- All sections
- C - Chemistry; metallurgy
- C08C - Treatment or chemical modification of rubbers
- C08C 3/00 - Treatment of coagulated rubber
Patent holdings for IPC class C08C 3/00
Total number of patents in this class: 29
10-year publication summary
|
4
|
1
|
5
|
3
|
1
|
5
|
1
|
0
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7067 |
6 |
| Compagnie Generale des Etablissements Michelin | 4450 |
4 |
| Zeon Corporation | 3854 |
3 |
| Toyo Tire Corporation | 943 |
3 |
| Continental Reifen Deutschland GmbH | 2324 |
2 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
2 |
| LG Chem, Ltd. | 17205 |
1 |
| The Yokohama Rubber Co., Ltd. | 3929 |
1 |
| Appia, LLC | 4 |
1 |
| Momentive Specialty Chemicals Inc. | 55 |
1 |
| Sekhar Research Innovations Sdn. Bhd. | 4 |
1 |
| Qingdao University of Science & Technology | 25 |
1 |
| Momentive Specialty Chemicals Research Belgium S.A. | 59 |
1 |
| NAIR, Sushil, Sukumaran | 2 |
1 |
| Aflatex Technologies, Lda | 1 |
1 |
| Other owners | 0 |