- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 77/52 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages containing aromatic rings
Patent holdings for IPC class C08G 77/52
Total number of patents in this class: 150
10-year publication summary
9
|
19
|
19
|
18
|
13
|
5
|
8
|
6
|
7
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Shin-Etsu Chemical Co., Ltd. | 5132 |
55 |
Dow Silicones Corporation | 1664 |
7 |
International Business Machines Corporation | 60644 |
5 |
ABS Materials, Inc. | 18 |
5 |
The Boeing Company | 19843 |
4 |
Dow Toray Co., Ltd. | 494 |
4 |
ABM (abc), LLC | 12 |
4 |
Merck Patent GmbH | 5909 |
3 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
3 |
Johnson & Johnson Vision Care, Inc. | 1255 |
2 |
The United States of America as represented by the Secretary of the Navy | 2734 |
2 |
Daikin Industries, Ltd. | 9495 |
2 |
Dow Corning Corporation | 1072 |
2 |
Korea Advanced Institute of Science and Technology | 3906 |
2 |
BraggOne Oy | 15 |
2 |
Cambridge Enterprise Limited | 1096 |
2 |
Citibank, N.A., AS Administrative Agent | 295 |
2 |
Dow Corning Toray Co., Ltd. | 562 |
2 |
The Hong Kong University of Science and Technology | 638 |
2 |
Momentive Performance Materials GmbH | 120 |
2 |
Other owners | 38 |