- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/685 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing nitrogen
Patent holdings for IPC class C08G 63/685
Total number of patents in this class: 625
10-year publication summary
|
44
|
39
|
43
|
49
|
39
|
35
|
54
|
52
|
50
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21072 |
39 |
| Yale University | 2442 |
17 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 115 |
15 |
| Arkema France | 4169 |
14 |
| DuPont Teijin Films U.S. Limited Partnership | 110 |
14 |
| The University of Akron | 644 |
12 |
| The Procter & Gamble Company | 21999 |
10 |
| Massachusetts Institute of Technology | 10130 |
10 |
| The Penn State Research Foundation | 1560 |
10 |
| LG Chem, Ltd. | 17682 |
8 |
| The Board of Trustees of the Leland Stanford Junior University | 6526 |
8 |
| DSM IP Assets B.V. | 5562 |
8 |
| Biome BIOPLASTICS Limited | 23 |
8 |
| BYK-Chemie GmbH | 447 |
7 |
| Medtronic, Inc. | 9843 |
6 |
| Industrial Technology Research Institute | 5082 |
6 |
| Clariant International Ltd. | 929 |
6 |
| Sociedad Anonima Minera Catalano Aragonesa | 17 |
6 |
| International Business Machines Corporation | 61734 |
5 |
| Sumitomo Chemical Company, Limited | 9110 |
5 |
| Other owners | 411 |