Tri-(adamantyl)phosphines and applications thereof
US-2018304248-A1 · Oct 25, 2018 · US
Substitution
Substitution · 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 | C07B37/04 |
| Official title | Substitution |
| Display label | Substitution |
| Total patents | 157 |
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 | 18 |
| 2016 | 16 |
| 2017 | 18 |
| 2018 | 19 |
| 2019 | 21 |
| 2020 | 17 |
| 2021 | 12 |
| 2022 | 8 |
| 2023 | 8 |
| 2024 | 14 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Uses of certain platinoid accumulating plants for use in organic chemical reactions
US-10066029-B2 · Sep 4, 2018 · US
Ethylene-to-liquids systems and methods
US-2018186707-A1 · Jul 5, 2018 · US
Nano-to-nano Fe/ppm Pd catalysis of cross-coupling reactions in water
US-9956551-B2 · May 1, 2018 · US
Process for preparing chlorinated biphenylanilides and biphenylanilines
US-2018093942-A1 · Apr 5, 2018 · US
Tricyclic analogues, preparation method and uses thereof
US-2018064696-A1 · Mar 8, 2018 · US
Introduction of alkyl substituents to aromatic compounds
US-2018065904-A1 · Mar 8, 2018 · US
Process for preparing chlorinated biphenylanilides and biphenylanilines
US-9868694-B2 · Jan 16, 2018 · US
Silicon-based cross coupling agents and methods of their use
US-9850261-B2 · Dec 26, 2017 · US
Metathesis catalysts and methods thereof
US-9850268-B2 · Dec 26, 2017 · US
NANO-TO-NANO FE/PPM Pd CATALYSIS OF CROSS-COUPLING REACTIONS IN WATER
US-2017341069-A1 · Nov 30, 2017 · US
Fluorine-containing complex compound, and production method for fluorine-containing organic compound employing same
US-9802963-B2 · Oct 31, 2017 · US
Polymer-supported transition catalyst
US-2017283343-A1 · Oct 5, 2017 · US
Method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by heterogeneous catalysis
US-9771367-B2 · Sep 26, 2017 · US
Organic reactions carried out in aqueous solution in the presence of a hydroxyalkyl(alkyl)cellulose or an alkylcellulose
US-2017217850-A1 · Aug 3, 2017 · US
Silicon-based cross coupling agents and methods of their use
US-2017210766-A1 · Jul 27, 2017 · US
Process for the production of biaryl compounds
US-2017210681-A1 · Jul 27, 2017 · US
P-chirogenic organophosphorus compounds
US-9707553-B2 · Jul 18, 2017 · US
Method for coupling a first aromatic compound to a second aromatic compound
US-2017174582-A1 · Jun 22, 2017 · US
Method For Preparation of Alkylated or Fluoro, Chloro and Fluorochloro Alkylated Compounds By Heterogeneous Catalysis
US-2017158695-A1 · Jun 8, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07B37/04?
- CPC C07B37/04 is the Cooperative Patent Classification code for “Substitution.”
- How many patents are filed under CPC C07B37/04 (Substitution)?
- Our database includes 157 publications tagged with this CPC code.
- Is patent activity under CPC C07B37/04 growing?
- Publication counts under this code: 14 in 2024 vs 4 in 2025 (latest complete years).