Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
325 patents granted to the 4 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to The Chemours Company’s names, not what it holds today.
Patents granted
325
320 utility, 5 reissue, 1976 to Dec 31, 2025
Granted in 2025
27
Against 36 in 2024 and 32 in 2023
Applications published
440
43 of them in 2025
Names they are printed under
4
a subsidiary, its own name
By yearGrantedApplications published
'02'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Basic materials chemistry57
Organic fine chemistry54
Thermal processes and apparatus8
Macromolecular chemistry, polymers7
Chemical engineering5
Other special machines4
Electrical machinery, apparatus, energy3
Mechanical elements2
Engines, pumps, turbines2
Textile and paper machines2
Audio-visual technology2
Environmental technology1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name4 counted
THE CHEMOURS COMPANY FC, LLC a subsidiary
US, as the owner printed on each patent. 2 more under the same name are not counted (printed in DE)
266 publishedTHE CHEMOURS COMPANY FC, LLC a subsidiary
named as the applicant on its applications, in US. 2 more under the same name are not counted (printed in DE)
173 publishedICOR International, Inc. a subsidiary
US, as the owner printed on each patent
0 publishedTHE CHEMOURS COMPANY its own name
named as the applicant on its applications, in US
1 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Dec 30, 2025 | 12,509,566 | Nucleating agents for PIR foams | Macromolecular chemistry, polymers | THE CHEMOURS COMPANY FC, LLC |
| Dec 30, 2025 | 12,509,410 | Compositions and methods for an integrated 2,3,3,3-tetrafluoropropene manufacturing process | Organic fine chemistry | THE CHEMOURS COMPANY FC, LLC |
| Nov 25, 2025 | 12,480,030 | Vapor compression systems containing lubricant-refrigerant compositions | Basic materials chemistry | THE CHEMOURS COMPANY FC, LLC |
| Oct 14, 2025 | 12,441,949 | Compositions, system and methods for introducing POE lubricant into an electric (HEV, PHEV, EV) automotive air-conditioning/heating system or stationary air-conditioning/heating system or stationary refrigeration system using lower or low GWP refrigerant or refrigerant blends | Basic materials chemistry | THE CHEMOURS COMPANY FC, LLC |
| Oct 14, 2025 | 12,441,673 | Catalysed synthesis of fluorinated alkenes and fluorinated alkene compositions | Electrical machinery, apparatus, energy | THE CHEMOURS COMPANY FC, LLC |
| Sep 30, 2025 | 12,429,265 | Methods and containers for transporting, transferring, storing and using refrigerants | Thermal processes and apparatus | THE CHEMOURS COMPANY FC, LLC |
| Sep 30, 2025 | 12,428,586 | Compositions containing tetrafluoropropene, tetrafluoroethane and pentafluoropropene and uses thereof | Basic materials chemistry | THE CHEMOURS COMPANY FC, LLC |
| Sep 23, 2025 | 12,421,436 | HFO-1234ze, HFO-1225zc and HFO-1234yf containing compositions and processes for producing and using the compositions | Basic materials chemistry | THE CHEMOURS COMPANY FC, LLC |
| Sep 23, 2025 | 12,421,182 | Synthesis of (e)-1,1,1,4,5,5,5-heptafluoro-4-(trifluoromethyl)pent-2-ene | Organic fine chemistry | THE CHEMOURS COMPANY FC, LLC |
| Sep 23, 2025 | 12,421,181 | Process for producing 1,1,1,4,4,4-hexafluorobut-2-ene | Organic fine chemistry | THE CHEMOURS COMPANY FC, LLC |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Dec 25, 2025 | 2025/0389469 | METHODS AND CONTAINERS FOR TRANSPORTING, TRANSFERRING, STORING AND USING REFRIGERANTS | Chemical engineering | THE CHEMOURS COMPANY FC, LLC |
| Dec 18, 2025 | 2025/0382247 | SYNTHESIS OF (E)-1,1,1,4,5,5,5-HEPTAFLUORO-4-(TRIFLUOROMETHYL)PENT-2-ENE | Organic fine chemistry | THE CHEMOURS COMPANY FC, LLC |
| Nov 20, 2025 | 2025/0353755 | SEPARATION OF BACL2 FROM CACL2 BRINE SOLUTION | Chemical engineering | THE CHEMOURS COMPANY FC, LLC |
| Nov 6, 2025 | 2025/0343239 | Electrode, Secondary Battery Including the Same and Method for Manufacturing the Same | Electrical machinery, apparatus, energy | THE CHEMOURS COMPANY FC, LLC |
| Oct 23, 2025 | 2025/0326703 | HIGH PURITY FLUOROOLEFIN COMPOSITIONS AND METHODS OF IMPURITY REMOVAL | Organic fine chemistry | THE CHEMOURS COMPANY FC, LLC |
| Oct 9, 2025 | 2025/0313738 | STABILIZED FLUOROOLEFIN REFRIGERANT COMPOSITIONS AND METHODS FOR THEIR PRODUCTION, STORAGE AND USAGE | Basic materials chemistry | THE CHEMOURS COMPANY FC, LLC |
| Oct 2, 2025 | 2025/0304383 | SYSTEM FOR HANDLING POWDERED MATERIALS | Handling | THE CHEMOURS COMPANY FC, LLC |
| Sep 18, 2025 | 2025/0293258 | FLUOROPLYMER BINDER FOR LITHIUM-ION SECONDARY BATTERY CATHODE | Electrical machinery, apparatus, energy | THE CHEMOURS COMPANY FC, LLC |
| Sep 18, 2025 | 2025/0289988 | REFRIGERANT COMPOSITIONS CONTAINING PROPYLENE AND FLUOROCARBONS AND USES THEREOF | Basic materials chemistry | THE CHEMOURS COMPANY FC, LLC |
| Sep 4, 2025 | 2025/0276947 | FLUORINATED ALKOXYVINYL ETHERS AND METHODS FOR PREPARING FLUORINATED ALKOXYVINYL ETHERS | Organic fine chemistry | THE CHEMOURS COMPANY FC, LLC |
What it applied for, 2024 to 2025: Basic materials chemistry 41 · Organic fine chemistry 26 · Electrical machinery, apparatus, energy 6 · Macromolecular chemistry, polymers 4 · Thermal processes and apparatus 3 · Audio-visual technology 3.
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.