- All sections
- B - Performing operationstransporting
- B29K - Indexing scheme associated with subclasses , or , relating to moulding materials or to materials for reinforcements, fillers or preformed parts, e.g. inserts
- B29K 29/00 - Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals as moulding material
Patent holdings for IPC class B29K 29/00
Total number of patents in this class: 442
10-year publication summary
|
48
|
35
|
42
|
39
|
26
|
19
|
26
|
23
|
41
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3589 |
45 |
| Nitto Denko Corporation | 8536 |
33 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 282 |
25 |
| Solutia Inc. | 402 |
25 |
| Sumitomo Chemical Company, Limited | 9016 |
21 |
| Mitsubishi Chemical Corporation | 4724 |
18 |
| Sekisui Chemical Co., Ltd. | 3614 |
12 |
| The Procter & Gamble Company | 21855 |
9 |
| Henkel AG & Co. KGaA | 10770 |
9 |
| Shanjin Optoelectronics (Suzhou) Co., Ltd. | 130 |
8 |
| Ricoh Company, Ltd. | 13342 |
6 |
| Plantic Technologies Ltd. | 45 |
5 |
| Synaptive Medical Inc. | 553 |
5 |
| Kuraray Europe GmbH | 228 |
4 |
| Reckitt Benckiser Finish B.V. | 579 |
4 |
| Saudi Arabian Oil Company | 14235 |
4 |
| William Marsh Rice University | 1070 |
4 |
| Shanjin Optoelectronics (Nanjing) Co., Ltd. | 149 |
4 |
| LG Chem, Ltd. | 17921 |
3 |
| Toray Plastics (America), Inc. | 197 |
3 |
| Other owners | 195 |