Packaging solutions
US-12582742-B2 · Mar 24, 2026 · US
with phosphorus- or sulfur-containing groups
with phosphorus- or sulfur-containing groups · 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 | C11D3/228 |
| Official title | {with phosphorus- or sulfur-containing groups} |
| Display label | with phosphorus- or sulfur-containing groups |
| Total patents | 43 |
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 | 4 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Chitosan derivatives as soil release agents
US-12570928-B2 · Mar 10, 2026 · US
Laundry care or dish care composition comprising a poly alpha-1,6-glucan derivative
US-12559701-B2 · Feb 24, 2026 · US
Laundry composition comprising carrageenan, benefit agent and sodium chloride
US-2026049261-A1 · Feb 19, 2026 · US
Laundry additive including perfume, bacterial spores and enzymes
US-2026015556-A1 · Jan 15, 2026 · US
Detergent compositions comprising ultra-low molecular weight polysaccharides
US-12503669-B2 · Dec 23, 2025 · US
Poly alpha-1,6-glucan derivatives and compositions comprising same
US-12486338-B2 · Dec 2, 2025 · US
Method for treating fabrics
US-12442131-B2 · Oct 14, 2025 · US
Functionalised polysaccharide
US-2025051690-A1 · Feb 13, 2025 · US
Moldable composition for solid washing agent and method for molding the same
US-12128123-B2 · Oct 29, 2024 · US
Films and capsules
US-2024344003-A1 · Oct 17, 2024 · US
Antifoulant compositions and method for mitigating fouling in natural gas processing equipment
US-2024336877-A1 · Oct 10, 2024 · US
Laundry care or dish care composition comprising a poly alpha-1,6-glucan derivative
US-2024228911-A1 · Jul 11, 2024 · US
Oxidized polysaccharide derivatives
US-2024199766-A1 · Jun 20, 2024 · US
Amphiphilic polysaccharide derivatives and compositions comprising same
US-12006489-B2 · Jun 11, 2024 · US
Polysaccharide derivatives for detergent compositions
US-2024150497-A1 · May 9, 2024 · US
Laundry care or dish care composition comprising a poly alpha-1,6-glucan derivative
US-11965147-B2 · Apr 23, 2024 · US
Enzyme-containing detergent composition
US-11845915-B2 · Dec 19, 2023 · US
Product comprising polysaccharide derivatives
US-11708542-B2 · Jul 25, 2023 · US
Poly Alpha-1,6-Glucan Derivatives and Compositions Comprising Same
US-2023212325-A1 · Jul 6, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D3/228?
- CPC C11D3/228 is the Cooperative Patent Classification code for “with phosphorus- or sulfur-containing groups.”
- How many patents are filed under CPC C11D3/228 (with phosphorus- or sulfur-containing groups)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC C11D3/228 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).