Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
639 patents granted to the 13 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 Albemarle Corporation’s names, not what it holds today.
Patents granted
639
637 utility, 2 reissue, 1976 to Dec 31, 2025
Granted in 2025
12
Against 12 in 2024 and 4 in 2023
Applications published
384
17 of them in 2025
Names they are printed under
13
its own name, a subsidiary
By yearGrantedApplications published
'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
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
Chemical engineering15
Electrical machinery, apparatus, energy12
Macromolecular chemistry, polymers8
Materials, metallurgy5
Organic fine chemistry5
Basic materials chemistry1
Textile and paper machines1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name13 counted
ALBEMARLE CORPORATION its own name
US, as the owner printed on each patent
227 publishedAlbemarle Corporation its own name
named as the applicant on its applications, in US
77 publishedAlbemarle Netherlands B.V. a subsidiary
NL, as the owner printed on each patent. 2 more under the same name are not counted (printed in US)
35 publishedALBEMARLE GERMANY GMBH a subsidiary
DE, as the owner printed on each patent
1 publishedALBEMARLE GERMANY GMBH a subsidiary
named as the applicant on its applications, in DE
23 publishedALBEMARLE EUROPE SRL a subsidiary
BE, as the owner printed on each patent. 1 more under the same name are not counted (printed in NL)
10 publishedAlbemarle Europe SRL a subsidiary
named as the applicant on its applications, in BE
6 publishedKetjen Limited Liability Company a subsidiary
US, as the owner printed on each patent
2 publishedALBEMARLE AMENDMENTS, LLC a subsidiary
US, as the owner printed on each patent
0 publishedAlbemarle Netherlands B.V. a subsidiary
named as the applicant on its applications, in NL
1 publishedKetjen Limited Liability Company a subsidiary
named as the applicant on its applications, in US
1 publishedKetjen Netherlands B.V. a subsidiary
NL, as the owner printed on each patent
0 publishedKetjen Netherlands B.V. a subsidiary
named as the applicant on its applications, in NL
1 publishedNames not counted (3)
LiBrA Insurance Company, Inc.
Most of its patents print IL; this name counts in US. 0 granted and 1 published under it are not counted.
LiBrA Insurance Company, Inc.
Most of its patents print IL; this name counts in US. 0 granted and 1 published under it are not counted.
Western Lithium Pty Ltd
Most of its patents print CA; this name counts in AU. 1 granted and 0 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Dec 9, 2025 | 12,494,507 | Flame retardants for battery electrolytes | Electrical machinery, apparatus, energy | ALBEMARLE CORPORATION |
| Dec 2, 2025 | 12,486,291 | Stable alkali amide solutions and processes for preparing same | Organic fine chemistry | ALBEMARLE GERMANY GMBH |
| Sep 23, 2025 | 12,421,123 | Methods for extracting boron from an organic solution | Materials, metallurgy | ALBEMARLE CORPORATION |
| Sep 23, 2025 | 12,420,259 | Processes for reducing environmental availability of environmental pollutants | Chemical engineering | ALBEMARLE AMENDMENTS, LLC |
| Aug 26, 2025 | 12,397,332 | Processes for reducing environmental availability of environmental pollutants | Chemical engineering | ALBEMARLE AMENDMENTS, LLC |
| Jul 29, 2025 | 12,374,681 | Methods for prelithiating electrodes using lithium silicon alloys | Electrical machinery, apparatus, energy | ALBEMARLE CORPORATION |
| Jul 22, 2025 | 12,368,159 | Particles comprising silicon and lithium | Electrical machinery, apparatus, energy | ALBEMARLE CORPORATION |
| Jun 10, 2025 | 12,325,641 | Systems and methods for producing lithium carbonate and uses thereof | Materials, metallurgy | ALBEMARLE CORPORATION |
| Apr 29, 2025 | 12,285,740 | Direct lithium extraction compositions and methods | Chemical engineering | ALBEMARLE CORPORATION |
| Feb 25, 2025 | 12,234,304 | Process and catalyst for hydrogen mediated saline hydride initiated anionic chain transfer polymerization | Macromolecular chemistry, polymers | ALBEMARLE CORPORATION |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Dec 25, 2025 | 2025/0387777 | DIRECT LITHIUM EXTRACTION COMPOSITIONS AND METHODS | Chemical engineering | ALBEMARLE CORPORATION |
| Dec 11, 2025 | 2025/0376381 | METHODS FOR EXTRACTING BORON FROM AN ORGANIC SOLUTION | Materials, metallurgy | ALBEMARLE CORPORATION |
| Nov 20, 2025 | 2025/0353760 | METHOD OF REDUCING ENVIRONMENTAL METHYLMERCURY AND LIMITING ITS UPTAKE INTO PLANTS AND ORGANISMS | Chemical engineering | Albemarle Corporation |
| Oct 30, 2025 | 2025/0333321 | SYSTEMS AND METHODS FOR PRODUCING LITHIUM CARBONATE AND USES THEREOF | Materials, metallurgy | ALBEMARLE CORPORATION |
| Oct 30, 2025 | 2025/0333320 | SYSTEMS AND METHODS FOR PRODUCING LITHIUM CARBONATE AND USES THEREOF | Materials, metallurgy | ALBEMARLE CORPORATION |
| Oct 30, 2025 | 2025/0333319 | PROCESS FOR PRODUCING LITHIUM HYDROXIDE MONOHYDRATE | Materials, metallurgy | ALBEMARLE CORPORATION |
| Oct 16, 2025 | 2025/0320230 | STABLE ALKALI AMIDE SOLUTIONS AND PROCESS FOR THEIR PREPARATION | Organic fine chemistry | ALBEMARLE GERMANY GMBH |
| Aug 21, 2025 | 2025/0263296 | PROCESS FOR PURIFYING HYDROGEN HALIDE SOLUTIONS CONTAINING ORGANIC IMPURITIES | Materials, metallurgy | Albemarle Corporation |
| Jul 3, 2025 | 2025/0219063 | PARTICLES COMPRISING SILICON AND LITHIUM | Electrical machinery, apparatus, energy | ALBEMARLE CORPORATION |
| Jul 3, 2025 | 2025/0214069 | Supported Hydrotreating Catalysts Having Enhanced Activity | Chemical engineering | Ketjen Netherlands B.V. |
What it applied for, 2024 to 2025: Chemical engineering 12 · Materials, metallurgy 9 · Electrical machinery, apparatus, energy 7 · Macromolecular chemistry, polymers 5 · Environmental technology 1 · Basic materials chemistry 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.