Modified conjugated diene-based polymer, modified rubber composition containing same, and method for preparing modified conjugated diene-based polymer
US-2016355612-A1 · Dec 8, 2016 · US
Incorporating nitrogen atoms into the molecule
Incorporating nitrogen atoms into the molecule · 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 | C08C19/22 |
| Official title | Incorporating nitrogen atoms into the molecule |
| Display label | Incorporating nitrogen atoms into the molecule |
| Total patents | 865 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 40 |
| 2016 | 64 |
| 2017 | 91 |
| 2018 | 99 |
| 2019 | 102 |
| 2020 | 104 |
| 2021 | 80 |
| 2022 | 97 |
| 2023 | 64 |
| 2024 | 57 |
| 2025 | 58 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Anionic polymerization initiator having anionic terminal comprising amine group, production method for modified conjugated diene-based copolymer using same, and rubber composition comprising modified conjugated diene-based copolymer produced in accordance therewith
US-2016347877-A1 · Dec 1, 2016 · US
Conjugated diene polymer and method of production of conjugated diene polymer
US-2016326274-A1 · Nov 10, 2016 · US
Polyhemiaminal and polyhexahydrotriazine materials from 1,4 conjugate addition reactions
US-9458299-B1 · Oct 4, 2016 · US
Rubber composition comprising a 1,3-dipolar compound additive bearing an imidazole functional group
US-2016263943-A1 · Sep 15, 2016 · US
Modified conjugated diene rubber, method for producing same, and rubber composition
US-9434792-B2 · Sep 6, 2016 · US
1,3-dipolar compound bearing an imidazole functional group
US-2016251456-A1 · Sep 1, 2016 · US
Polymers Functionalized With Imine Compounds Containing A Cyano Group
US-2016237179-A1 · Aug 18, 2016 · US
Determination of the degree of branching
US-2016231305-A1 · Aug 11, 2016 · US
Crosslinked rubber, member for tires, vibration-proofing member, member for belts, and rubber composition
US-2016215127-A1 · Jul 28, 2016 · US
End-functionalized conjugated diene-based polymer and process for producing same
US-2016208024-A1 · Jul 21, 2016 · US
Graft polymer to which combined nitrogen molecules are grafted
US-9394380-B2 · Jul 19, 2016 · US
Rubber composition containing a modified elastomer, method for preparing same, and tire containing same
US-9394434-B2 · Jul 19, 2016 · US
Process for producing polydienes
US-2016108153-A1 · Apr 21, 2016 · US
Functionalized polymers
US-9315599-B2 · Apr 19, 2016 · US
Rubber composition and pneumatic tire
US-9284433-B2 · Mar 15, 2016 · US
Tire with silica-rich rubber tread
US-2016060438-A1 · Mar 3, 2016 · US
Tire and method for manufacturing tire
US-2016046790-A1 · Feb 18, 2016 · US
Composition in the form of an emulsion, comprising a hydrophobic phase dispersed in an aqueous phase
US-9260551-B2 · Feb 16, 2016 · US
Process for producing polydienes
US-9249244-B2 · Feb 2, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08C19/22?
- CPC C08C19/22 is the Cooperative Patent Classification code for “Incorporating nitrogen atoms into the molecule.”
- How many patents are filed under CPC C08C19/22 (Incorporating nitrogen atoms into the molecule)?
- Our database includes 865 publications tagged with this CPC code.
- Is patent activity under CPC C08C19/22 growing?
- Publication counts under this code: 57 in 2024 vs 58 in 2025 (latest complete years).