- All sections
- C - Chemistrymetallurgy
- C09D - Coating compositions, e.g. paints, varnishes or lacquersfilling pasteschemical paint or ink removersinkscorrecting fluidswoodstainspastes or solids for colouring or printinguse of materials therefor
- C09D 129/04 - Polyvinyl alcoholPartially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
Patent holdings for IPC class C09D 129/04
Total number of patents in this class: 691
10-year publication summary
|
58
|
62
|
55
|
47
|
46
|
47
|
64
|
60
|
52
|
46
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3544 |
58 |
| Hewlett-Packard Development Company, L.P. | 25577 |
18 |
| Mitsubishi Chemical Corporation | 4612 |
17 |
| Xerox Corporation | 6919 |
11 |
| Sumitomo Chemical Company, Limited | 9109 |
11 |
| Nihon Parkerizing Co., Ltd. | 291 |
10 |
| Sun Chemical Corporation | 830 |
10 |
| Nippon Paint Surf Chemicals Co., Ltd. | 96 |
9 |
| Toppan Printing Co., Ltd. | 2122 |
9 |
| FUJIFILM Corporation | 29839 |
8 |
| Stora Enso Oyj | 1665 |
8 |
| Dow Global Technologies LLC | 10571 |
7 |
| Mayr-Melnhof Karton Aktiengesellschaft | 225 |
7 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 296 |
7 |
| Omya International AG | 770 |
7 |
| LG Chem, Ltd. | 17706 |
6 |
| Ricoh Company, Ltd. | 13368 |
6 |
| Nitto Denko Corporation | 8358 |
6 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 373 |
6 |
| e Ink Corporation | 1524 |
6 |
| Other owners | 464 |