- All sections
- B - Performing operationstransporting
- B41M - Printing, duplicating, marking, or copying processescolour printing
- B41M 5/15 - Spiro-pyrans
Patent holdings for IPC class B41M 5/15
Total number of patents in this class: 1
10-year publication summary
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PPG Industries Ohio, Inc. | 3354 |
1 |
| Other owners | 0 |