Method for Making Polymers by Transesterification of Polyols and Alkyl Esters of Polycarboxylic Acids, Polymers and Copolymers Made Thereby and Polymeric and Copolymeric Articles
US-2024076445-A1 · Mar 7, 2024 · US
characterised by the catalyst used
characterised by the catalyst used · 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 | C08G63/82 |
| Official title | characterised by the catalyst used |
| Display label | characterised by the catalyst used |
| Total patents | 119 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 12 |
| 2017 | 16 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 8 |
| 2021 | 7 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Continuous process for producing poly(trimethylene terephthalate) containing low levels of by-products
US-10280257-B2 · May 7, 2019 · US
Stabilizer for producing a polyester resin, process for preparing the same, process for producing the polyester resin using the same, and the polyester resin produced thereby
US-2019106444-A1 · Apr 11, 2019 · US
Processes Using Multifunctional Catalysts
US-2019076834-A1 · Mar 14, 2019 · US
Self-cureable and low temperature cureable polyesters
US-2018355105-A1 · Dec 13, 2018 · US
Method and catalyst system for preparing polymers and block copolymers
US-2018305501-A1 · Oct 25, 2018 · US
Process for enhancing the molecular weight of a polyester
US-10072119-B2 · Sep 11, 2018 · US
Silicone-Modified Polyester Coating
US-2018251594-A1 · Sep 6, 2018 · US
Phenolic polymers and preparation processes thereof
US-10053540-B2 · Aug 21, 2018 · US
Method and catalyst system for preparing polymers and block copolymers
US-10030106-B2 · Jul 24, 2018 · US
Aliphatic polycarbonate macropolyol and aliphatic polycarbonate-coaromatic polyester macropolyol
US-2018186929-A1 · Jul 5, 2018 · US
Process for production of acrylates from epoxides
US-9914689-B2 · Mar 13, 2018 · US
Polyester and method for preparing such a polyester
US-9908968-B2 · Mar 6, 2018 · US
Polyester and method for preparing such a polyester
US-9890242-B2 · Feb 13, 2018 · US
Method for preparing a polyester under specific esterification conditions
US-9840582-B2 · Dec 12, 2017 · US
Polyester compositions which comprise cyclobutanediol and certain thermal stabilizers, and/or reaction products thereof
US-9765203-B2 · Sep 19, 2017 · US
New phenolic polymers and preparation processes thereof
US-2017260329-A1 · Sep 14, 2017 · US
Process for production of acrylates from epoxides
US-2017247309-A1 · Aug 31, 2017 · US
Biodegradable Stealth Polymeric Particles Fabricated Using The Macromonomer Approach By Free Radical Dispersion Polymerization
US-2017240698-A1 · Aug 24, 2017 · US
Method to Minimize the Transition Time From One Polymer Grade to Another Polymer Grade in a Polymerization Plant
US-2017240699-A1 · Aug 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G63/82?
- CPC C08G63/82 is the Cooperative Patent Classification code for “characterised by the catalyst used.”
- How many patents are filed under CPC C08G63/82 (characterised by the catalyst used)?
- Our database includes 119 publications tagged with this CPC code.
- Is patent activity under CPC C08G63/82 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).