- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 29/149 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof with hydrogen or hydrogen-containing gases
Patent holdings for IPC class C07C 29/149
Total number of patents in this class: 614
10-year publication summary
|
62
|
46
|
37
|
33
|
28
|
29
|
21
|
23
|
23
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 879 |
149 |
| BASF SE | 19740 |
28 |
| Eastman Chemical Company | 2239 |
21 |
| Archer Daniels Midland Company | 1164 |
13 |
| Hanwha Solutions Corporation | 572 |
13 |
| Kao Corporation | 4843 |
12 |
| Johnson Matthey Public Limited Company | 1852 |
12 |
| Takasago International Corporation | 406 |
12 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
11 |
| BP p.l.c. | 498 |
10 |
| Johnson Matthey Davy Technologies Limited | 216 |
9 |
| Xyleco, Inc. | 217 |
9 |
| China Petroleum & Chemical Corporation | 1623 |
8 |
| Firmenich SA | 1612 |
8 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 614 |
7 |
| Avantium Knowledge Centre B.V. | 157 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
6 |
| DSM IP Assets B.V. | 5856 |
6 |
| Mitsubishi Chemical Corporation | 4313 |
6 |
| Clariant International Ltd. | 978 |
6 |
| Other owners | 261 |