Compound, resin, polycarbonate resin, and optical molded article
US-2023022186-A1 · Jan 26, 2023 · US
containing hydroxy or O-metal groups
containing hydroxy or O-metal 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 | C07C43/295 |
| Official title | containing hydroxy or O-metal groups |
| Display label | containing hydroxy or O-metal groups |
| Total patents | 83 |
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 | 6 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 16 |
| 2022 | 5 |
| 2023 | 9 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Salt, acid generator, resist composition and method for producing resist pattern
US-11505524-B2 · Nov 22, 2022 · US
Perfluoropolyether Compound, Lubricant, And Magnetic Disk
US-2022267516-A1 · Aug 25, 2022 · US
Compound, resin, composition, resist pattern formation method, circuit pattern formation method, and method for purifying resin
US-2022144738-A1 · May 12, 2022 · US
Resist composition and patterning process
US-2022043343-A1 · Feb 10, 2022 · US
Shelf life mass polymerizable polycycloolefin compositions as optical materials
US-11230566-B2 · Jan 25, 2022 · US
Functionalized poly(2,6-dimethyl phenylene oxide) oligomers containing dicyclopentadiene, method of producing the same and use thereof
US-2021403620-A1 · Dec 30, 2021 · US
Salt, acid generator, resist composition and method for producing resist pattern
US-2021387944-A1 · Dec 16, 2021 · US
Triarylmethane compounds
US-2021371367-A1 · Dec 2, 2021 · US
Salt, acid generator, resist composition and method for producing resist pattern
US-2021371376-A1 · Dec 2, 2021 · US
Polycyclic compounds
US-2021355058-A1 · Nov 18, 2021 · US
Diol compound, polycarbonate, and preparation method of the same
US-2021332185-A1 · Oct 28, 2021 · US
Compound, composition containing the same, method for forming resist pattern and method for forming insulating film
US-2021331994-A1 · Oct 28, 2021 · US
Inhibition of respiratory complex iii by ligands that interact with a regulatory switch
US-2021309617-A1 · Oct 7, 2021 · US
Organic compound, three-dimensional organic framework formed by using organic compound, separation sieve and optical layer, which comprise organic framework, and optical device comprising optical layer as optical amplification layer
US-11066351-B2 · Jul 20, 2021 · US
Inhibition of respiratory complex III by ligands that interact with a regulatory switch
US-11058645-B2 · Jul 13, 2021 · US
Shelf life mass polymerizable polycycloolefin compositions as optical materials
US-2021206789-A1 · Jul 8, 2021 · US
Compound, composition containing the same, method for forming resist pattern and method for forming insulating film
US-2021206901-A1 · Jul 8, 2021 · US
Series of Skin-Whitening (Lightening) Compounds
US-2021188751-A1 · Jun 24, 2021 · US
Compound, resin, composition, resist pattern formation method and circuit pattern formation method
US-2021070685-A1 · Mar 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C43/295?
- CPC C07C43/295 is the Cooperative Patent Classification code for “containing hydroxy or O-metal groups.”
- How many patents are filed under CPC C07C43/295 (containing hydroxy or O-metal groups)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC C07C43/295 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).