Polyurethane foam production process, pre-mix formulation, and product
US-10144811-B2 · Dec 4, 2018 · US
characterised by the compounds used containing active hydrogen
characterised by the compounds used containing active hydrogen · 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 | C08G18/28 |
| Official title | characterised by the compounds used containing active hydrogen |
| Display label | characterised by the compounds used containing active hydrogen |
| Total patents | 124 |
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 | 23 |
| 2017 | 7 |
| 2018 | 16 |
| 2019 | 6 |
| 2020 | 16 |
| 2021 | 9 |
| 2022 | 11 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyurethane foam and process for producing same
US-10131759-B2 · Nov 20, 2018 · US
Cross-linkable composition
US-2018305587-A1 · Oct 25, 2018 · US
Aqueous basecoat material for producing a coating
US-2018187043-A1 · Jul 5, 2018 · US
Cross-linkable composition
US-2018179344-A1 · Jun 28, 2018 · US
Compound
US-2018155488-A1 · Jun 7, 2018 · US
Acrylic-urethane IPN plastisol
US-9976047-B2 · May 22, 2018 · US
Polyurethanes, articles and coatings prepared therefrom and methods of making the same
US-9951173-B2 · Apr 24, 2018 · US
Polyurethanes, Articles and Coatings Prepared Therefrom and Methods of Making the Same
US-2018051123-A1 · Feb 22, 2018 · US
Non-ionic associative thickeners containing cyclohexylol alkyls, formulations containing them and their uses
US-9896533-B2 · Feb 20, 2018 · US
Polyurethane-Based Binder System
US-2018044462-A1 · Feb 15, 2018 · US
Bio-based polyurethane foam materials including graphite materials
US-9868835-B1 · Jan 16, 2018 · US
Polyurethanes, articles and coatings prepared therefrom and methods of making the same
US-9822211-B2 · Nov 21, 2017 · US
Alkoxylated Bio-Oil Polyol Compositions
US-2017121458-A1 · May 4, 2017 · US
Comb-like polyurethane and methods for preparing and using the same
US-9631044-B2 · Apr 25, 2017 · US
Polyureas as rheology control agents
US-9617371-B2 · Apr 11, 2017 · US
Method for producing dispersant additives
US-9573103-B2 · Feb 21, 2017 · US
Powdered polyurethane urea resin composition for slush molding and manufacturing process therefor
US-9550874-B2 · Jan 24, 2017 · US
Aqueous resinous dispersions that include a zinc (II) amidine complex and methods for the manufacture thereof
US-9534074-B2 · Jan 3, 2017 · US
Polyurethane grout compositions
US-9527949-B2 · Dec 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G18/28?
- CPC C08G18/28 is the Cooperative Patent Classification code for “characterised by the compounds used containing active hydrogen.”
- How many patents are filed under CPC C08G18/28 (characterised by the compounds used containing active hydrogen)?
- Our database includes 124 publications tagged with this CPC code.
- Is patent activity under CPC C08G18/28 growing?
- Publication counts under this code: 3 in 2024 vs 8 in 2025 (latest complete years).