Multifunctional wax dispersant for subterranean chemical applications
US-12454641-B2 · Oct 28, 2025 · US
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Sirak Sofia patents
Sirak Sofia is listed as an inventor on 18 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Sirak Sofia |
| Total patents | 18 |
| First publication | Aug 20, 2020 |
| Latest publication | Oct 28, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Process for preparing homo- and copolymers of alkyl (meth)acrylates with low residual monomer content
US-12252661-B2 · Mar 18, 2025 · US
Ethylene vinyl acetate-based dispersions suitable as pour point depressants with improved performance and stability
US-2025011637-A1 · Jan 9, 2025 · US
Process for preparing low molecular weight polyacrylates and products thereof
US-2025002614-A1 · Jan 2, 2025 · US
Multifunctional wax dispersant for subterranean chemical applications
US-11999901-B2 · Jun 4, 2024 · US
Process for preparing homo- and copolymers of alkyl (meth)acrylates with low residual monomer content
US-2024043768-A1 · Feb 8, 2024 · US
Multifunctional wax dispersant for subterranean chemical applications
US-2023416596-A1 · Dec 28, 2023 · US
Multifunctional wax dispersant for subterranean chemical applications
US-2023348777-A1 · Nov 2, 2023 · US
Vegetable oils with improved low temperature storage stability
US-11421180-B2 · Aug 23, 2022 · US
Antiwear copolymers and lubricant compositions
US-11359042-B2 · Jun 14, 2022 · US
Recent patents
Latest publications not already listed above.
Polymeric-inorganic nanoparticle compositions, manufacturing process thereof and their use as lubricant additives
US-11198833-B2 · Dec 14, 2021 · US
Polymeric-inorganic nanoparticle compositions, manufacturing process thereof and their use as lubricant additives
US-11180712-B2 · Nov 23, 2021 · US
Polymeric-inorganic particles useful as lubricant additives
US-10954466-B2 · Mar 23, 2021 · US
Polymeric-inorganic nanoparticle compositions, manufacturing process thereof and their use as lubricant additives
US-2021062106-A1 · Mar 4, 2021 · US
Polymeric-inorganic nanoparticle compositions, manufacturing process thereof and their use as lubricant additives
US-2020369977-A1 · Nov 26, 2020 · US
Vegetable oils with improved low temperature storage stability
US-2020354646-A1 · Nov 12, 2020 · US
Hydrogenated polybutadienes useful as lubricant additives
US-10787623-B2 · Sep 29, 2020 · US
Antiwear copolymers and lubricant compositions
US-2020262953-A1 · Aug 20, 2020 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Evonik Operations Gmbh | 18 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C10M2209/084 | 11 |
| C10N2020/04 | 9 |
| C10N2040/04 | 8 |
| C10N2030/06 | 7 |
| C08F220/1812 | 6 |