High modulus rubber composition comprising an effective sulfur crosslinking system
US-2020385559-A1 · Dec 10, 2020 · US
Sulfenamides
Sulfenamides · 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 | C08K5/44 |
| Official title | Sulfenamides |
| Display label | Sulfenamides |
| Total patents | 127 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 10 |
| 2017 | 9 |
| 2018 | 11 |
| 2019 | 13 |
| 2020 | 20 |
| 2021 | 10 |
| 2022 | 13 |
| 2023 | 9 |
| 2024 | 11 |
| 2025 | 9 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-modulus rubber composition comprising a vulcanization ultra-accelerator
US-2020317892-A1 · Oct 8, 2020 · US
Preparation method of rubber composition for tire and production method of tire
US-10759925-B2 · Sep 1, 2020 · US
Reinforced product comprising a composition containing a rapid vulcanization accelerator and tire comprising said reinforced product
US-10737532-B2 · Aug 11, 2020 · US
Filter Element and method for producing the same
US-10661202-B2 · May 26, 2020 · US
Rubber composition and tire using same
US-10590268-B2 · Mar 17, 2020 · US
Friction transmission belt
US-10550913-B2 · Feb 4, 2020 · US
Rubber composition
US-10525771-B2 · Jan 7, 2020 · US
Golf ball
US-2020001137-A1 · Jan 2, 2020 · US
Curable composition for sound barrier film
US-10501612-B2 · Dec 10, 2019 · US
Natural rubber composition for vehicle
US-10487900-B2 · Nov 26, 2019 · US
Mixture of N-(1,3-benzothiazol-2-ylsulfanyl)-2-methyl-cyclohexanamine and N-(1,3-benzothiazol-2-ylsulfanyl)-4-methyl-cyclohexanamine
US-10487194-B2 · Nov 26, 2019 · US
Electrically conductive rubber composition, transfer roller, and image forming apparatus
US-10474068-B2 · Nov 12, 2019 · US
Rubber composition for tire and pneumatic tire using same
US-2019309145-A1 · Oct 10, 2019 · US
Rubber composition, cover rubber for conveyor belt, and conveyor belt
US-2019292355-A1 · Sep 26, 2019 · US
Curable low sulfur liquid rubber compositions and methods of manufacturing the same
US-2019292351-A1 · Sep 26, 2019 · US
Rubber composition for tires
US-10400094-B2 · Sep 3, 2019 · US
Durable elastomeric compositions employing cyclododecasulfur as a vulcanizing agent
US-2019211161-A1 · Jul 11, 2019 · US
Pneumatic tire
US-2019193487-A1 · Jun 27, 2019 · US
Rubber Composition
US-2019126683-A1 · May 2, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K5/44?
- CPC C08K5/44 is the Cooperative Patent Classification code for “Sulfenamides.”
- How many patents are filed under CPC C08K5/44 (Sulfenamides)?
- Our database includes 127 publications tagged with this CPC code.
- Is patent activity under CPC C08K5/44 growing?
- Publication counts under this code: 11 in 2024 vs 9 in 2025 (latest complete years).