- 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: 1049
10-year publication summary
67
|
77
|
103
|
122
|
124
|
92
|
86
|
89
|
88
|
24
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BASF SE | 19740 |
25 |
NGK Insulators, Ltd. | 4589 |
21 |
TDK Corporation | 6306 |
19 |
General Electric Company | 18133 |
17 |
Corning Incorporated | 9932 |
17 |
Centre National de La Recherche Scientifique | 9632 |
15 |
Rtx Corporation | 8674 |
15 |
Saint-Gobain Centre de Recherches et d'Etudes Europeen | 475 |
14 |
Refractory Intellectual Property GmbH & Co. KG | 502 |
13 |
Canon Inc. | 36841 |
12 |
3m Innovative Properties Company | 18406 |
11 |
Murata Manufacturing Co., Ltd. | 22355 |
11 |
Safran Ceramics | 366 |
11 |
Sekisui Chemical Co., Ltd. | 3159 |
9 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
8 |
HRL Laboratories, LLC | 1588 |
8 |
Comadur S.A. | 81 |
7 |
Rolex S.A. | 606 |
7 |
Shanghai Institute of Ceramics, Chinese Academy of Sciences | 153 |
7 |
TDK Electronics AG | 863 |
7 |
Other owners | 795 |