- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 67/04 - Polyanhydrides
Patent holdings for IPC class C08G 67/04
Total number of patents in this class: 32
10-year publication summary
|
1
|
2
|
1
|
1
|
3
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4
|
1
|
2
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0
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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
|
|---|---|---|
| Dexcel Pharma Technologies Ltd. | 63 |
4 |
| Rutgers, The State University of New Jersey | 1972 |
3 |
| Kureha Corporation | 1063 |
2 |
| Polygene Ltd. | 4 |
2 |
| Hitachi Chemical Company, Ltd. | 2241 |
1 |
| Robert Bosch GmbH | 44176 |
1 |
| Industrial Technology Research Institute | 5205 |
1 |
| Boston Scientific Scimed, Inc. | 11169 |
1 |
| The Regents of the University of Michigan | 4997 |
1 |
| The Bionic Ear Institute | 3 |
1 |
| Covestro Deutschland AG | 2833 |
1 |
| Iowa State University Research Foundation, Inc. | 829 |
1 |
| ISP Investments Inc. | 440 |
1 |
| Johns Manville | 920 |
1 |
| Kala Pharmaceuticals, Inc. | 31 |
1 |
| New Japan Chemical Co., Ltd. | 75 |
1 |
| Polyactiva Pty Ltd | 27 |
1 |
| Seeo, Inc. | 149 |
1 |
| Shanghai Sinyang Semiconductor Materials Co., Ltd. | 21 |
1 |
| Uniseal, Inc. | 35 |
1 |
| Other owners | 5 |