- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 64/02 - Aliphatic polycarbonates
Patent holdings for IPC class C08G 64/02
Total number of patents in this class: 751
10-year publication summary
53
|
49
|
50
|
65
|
59
|
72
|
47
|
52
|
28
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Chemical Corporation | 4313 |
60 |
Teijin Limited | 1216 |
37 |
Saudi Aramco Technologies Company | 107 |
37 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
35 |
Sumitomo Seika Chemicals Co., Ltd. | 1028 |
30 |
BASF SE | 19740 |
28 |
International Business Machines Corporation | 60644 |
28 |
LG Chem, Ltd. | 17205 |
23 |
Covestro Deutschland AG | 2429 |
23 |
SK Innovation Co., Ltd. | 1015 |
17 |
Dow Global Technologies LLC | 10147 |
13 |
Agency for Science, Technology and Research | 3512 |
13 |
Asahi Kasei Kabushiki Kaisha | 2429 |
12 |
Lotte Chemical Corporation | 591 |
12 |
Mitsubishi Rayon Co., Ltd. | 1003 |
11 |
Novomer, Inc. | 198 |
11 |
National University Corporation Tokyo University of Agriculture and Technology | 341 |
10 |
Roquette Freres | 1002 |
9 |
Total Research & Technology Feluy | 461 |
7 |
Sabic Innovative Plastics IP B.V. | 683 |
6 |
Other owners | 329 |