- 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: 166
10-year publication summary
16
|
19
|
20
|
15
|
11
|
8
|
10
|
3
|
1
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Compagnie Generale des Etablissements Michelin | 4742 |
12 |
DIC Corporation | 3780 |
7 |
The Sherwin-Williams Company | 544 |
6 |
Sumitomo Chemical Company, Limited | 9031 |
5 |
Bridgestone Corporation | 7248 |
4 |
Compagnie générale des établissements Michelin SCA | 2565 |
4 |
Michelin Recherche et Technique S.A. | 2182 |
4 |
Sumitomo Bakelite Co., Ltd. | 1492 |
4 |
Blueshift Materials, Inc. | 83 |
4 |
Centre National de La Recherche Scientifique | 10408 |
3 |
Shin-Etsu Chemical Co., Ltd. | 5632 |
3 |
Dow Global Technologies LLC | 10401 |
3 |
Engineered Polymer Solutions, Inc. (a Delaware corporation) | 148 |
3 |
Milliken & Company | 1198 |
3 |
The Valspar Corporation | 153 |
3 |
Valspar Sourcing, Inc. | 345 |
3 |
Giesecke+Devrient Currency Technology GmbH | 885 |
3 |
SWIMC, LLC | 2498 |
3 |
The Sherwin-Williams Headquarters Company | 149 |
3 |
Sumitomo Chemical Advanced Technologies LLC, d.b.a. Sumika Electronic Materials | 11 |
3 |
Other owners | 83 |