- All sections
- C - Chemistrymetallurgy
- 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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1
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3
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5
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3
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2
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2
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2
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1
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3
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DSM IP Assets B.V. | 5387 |
3 |
| BASF SE | 21320 |
2 |
| Lonza Ltd. | 593 |
2 |
| MERZ PHARMA GmbH & CO. KGaA | 593 |
2 |
| National University Corporation Hokkaido University | 1385 |
2 |
| National University Corporation Nagoya University | 779 |
2 |
| Tokuyama Corporation | 1491 |
2 |
| UPL Limited | 638 |
2 |
| V. Mane Fils | 180 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3390 |
1 |
| E. I. du Pont de Nemours and Company | 3460 |
1 |
| AstraZeneca AB | 2823 |
1 |
| Boehringer Ingelheim International GmbH | 4479 |
1 |
| Bayer Cropscience AG | 1830 |
1 |
| Shell Oil Company | 2064 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 6143 |
1 |
| California Institute of Technology | 4038 |
1 |
| Mitsui Chemicals, Inc. | 3267 |
1 |
| Agency for Science, Technology and Research | 3765 |
1 |
| JSR Corporation | 2553 |
1 |
| Other owners | 20 |