- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 61/12 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with polyhydric phenols
Patent holdings for IPC class C08L 61/12
Total number of patents in this class: 169
10-year publication summary
|
19
|
20
|
15
|
11
|
8
|
10
|
3
|
1
|
3
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Compagnie Generale des Etablissements Michelin | 4969 |
12 |
| DIC Corporation | 3961 |
7 |
| The Sherwin-Williams Company | 511 |
6 |
| Sumitomo Chemical Company, Limited | 8996 |
5 |
| Bridgestone Corporation | 7251 |
4 |
| Compagnie générale des établissements Michelin SCA | 2715 |
4 |
| Michelin Recherche et Technique S.A. | 2086 |
4 |
| Sumitomo Bakelite Co., Ltd. | 1533 |
4 |
| Blueshift Materials, Inc. | 82 |
4 |
| Centre National de La Recherche Scientifique | 11016 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 6083 |
3 |
| Dow Global Technologies LLC | 10930 |
3 |
| Engineered Polymer Solutions, Inc. (a Delaware corporation) | 142 |
3 |
| Milliken & Company | 1147 |
3 |
| UPM-Kymmene Corporation | 993 |
3 |
| The Valspar Corporation | 147 |
3 |
| Valspar Sourcing, Inc. | 312 |
3 |
| Giesecke+Devrient Currency Technology GmbH | 953 |
3 |
| SWIMC, LLC | 2576 |
3 |
| The Sherwin-Williams Headquarters Company | 143 |
3 |
| Other owners | 86 |