Sociedad Quimica y Minera de Chile SA (SQM)
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 20263 patents granted to the 3 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 Sociedad Quimica y Minera de Chile SA’s names, not what it holds today.
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| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Feb 28, 2006 | 7,005,083 | Process for the preparation of alkyllithium compounds | Organic fine chemistry | SQM Lithium Specialties Limited Partnership, LLP |
| Apr 15, 2003 | 6,547,836 | Process for obtaining monohydrated lithium sulfate from natural brines | Materials, metallurgy | SQM Salar S.A. |
| Aug 17, 1999 | 5,938,813 | Granular coated particles containing urea and metal nitrate, and process for making the same | Basic materials chemistry | SQM Nitratos, S.A. |
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.