- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 29/40 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy groups, e.g. O-metal by reaction with aldehydes or ketones with compounds containing carbon-to-metal bonds
Patent holdings for IPC class C07C 29/40
Total number of patents in this class: 50
10-year publication summary
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3
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3
|
1
|
3
|
5
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3
|
2
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2
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2
|
1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DSM IP Assets B.V. | 5856 |
3 |
| BASF SE | 19740 |
2 |
| Lonza Ltd. | 609 |
2 |
| MERZ PHARMA GmbH & CO. KGaA | 624 |
2 |
| National University Corporation Nagoya University | 921 |
2 |
| Tokuyama Corporation | 1248 |
2 |
| UPL Limited | 524 |
2 |
| V. Mane Fils | 169 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
1 |
| E. I. du Pont de Nemours and Company | 4345 |
1 |
| AstraZeneca AB | 3042 |
1 |
| Boehringer Ingelheim International GmbH | 4629 |
1 |
| Bayer Cropscience AG | 2241 |
1 |
| Shell Oil Company | 2196 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
1 |
| California Institute of Technology | 3884 |
1 |
| Mitsui Chemicals, Inc. | 3134 |
1 |
| Agency for Science, Technology and Research | 3512 |
1 |
| University of Southern California | 2016 |
1 |
| Japan Science and Technology Agency | 1564 |
1 |
| Other owners | 21 |