Manufacture of bisphenol a
US-2019315670-A1 · Oct 17, 2019 · US
Bis-(hydroxyphenyl) alkanes; Tris-(hydroxyphenyl)alkanes
Bis-(hydroxyphenyl) alkanes; Tris-(hydroxyphenyl)alkanes · 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 | C07C39/16 |
| Official title | Bis-(hydroxyphenyl) alkanes; Tris-(hydroxyphenyl)alkanes |
| Display label | Bis-(hydroxyphenyl) alkanes; Tris-(hydroxyphenyl)alkanes |
| Total patents | 166 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 8 |
| 2017 | 23 |
| 2018 | 18 |
| 2019 | 20 |
| 2020 | 21 |
| 2021 | 10 |
| 2022 | 19 |
| 2023 | 10 |
| 2024 | 15 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Manufacture of bisphenol a
US-2019308921-A1 · Oct 10, 2019 · US
Sythesis of bisphenols
US-10155709-B2 · Dec 18, 2018 · US
Ion exchange resin for producing bisphenol, and a method for producing bisphenol using said ion exchange resin
US-2018355159-A1 · Dec 13, 2018 · US
Method of using of dihydro-resveratrol or its stilbenoid derivatives and/or chemical variants as antimicrobial agents
US-2018319729-A1 · Nov 8, 2018 · US
Apparatus and method for preparing bisphenol a
US-2018312456-A1 · Nov 1, 2018 · US
Controlled conversion of dimethyl benzyl alcohol to cumene hydroperoxide formed during the cumene oxidation process
US-10081594-B2 · Sep 25, 2018 · US
Method of bisphenol manufacture
US-2018265441-A1 · Sep 20, 2018 · US
Method of recovering phenol from a bpa production facility and the facility for recovering the same
US-2018258020-A1 · Sep 13, 2018 · US
Method of recovering phenol from a bpa production plant and the plant for recovering the same
US-2018230075-A1 · Aug 16, 2018 · US
Skin-protection composition containing Dendrobium-based ingredients
US-2018228709-A1 · Aug 16, 2018 · US
Method of using dihydro-resveratrol or its stilbenoid derivatives and/or chemical variants in treatment of tumorous pathologies
US-10017442-B2 · Jul 10, 2018 · US
Method for producing a Bisphenol
US-10005709-B2 · Jun 26, 2018 · US
Bisphenols and high-performance resins from terpenes
US-10000433-B1 · Jun 19, 2018 · US
Phenolic-hydroxyl-group-containing novolac resin and resist film
US-2018134834-A1 · May 17, 2018 · US
Method of Using dihydro-resveratrol or its stilbenoid derivatives and/or chemical variants in treatment of tumorous pathologies
US-2018118647-A1 · May 3, 2018 · US
Skin-protection composition containing dendrobium-based ingredients
US-9956152-B2 · May 1, 2018 · US
Phthalonitriles derived from polyphenols
US-9920165-B2 · Mar 20, 2018 · US
Resist composition, method for forming resist pattern, polyphenolic compound for use in the composition, and alcoholic compound that can be derived therefrom
US-9908831-B2 · Mar 6, 2018 · US
Method of using dihydro-resveratrol or its stilbenoid derivatives and/or chemical variants in treatments of fibrotic and diabetic conditions
US-9877931-B2 · Jan 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C39/16?
- CPC C07C39/16 is the Cooperative Patent Classification code for “Bis-(hydroxyphenyl) alkanes; Tris-(hydroxyphenyl)alkanes.”
- How many patents are filed under CPC C07C39/16 (Bis-(hydroxyphenyl) alkanes; Tris-(hydroxyphenyl)alkanes)?
- Our database includes 166 publications tagged with this CPC code.
- Is patent activity under CPC C07C39/16 growing?
- Publication counts under this code: 15 in 2024 vs 10 in 2025 (latest complete years).