- 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: 623
10-year publication summary
|
47
|
42
|
44
|
53
|
45
|
38
|
60
|
55
|
51
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20904 |
39 |
| Yale University | 2368 |
17 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 112 |
15 |
| DuPont Teijin Films U.S. Limited Partnership | 113 |
14 |
| Arkema France | 4061 |
13 |
| The University of Akron | 651 |
13 |
| The Procter & Gamble Company | 22037 |
10 |
| Massachusetts Institute of Technology | 10036 |
10 |
| The Penn State Research Foundation | 1517 |
10 |
| DSM IP Assets B.V. | 5605 |
9 |
| LG Chem, Ltd. | 17598 |
8 |
| The Board of Trustees of the Leland Stanford Junior University | 6402 |
8 |
| Biome BIOPLASTICS Limited | 21 |
7 |
| BYK-Chemie GmbH | 443 |
7 |
| Medtronic, Inc. | 9798 |
6 |
| Industrial Technology Research Institute | 5085 |
6 |
| Clariant International Ltd. | 940 |
6 |
| Sociedad Anonima Minera Catalano Aragonesa | 17 |
6 |
| International Business Machines Corporation | 61207 |
5 |
| Sumitomo Chemical Company, Limited | 9040 |
5 |
| Other owners | 409 |