- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 35/634 - Polymers
Patent holdings for IPC class C04B 35/634
Total number of patents in this class: 1106
10-year publication summary
|
78
|
103
|
122
|
124
|
92
|
86
|
89
|
88
|
87
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20432 |
28 |
| Corning Incorporated | 10125 |
20 |
| NGK Insulators, Ltd. | 4792 |
19 |
| TDK Corporation | 6539 |
18 |
| General Electric Company | 17789 |
17 |
| Rtx Corporation | 9109 |
17 |
| Centre National de La Recherche Scientifique | 10102 |
15 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 486 |
14 |
| Refractory Intellectual Property GmbH & Co. KG | 524 |
13 |
| Canon Inc. | 38148 |
12 |
| 3m Innovative Properties Company | 17957 |
11 |
| Safran Ceramics | 392 |
11 |
| Sekisui Chemical Co., Ltd. | 3308 |
11 |
| Murata Manufacturing Co., Ltd. | 23702 |
10 |
| HRL Laboratories, LLC | 1583 |
8 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
7 |
| Comadur S.A. | 84 |
7 |
| Kuraray Europe GmbH | 212 |
7 |
| Rolex S.A. | 647 |
7 |
| Shanghai Institute of Ceramics, Chinese Academy of Sciences | 156 |
7 |
| Other owners | 847 |