Polycarbonate resin composition and molded article thereof
US-2017335100-A1 · Nov 23, 2017 · US
Block or graft polymers
Block or graft polymers · 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 | C08G64/18 |
| Official title | Block or graft polymers |
| Display label | Block or graft polymers |
| Total patents | 216 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 29 |
| 2017 | 38 |
| 2018 | 30 |
| 2019 | 27 |
| 2020 | 22 |
| 2021 | 22 |
| 2022 | 12 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
A process for the preparation of a graft copolymer comprising a polyolefin main chain and one or a multiple polymer side chains and the products obtained therefrom
US-2017320988-A1 · Nov 9, 2017 · US
Polycarbonate composition and article comprising the same
US-9809677-B2 · Nov 7, 2017 · US
Polycarbonate-polyolefin block copolymers and methods of making them
US-2017313825-A1 · Nov 2, 2017 · US
Method for preparing polycarbonate-polyorganosiloxane copolymer
US-2017313824-A1 · Nov 2, 2017 · US
Polycarbonate-based resin composition and molded article thereof
US-2017306146-A1 · Oct 26, 2017 · US
Polycarbonate based resin composition and molded articles thereof
US-2017298221-A1 · Oct 19, 2017 · US
Polycarbonate-based resin composition and molded article thereof
US-2017298222-A1 · Oct 19, 2017 · US
Polyester-polycarbonate composition and article
US-9790363-B2 · Oct 17, 2017 · US
Copolycarbonate and composition comprising the same
US-9745417-B2 · Aug 29, 2017 · US
Copolycarbonate and composition containing the same
US-9745466-B2 · Aug 29, 2017 · US
Thin film self assembly of topcoat-free silicon-containing diblock copolymers
US-2017233532-A1 · Aug 17, 2017 · US
High-fluidity polycarbonate copolymer, process for production highly polymerized aromatic polycarbonate resin and aromatic polycarbonate compound
US-2017174833-A1 · Jun 22, 2017 · US
Block copolymers for directed self-assembly applications
US-2017114246-A1 · Apr 27, 2017 · US
Biodegradable polymers, complexes thereof for gene therapeutics and drug delivery, and methods related thereto
US-2017114182-A1 · Apr 27, 2017 · US
Methods of forming block polymers for directed self-assembly
US-2017114183-A1 · Apr 27, 2017 · US
Copolymers having polyisobutylene and biodegradable polymer segments
US-9631042-B2 · Apr 25, 2017 · US
Fluoro-alcohol additives for orientation control of block copolymers
US-2017066853-A1 · Mar 9, 2017 · US
Polycarbonate composition and article comprising the same
US-9580597-B2 · Feb 28, 2017 · US
Methods of forming block polymers for directed self-assembly
US-9562127-B2 · Feb 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G64/18?
- CPC C08G64/18 is the Cooperative Patent Classification code for “Block or graft polymers.”
- How many patents are filed under CPC C08G64/18 (Block or graft polymers)?
- Our database includes 216 publications tagged with this CPC code.
- Is patent activity under CPC C08G64/18 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).