Variant maltohexaose-forming alpha-amylase variants
US-2025340855-A1 · Nov 6, 2025 · US
using enzymes
using enzymes · 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 | D06L4/40 |
| Official title | using enzymes |
| Display label | using enzymes |
| Total patents | 60 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 11 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Variant maltohexaose-forming α-amylase variants
US-12338467-B2 · Jun 24, 2025 · US
Compositions for facilitating the removal of a fingerprint
US-12221593-B2 · Feb 11, 2025 · US
Compositions for facilitating biological stain removal
US-12195704-B2 · Jan 14, 2025 · US
Bioactive protein-polymer compositions for stain removal
US-12134751-B2 · Nov 5, 2024 · US
Variant maltohexaose-forming alpha-amylase variants
US-2024327814-A1 · Oct 3, 2024 · US
Cleaning compositions containing dispersins ii
US-2024218299-A1 · Jul 4, 2024 · US
Methods of facilitating removal of a fingerprint
US-2024158722-A1 · May 16, 2024 · US
Variant maltohexaose-forming alpha-amylase variants
US-11898177-B2 · Feb 13, 2024 · US
Methods of facilitating removal of a fingerprint
US-11834635-B2 · Dec 5, 2023 · US
Bioactive materials
US-2023374420-A1 · Nov 23, 2023 · US
Enzyme for easy-cleaning of stains
US-2023235251-A1 · Jul 27, 2023 · US
Bioactive protein-polymer compositions for stain removal
US-11692156-B2 · Jul 4, 2023 · US
Compositions for facilitating biological stain removal
US-11624044-B2 · Apr 11, 2023 · US
Bioactive protein-polymer compositions
US-11254898-B2 · Feb 22, 2022 · US
Variant maltohexaose-forming alpha-amylase variants
US-2022002696-A1 · Jan 6, 2022 · US
Alpha-amylases with mutations that improve stability in the presence of chelants
US-2021355469-A1 · Nov 18, 2021 · US
Methods of facilitating removal of a fingerprint
US-2021253980-A1 · Aug 19, 2021 · US
Use of Polypeptide
US-2021230517-A1 · Jul 29, 2021 · US
Process for the production of a dyed fabric using enzyme aggregates
US-2021180243-A1 · Jun 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D06L4/40?
- CPC D06L4/40 is the Cooperative Patent Classification code for “using enzymes.”
- How many patents are filed under CPC D06L4/40 (using enzymes)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC D06L4/40 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).