Dichroic dye composition
US-11939512-B2 · Mar 26, 2024 · US
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Ptak Ewa patents
Ptak Ewa is listed as an inventor on 6 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ptak Ewa |
| Total patents | 6 |
| First publication | Jun 3, 2021 |
| Latest publication | Mar 26, 2024 |
Notable patents
Publications ranked by popularity score, then publication date.
Liquid-crystalline medium for use in a switching element
US-11760931-B2 · Sep 19, 2023 · US
Liquid crystalline medium
US-11667845-B2 · Jun 6, 2023 · US
Dichroic dye composition
US-2023053362-A1 · Feb 23, 2023 · US
Liquid crystalline medium
US-2021238481-A1 · Aug 5, 2021 · US
Liquid-crystalline medium for use in a switching element
US-2021163820-A1 · Jun 3, 2021 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Merck Patent Gmbh | 5 |
| Merck Patent Gmbh | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K2019/3009 | 6 |
| C09K2019/3025 | 6 |
| C09K2019/3019 | 6 |
| C09K2019/3021 | 6 |
| C09K2019/0466 | 6 |