- All sections
- C - Chemistry; metallurgy
- C09D - Coating compositions, e.g. paints, varnishes or lacquers; filling pastes; chemical paint or ink removers; inks; correcting fluids; woodstains; pastes or solids for colouring or printing; use of materials therefor
- C09D 179/04 - Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
Patent holdings for IPC class C09D 179/04
Total number of patents in this class: 221
10-year publication summary
|
37
|
36
|
20
|
16
|
15
|
25
|
14
|
16
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Chemical Industries, Ltd. | 1822 |
26 |
| Soprema | 80 |
11 |
| Universite de Haute Alsace | 136 |
11 |
| Nissan Chemical Corporation | 1725 |
10 |
| PPG Industries Ohio, Inc. | 3430 |
7 |
| 3m Innovative Properties Company | 18406 |
6 |
| International Business Machines Corporation | 60644 |
6 |
| KCC Corporation | 256 |
5 |
| Samsung SDI Co., Ltd. | 6671 |
4 |
| Idemitsu Kosan Co., Ltd. | 3995 |
4 |
| Henkel AG & Co. KGaA | 10129 |
4 |
| Polym Technology Corporation | 7 |
4 |
| Rohm and Haas Electronic Materials Korea Ltd. | 546 |
4 |
| Sumitomo Bakelite Co., Ltd. | 1416 |
4 |
| LG Chem, Ltd. | 17205 |
3 |
| Daikin Industries, Ltd. | 9495 |
3 |
| Compagnie générale des établissements Michelin SCA | 2477 |
3 |
| Toray Industries, Inc. | 6652 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
3 |
| PBI Performance Products, Inc. | 90 |
3 |
| Other owners | 97 |