Inventor

ZHANG QIYUAN

CN4 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG QIYUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HC SYNTHETIC PHARMACEUTICAL CO LTD

3 patents

US12110282B2Oct 8, 2024

Thiobenzopyrans and their use in preparation of drugs for treatment of rheumatoid arthritis

HC SYNTHETIC PHARMACEUTICAL CO LTD0 citations53

US12173020B2Dec 24, 2024

New-type oxazolidinone compounds and preparation method therefor

HC SYNTHETIC PHARMACEUTICAL CO LTD0 citations52

US11993561B2May 28, 2024

Expectorant compound, preparation method thereof and use thereof

HC SYNTHETIC PHARMACEUTICAL CO LTD0 citations52

Shaanxi synthetic pharmaceutical co ltd

1 patent

US9650400B2May 16, 2017

Voriconazole sodium phosphate hydrates and polymorphs thereof

Shaanxi synthetic pharmaceutical co ltd0 citations36