Inventor · disambiguated record

Qingxin Han

Also filed as: HAN QINGXIN

1 granted patent·0 citations·filing 2019–2019

1Inventor score

Technology areasC07K

Files withWANG XUECHUAN1

Top patents by PatentIndex Score

1 record

0137US10919952B2Method for preparing collagen aggregate and collagen from chromium-containing tanned leather wastes by combined acid-enzyme controlled degradation technologyWANG XUECHUAN·Filed 2019·Granted Feb 16, 2021·0 cites·4 claims

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