Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
1,590 patents granted to the 17 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 LyondellBasell Industries N.V.’s names, not what it holds today.
Patents granted
1,590
1,585 utility, 5 reissue, 1976 to Dec 31, 2025
Granted in 2025
30
Against 29 in 2024 and 21 in 2023
Applications published
1,222
58 of them in 2025
Names they are printed under
17
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
Macromolecular chemistry, polymers76
Chemical engineering22
Organic fine chemistry16
Other special machines13
Basic materials chemistry11
Surface technology, coating5
Textile and paper machines5
Civil engineering2
Materials, metallurgy2
Measurement1
Electrical machinery, apparatus, energy1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name17 counted
Basell Poliolefine Italia S.r.l. a subsidiary
IT, as the owner printed on each patent. 4 more under the same name are not counted (printed in IL, printed in NL)
460 granted
540 publishedBasell Polyolefine GmbH a subsidiary
DE, as the owner printed on each patent. 1 more under the same name are not counted (printed in US)
478 granted
355 publishedEquistar Chemicals, LP a subsidiary
US, as the owner printed on each patent
410 granted
139 publishedLyondell Chemical Technology, L.P. a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in DE)
192 granted
81 publishedLyondellBasell Acetyls, LLC a subsidiary
US, as the owner printed on each patent
26 granted
29 publishedLyondellBasell Advanced Polymers Inc. a subsidiary
US, as the owner printed on each patent
11 granted
17 publishedBASELL POLIOLEFINE ITALIA S.R.L. a subsidiary
named as the applicant on its applications, in IT. 1 more under the same name are not counted (printed in IL)
0 granted
20 publishedBasell Polyolefine GmbH a subsidiary
named as the applicant on its applications, in DE. 1 more under the same name are not counted (printed in IT)
0 granted
15 publishedEquistar Chemicals, LP a subsidiary
named as the applicant on its applications, in US
0 granted
10 publishedQUANTUM COMPOSITES, INC. a subsidiary
US, as the owner printed on each patent
5 granted
3 publishedA. SCHULMAN PLASTICS a subsidiary
BE, as the owner printed on each patent
4 granted
3 publishedLYONDELL CHEMICAL COMPANY a subsidiary
US, as the owner printed on each patent
1 granted
3 publishedLyondell Chemical Technology, L.P. a subsidiary
named as the applicant on its applications, in US
0 granted
4 publishedBulk Molding Compounds, Inc. a subsidiary
US, as the owner printed on each patent
3 granted
0 publishedLYONDELLBASELL COMPOSITES LLC a subsidiary
US, as the owner printed on each patent
0 granted
1 publishedLyondell Chemie Nederland B.V. a subsidiary
NL, as the owner printed on each patent
0 granted
1 publishedLyondellBasell Acetyls, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
Names not counted (7)
A. Schulman GmbH
Most of its patents print US; this name counts in DE, FR, GB. 16 granted and 11 published under it are not counted.
A. Schulman GmbH
Most of its patents print US; this name counts in DE, FR, GB. 0 granted and 14 published under it are not counted.
Elian S.A.S.
Most of its patents print US; this name counts in FR. 0 granted and 7 published under it are not counted.
Elian S.A.S.
Most of its patents print US; this name counts in FR. 3 granted and 0 published under it are not counted.
Polar S.r.l.
Most of its patents print KR; this name counts in IT. 0 granted and 3 published under it are not counted.
Basell North America Inc.
No country is printed for it. 0 granted and 1 published under it are not counted.
Polar S.r.l.
Most of its patents print KR; this name counts in IT. 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 30, 2025 | 12,509,533 | Process for the preparation of a catalyst component and components therefrom obtained | Macromolecular chemistry, polymers | Basell Poliolefine Italia S.r.l. |
| Dec 30, 2025 | 12,508,561 | High-pressure polymerization system and high-pressure polymerization process for the polymerization of ethylenically unsaturated monomers | Chemical engineering | Basell Polyolefine GmbH |
| Nov 4, 2025 | 12,460,072 | Propylene-based composition for pipes | Macromolecular chemistry, polymers | Basell Poliolefine Italia S.r.l. |
| Nov 4, 2025 | 12,460,022 | Suspension process for preparing ethylene polymers comprising workup of the suspension medium | Macromolecular chemistry, polymers | Basell Polyolefine GmbH |
| Nov 4, 2025 | 12,459,867 | Asphalt material | Materials, metallurgy | Basell Poliolefine Italia S.r.l. |
| Oct 7, 2025 | 12,435,052 | Systems and methods for removing or reducing water in mixtures that include t-butyl hydroperoxide | Chemical engineering | Lyondell Chemical Technology, L.P. |
| Sep 16, 2025 | 12,415,911 | Polyethylene composition for filaments or fibers | Textile and paper machines | Basell Polyolefine GmbH |
| Sep 16, 2025 | 12,415,910 | Polyethylene composition for blow molding having an improved swell behavior | Macromolecular chemistry, polymers | Basell Polyolefine GmbH |
| Aug 26, 2025 | 12,398,260 | Polypropylene composition | Macromolecular chemistry, polymers | Basell Poliolefine Italia S.r.l. |
| Aug 5, 2025 | 12,378,392 | Polyolefin compositions with high dimensional stability for sheet applications | Macromolecular chemistry, polymers | Equistar Chemicals, LP |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Dec 18, 2025 | 2025/0381722 | MULTILAYER FILM | Other special machines | Basell Poliolefine Italia S.r.l. |
| Dec 11, 2025 | 2025/0376612 | PLA DISPERSION AS FILTRATION CONTROL AGENT IN DRILLING FLUIDS | Basic materials chemistry | LyondellBasell Advanced Polymers Inc. |
| Dec 11, 2025 | 2025/0376582 | POLYPROPYLENE COMPOSITIONS CONTAINING RECYCLED POLYOLEFIN | Macromolecular chemistry, polymers | Basell Poliolefine Italia S.r.l. |
| Dec 11, 2025 | 2025/0376547 | CONTINUOUS OLEFIN POLYMERIZATION PROCESS IN THE PRESENCE OF AN ANTISTATIC AGENT | Macromolecular chemistry, polymers | Basell Polyolefine GmbH |
| Dec 4, 2025 | 2025/0368890 | ANTI-CAKING OR BLOCKING AGENT FOR TREATING SOLID ACID PRECURSOR ADDITIVES USED IN TREATING SUBTERRANEAN FORMATIONS | Basic materials chemistry | LyondellBasell Advanced Polymers Inc. |
| Dec 4, 2025 | 2025/0368812 | POLYMER RECYCLATE BLENDS AND PRODUCTS | Other special machines | Equistar Chemicals, LP |
| Nov 27, 2025 | 2025/0361390 | PROPYLENE-BASED COPOLYMER COMPOSITON | Macromolecular chemistry, polymers | Basell Poliolefine Italia S.r.l. |
| Nov 27, 2025 | 2025/0361337 | VISBREAKING OF rLDPE WITH ULTRA LOW MFR | Other special machines | Basell Polyolefine GmbH |
| Nov 20, 2025 | 2025/0354002 | PROPYLENE-BASED COPOLYMER COMPOSITON | Macromolecular chemistry, polymers | Basell Poliolefine Italia S.r.l. |
| Nov 13, 2025 | 2025/0346747 | POLYOLEFIN COMPOSITIONS OBTAINED FROM RECYCLED POLYOLEFINS | Macromolecular chemistry, polymers | Basell Poliolefine Italia S.r.l. |
What it applied for, 2024 to 2025: Macromolecular chemistry, polymers 65 · Other special machines 11 · Basic materials chemistry 10 · Chemical engineering 10 · Organic fine chemistry 10 · Surface technology, coating 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.