- All sections
- C - Chemistry; metallurgy
- 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: 581
10-year publication summary
|
40
|
47
|
42
|
44
|
53
|
43
|
38
|
59
|
52
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
35 |
| Yale University | 2204 |
15 |
| DuPont Teijin Films U.S. Limited Partnership | 143 |
14 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 96 |
13 |
| The University of Akron | 674 |
12 |
| Massachusetts Institute of Technology | 9795 |
11 |
| The Penn State Research Foundation | 1423 |
10 |
| DSM IP Assets B.V. | 5856 |
9 |
| Arkema France | 3790 |
9 |
| The Procter & Gamble Company | 22178 |
8 |
| LG Chem, Ltd. | 17205 |
7 |
| BYK-Chemie GmbH | 437 |
7 |
| Medtronic, Inc. | 9964 |
6 |
| Industrial Technology Research Institute | 4898 |
6 |
| Biome BIOPLASTICS Limited | 17 |
6 |
| Clariant International Ltd. | 978 |
6 |
| The Secant Group, LLC | 109 |
6 |
| Sociedad Anonima Minera Catalano Aragonesa | 17 |
6 |
| Pujing Chemical Industry Co., Ltd | 43 |
6 |
| International Business Machines Corporation | 60644 |
5 |
| Other owners | 384 |