Olin Corp. (OLN)
NYSE: OLN · Chemicals & Allied Products · Clayton, MO · filing with the SEC since 1994
Grade5.3
◀ Past 6.0● Present 5.7▶ Future 3.9
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 20262,074 patents granted to the 7 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 Olin Corp.’s names, not what it holds today.
Patents granted
2,074
2,027 utility, 36 design, 11 reissue, 1976 to Dec 31, 2025
Granted in 2025
1
Against none in 2024 and 2 in 2023
Applications published
117
4 of them in 2025
Names they are printed under
7
its own name, a subsidiary
By yearGrantedApplications published
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
Other special machines4
Organic fine chemistry3
Environmental technology2
Basic materials chemistry1
Chemical engineering1
Macromolecular chemistry, polymers1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name7 counted
Olin Corporation its own name
US, as the owner printed on each patent
22 published
BLUE CUBE IP LLC a subsidiary
US, as the owner printed on each patent
19 published
BLUE CUBE IP LLC a subsidiary
named as the applicant on its applications, in US
59 published
Olin Corporation its own name
named as the applicant on its applications, in US
16 published
Waterbury Rolling Mills, Inc. a subsidiary
US, as the owner printed on each patent
1 published
Imperial West Chemical Company a subsidiary
US, as the owner printed on each patent
0 published
Pioneer (East) Inc. a subsidiary
US, as the owner printed on each patent
0 published
Names not counted (7)
Pioneer Companies, LLC
Most of its patents print JP; this name counts in US. 2,824 granted and 2,772 published under it are not counted.
Pioneer Companies, LLC
Most of its patents print JP; this name counts in US. 0 granted and 613 published under it are not counted.
OLIN Corp
No country is printed for it. 0 granted and 8 published under it are not counted.
OLIN Corp
No country is printed for it. 0 granted and 5 published under it are not counted.
OLIN Corp
No country is printed for it. 0 granted and 3 published under it are not counted.
Pioneer Licensing, Inc.
Most of its patents print CA; this name counts in US. 2 granted and 0 published under it are not counted.
Pioneer Companies, LLC
No country is printed for it. 0 granted and 1 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Aug 19, 2025 | 12,391,792 | Hardener formulation for cold curing epoxy systems | Macromolecular chemistry, polymers | BLUE CUBE IP LLC |
| Oct 31, 2023 | 11,802,060 | Brine purification process | Environmental technology | BLUE CUBE IP LLC |
| Feb 21, 2023 | 11,585,645 | Bullets and methods of making bullets | Other special machines | Olin Corporation |
| Oct 25, 2022 | 11,479,638 | Phosphorated anhydride containing epoxy resin | Organic fine chemistry | BLUE CUBE IP LLC |
| Oct 4, 2022 | 11,460,279 | Fragmenting bullet | Other special machines | Olin Corporation |
| Jun 14, 2022 | 11,358,918 | Method for the production of a halogenated alkene by catalyzed dehydrohalogenation of a halogenated alkane | Organic fine chemistry | BLUE CUBE IP LLC |
| Dec 7, 2021 | 11,192,841 | Processes for preparing halogenated alkanes | Chemical engineering | BLUE CUBE IP LLC |
| Dec 7, 2021 | 11,192,840 | Method for recycling catalyst in the production of chlorinated alkanes | Organic fine chemistry | BLUE CUBE IP LLC |
| May 25, 2021 | 11,014,832 | Brine purification process | Environmental technology | BLUE CUBE IP LLC |
| Apr 6, 2021 | 10,969,209 | Segmenting pistol bullet | Other special machines | Olin Corporation |
Newest applications publishedan application is a clue, never a plan
What it applied for, 2024 to 2025: Other special machines 3 · Organic fine chemistry 1 · Macromolecular chemistry, polymers 1 · Surface technology, coating 1.
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.