Stereocomplexes for the delivery of anti-cancer agents
US-2024350644-A1 · Oct 24, 2024 · US
Polymers modified by chemical after-treatment
Polymers modified by chemical after-treatment · 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 | C08G63/91 |
| Official title | Polymers modified by chemical after-treatment |
| Display label | Polymers modified by chemical after-treatment |
| Total patents | 308 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 41 |
| 2016 | 37 |
| 2017 | 32 |
| 2018 | 31 |
| 2019 | 25 |
| 2020 | 23 |
| 2021 | 31 |
| 2022 | 20 |
| 2023 | 23 |
| 2024 | 17 |
| 2025 | 21 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermoplastic polymers comprising oxygen scavenging molecules
US-2016376404-A1 · Dec 29, 2016 · US
Disintegratable polymer composites for downhole tools
US-2016369083-A1 · Dec 22, 2016 · US
Polymeric compositions and method of making and articles thereof
US-2016369069-A1 · Dec 22, 2016 · US
Toner, developer using the toner, image forming apparatus
US-9519235-B2 · Dec 13, 2016 · US
Low gloss thermoplastic compositions, method of manufacture thereof and articles comprising the same
US-9505930-B2 · Nov 29, 2016 · US
Polymer-active agent conjugate
US-2016310606-A1 · Oct 27, 2016 · US
Biodegradable aliphatic polyesters
US-2016297922-A1 · Oct 13, 2016 · US
Iminoether compound, polyester resin composition, method for producing carboxylic acid ester, polyester film, back sheet for solar cell module, and solar cell module
US-2016280851-A1 · Sep 29, 2016 · US
Polymer compound, chemically amplified negative resist composition, photo-curable dry film and production method thereof, layered product, patterning process, and substrate
US-9400428-B2 · Jul 26, 2016 · US
Carboxy-functional polyester and diester derivatives
US-2016208043-A1 · Jul 21, 2016 · US
Novel polymers and use of these as dispersants
US-2016145381-A1 · May 26, 2016 · US
Method involving 1-benzotriazolyl carbonate esters of poly(ethylene glycol)
US-9346917-B2 · May 24, 2016 · US
Polylactic acid (pla) with low moisture vapor transmission rates by grafting through of hydrophobic polymers directly to pla backbone
US-2016108163-A1 · Apr 21, 2016 · US
Method of producing polyester film, polyester film, and back sheet for solar cell
US-9306083-B2 · Apr 5, 2016 · US
Process for the preparation of polyether-ester polyols
US-9284401-B2 · Mar 15, 2016 · US
Reactive hydroxylated and carboxylated polymers for use as adhesion promoters
US-9279034-B2 · Mar 8, 2016 · US
Temperature-Responsive Polymer Compositions and Methods of Use
US-2016024249-A1 · Jan 28, 2016 · US
Low gloss thermoplastic compositions, method of manufacture thereof and articles comprising the same
US-2016009915-A1 · Jan 14, 2016 · US
Antistatic agent, antistatic agent composition, antistatic resin composition, and molded body
US-2015353796-A1 · Dec 10, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G63/91?
- CPC C08G63/91 is the Cooperative Patent Classification code for “Polymers modified by chemical after-treatment.”
- How many patents are filed under CPC C08G63/91 (Polymers modified by chemical after-treatment)?
- Our database includes 308 publications tagged with this CPC code.
- Is patent activity under CPC C08G63/91 growing?
- Publication counts under this code: 17 in 2024 vs 21 in 2025 (latest complete years).