Indolonaphthopyrans
US-2022056039-A1 · Feb 24, 2022 · US
containing organic compounds
containing organic compounds · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G03C1/73 |
| Official title | containing organic compounds |
| Display label | containing organic compounds |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 17 |
| 2017 | 3 |
| 2018 | 12 |
| 2019 | 8 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 7 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photochromic Article
US-2021395436-A1 · Dec 23, 2021 · US
Composition, artificial nail composition, nail decoration material, artificial nail, stored container, image forming apparatus, and image forming method
US-2021309771-A1 · Oct 7, 2021 · US
Photochromic Indeno-Fused Naphthopyran Compounds With Reduced Temperature Dependence
US-2021198226-A1 · Jul 1, 2021 · US
Polymerizable composition for optical material and molded product
US-2021054126-A1 · Feb 25, 2021 · US
Spin coater for applying multiple coatings to an optical substrate
US-10571611-B2 · Feb 25, 2020 · US
Photochromic compounds
US-10532998-B2 · Jan 14, 2020 · US
Photochromic compounds
US-10532997-B2 · Jan 14, 2020 · US
Photochromic thienochromene compounds
US-10501477-B2 · Dec 10, 2019 · US
Photochromic compounds
US-10501446-B2 · Dec 10, 2019 · US
Multilayer photochromic articles
US-10423061-B2 · Sep 24, 2019 · US
Diacetylene film sensitized with photoinitiator and applications of the film
US-10365154-B2 · Jul 30, 2019 · US
Method of preparing a photochromic optical article using an organic solvent pretreatment and photochromic coating
US-10281628-B2 · May 7, 2019 · US
Ophthalmic devices comprising photochromic materials with reactive substituents
US-2019129067-A1 · May 2, 2019 · US
Liquid capsule having thermochromic and photochromic properties
US-2019048211-A1 · Feb 14, 2019 · US
Ophthalmic devices comprising photochromic materials with reactive sub substituents
US-10197707-B2 · Feb 5, 2019 · US
Photochromic articles that include photochromic-dichroic materials
US-10145996-B2 · Dec 4, 2018 · US
Photochromic Compounds
US-2018291007-A1 · Oct 11, 2018 · US
Photochromic Compounds
US-2018291009-A1 · Oct 11, 2018 · US
Photochromic Compounds
US-2018291008-A1 · Oct 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G03C1/73?
- CPC G03C1/73 is the Cooperative Patent Classification code for “containing organic compounds.”
- How many patents are filed under CPC G03C1/73 (containing organic compounds)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC G03C1/73 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).