- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 39/06 - Homopolymers or copolymers of N-vinyl-pyrrolidones
Patent holdings for IPC class C08L 39/06
Total number of patents in this class: 319
10-year publication summary
|
13
|
20
|
30
|
32
|
34
|
41
|
45
|
23
|
29
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
20 |
| Johnson & Johnson Vision Care, Inc. | 1255 |
7 |
| DexCom, Inc. | 1502 |
6 |
| Hollister Incorporated | 930 |
6 |
| The Procter & Gamble Company | 22178 |
5 |
| Toray Industries, Inc. | 6652 |
5 |
| Mitsubishi Chemical Corporation | 4313 |
5 |
| ISP Investments Inc. | 485 |
5 |
| Mediprint Ophthalmics, Inc. | 13 |
5 |
| LG Chem, Ltd. | 17205 |
4 |
| FUJIFILM Corporation | 27102 |
4 |
| Ricoh Company, Ltd. | 13266 |
4 |
| e Ink Corporation | 1411 |
4 |
| Nippon Shokubai Co., Ltd. | 1487 |
4 |
| Eastman Kodak Company | 3444 |
3 |
| Rohm and Haas Company | 2805 |
3 |
| Alcon, Inc. | 4899 |
3 |
| BioInteractions, Ltd. | 30 |
3 |
| Institut National de La Recherche Scientifique | 246 |
3 |
| Sekisui Specialty Chemicals America, LLC | 37 |
3 |
| Other owners | 217 |