- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/634 - Polymers
Patent holdings for IPC class C04B 35/634
Total number of patents in this class: 1172
10-year publication summary
|
74
|
100
|
120
|
118
|
88
|
85
|
83
|
87
|
88
|
72
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21087 |
25 |
| Rtx Corporation | 9596 |
24 |
| Corning Incorporated | 10387 |
22 |
| NGK Insulators, Ltd. | 5144 |
19 |
| Centre National de La Recherche Scientifique | 10693 |
18 |
| TDK Corporation | 6743 |
18 |
| General Electric Company | 13840 |
17 |
| Refractory Intellectual Property GmbH & Co. KG | 554 |
14 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 490 |
14 |
| Safran Ceramics | 419 |
13 |
| Canon Inc. | 41108 |
12 |
| 3m Innovative Properties Company | 17730 |
11 |
| Sekisui Chemical Co., Ltd. | 3493 |
11 |
| Murata Manufacturing Co., Ltd. | 25001 |
10 |
| Quantumscape Battery, Inc. | 200 |
10 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10954 |
9 |
| HRL Laboratories, LLC | 1610 |
8 |
| Kuraray Europe GmbH | 224 |
8 |
| CeramTec GmbH | 330 |
7 |
| Comadur S.A. | 91 |
7 |
| Other owners | 895 |