- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 18/65 - Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
Patent holdings for IPC class C08G 18/65
Total number of patents in this class: 591
10-year publication summary
48
|
32
|
48
|
51
|
48
|
36
|
41
|
36
|
26
|
24
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BASF SE | 20979 |
35 |
DIC Corporation | 3812 |
26 |
Mitsui Chemicals, Inc. | 3232 |
18 |
Dow Global Technologies LLC | 10402 |
16 |
Lubrizol Advanced Materials, Inc. | 951 |
13 |
Covestro Deutschland AG | 2765 |
11 |
Sika Technology AG | 2875 |
11 |
Nippon Polyurethane Industry Co., Ltd. | 89 |
10 |
Huntsman International LLC | 721 |
9 |
Ube Industries, Ltd. | 838 |
9 |
Evonik Operations GmbH | 4154 |
9 |
Mitsubishi Chemical Corporation | 4538 |
8 |
Henkel AG & Co. KGaA | 10609 |
8 |
Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 370 |
7 |
Tosoh Corporation | 1314 |
7 |
DKS Co. Ltd. | 193 |
7 |
Hewlett-Packard Development Company, L.P. | 25813 |
6 |
Shin-Etsu Chemical Co., Ltd. | 5685 |
6 |
Showa Denko K.K. | 2204 |
6 |
Adeka Corporation | 1368 |
6 |
Other owners | 363 |