.g. activated carbon.”
- How many patents are filed under CPC D04H1/407 (containing absorbing substances, e.g. activated carbon)?
- Our database includes 149 publications tagged with this CPC code.
- Is patent activity under CPC D04H1/407 growing?
- Publication counts under this code: 18 in 2024 vs 14 in 2025 (latest complete years).