- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 503/00 - Heterocyclic compounds containing 4-oxa-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula: , e.g. oxapenicillins, clavulanic acid derivativesSuch ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
Patent holdings for IPC class C07D 503/00
Total number of patents in this class: 2
10-year publication summary
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Principal owners for this class
| Owner |
All patents
|
This class
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|---|---|---|
| Amrita Vishwa Vidyapeetham | 77 |
1 |
| The University of Hong Kong | 832 |
1 |
| Other owners | 0 |