Method of Reducing Impurities in Pyrolysis Oil
US-2024400918-A1 · Dec 5, 2024 · US
containing hydroxyl groups
containing hydroxyl groups · 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 | C08J11/24 |
| Official title | containing hydroxyl groups |
| Display label | containing hydroxyl groups |
| Total patents | 393 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 11 |
| 2017 | 4 |
| 2018 | 11 |
| 2019 | 14 |
| 2020 | 21 |
| 2021 | 26 |
| 2022 | 35 |
| 2023 | 73 |
| 2024 | 76 |
| 2025 | 85 |
| 2026 | 24 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Articles comprising copolyesters produced with germanium catalyst
US-2024376258-A1 · Nov 14, 2024 · US
Polyolefin mimic polyester copolymers
US-2024218116-A1 · Jul 4, 2024 · US
Method for depolymerising polyester
US-2024052131-A1 · Feb 15, 2024 · US
Method of separating inorganic material, method of producing reprocessed material and method of removing organic substance
US-10774194-B2 · Sep 15, 2020 · US
Plant extract compositions for forming protective coatings
US-2020100514-A1 · Apr 2, 2020 · US
Process for the depolymerization of a polyester comprising opaque polyethylene terephthalate
US-10544276-B2 · Jan 28, 2020 · US
Recyclable Single Polymer Floorcovering Article
US-2019389094-A1 · Dec 26, 2019 · US
Chemical recycling of polyethylene terephthalate by microwave irradiation
US-10508186-B2 · Dec 17, 2019 · US
Methods of recycling and reshaping thermosetting polymers and composites thereof
US-2019322835-A1 · Oct 24, 2019 · US
Method of continuously recycling thermoset plastic waste
US-2019309141-A1 · Oct 10, 2019 · US
Plant extract compositions for forming protective coatings
US-10407377-B2 · Sep 10, 2019 · US
A process for degrading plastic products
US-2019218360-A1 · Jul 18, 2019 · US
Process for the depolymerization of a polyester comprising opaque polyethylene terephthalate
US-2019161595-A1 · May 30, 2019 · US
(meth)acrylated compounds based on recycled pet
US-2019153191-A1 · May 23, 2019 · US
Methods for producing chitin oligomer, n-acetylglucosamine, and 1-o-alkyl-n-acetylglucosamine
US-2019136008-A1 · May 9, 2019 · US
Liquid modified pet polyesters for lithographic inks
US-2019127549-A1 · May 2, 2019 · US
Plant Extract Compositions for Forming Protective Coatings
US-2019031590-A1 · Jan 31, 2019 · US
Method of treating thermosetting resin cured product
US-2019023868-A1 · Jan 24, 2019 · US
Recycling carbon fiber based materials
US-2019001532-A1 · Jan 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J11/24?
- CPC C08J11/24 is the Cooperative Patent Classification code for “containing hydroxyl groups.”
- How many patents are filed under CPC C08J11/24 (containing hydroxyl groups)?
- Our database includes 393 publications tagged with this CPC code.
- Is patent activity under CPC C08J11/24 growing?
- Publication counts under this code: 76 in 2024 vs 85 in 2025 (latest complete years).