- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 29/151 - 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 oxides of carbon exclusively with hydrogen or hydrogen-containing gases
Patent holdings for IPC class C07C 29/151
Total number of patents in this class: 859
10-year publication summary
|
48
|
67
|
66
|
50
|
63
|
95
|
73
|
87
|
89
|
33
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Topsoe A/S | 732 |
67 |
| Haldor Topsøe A/S | 698 |
46 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
30 |
| SABIC Global Technologies B.V. | 4044 |
28 |
| ExxonMobil Research And Engineering Company | 2830 |
22 |
| Johnson Matthey Davy Technologies Limited | 216 |
22 |
| Casale SA | 572 |
20 |
| Enerkem Inc. | 83 |
18 |
| Johnson Matthey Public Limited Company | 1852 |
17 |
| University of Southern California | 2016 |
16 |
| Fulcrum BioEnergy, Inc. | 48 |
16 |
| BP p.l.c. | 498 |
14 |
| Siemens AG | 24990 |
13 |
| ENI S.p.A. | 1241 |
12 |
| ThyssenKrupp Industrial Solutions AG | 729 |
12 |
| BP Chemicals Limited | 112 |
11 |
| Gascontec GmbH | 31 |
11 |
| Praxair Technology, Inc. | 1367 |
11 |
| Sekisui Chemical Co., Ltd. | 3159 |
11 |
| ThyssenKrupp AG | 3086 |
11 |
| Other owners | 451 |