Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11111460 | Method for preparing stable composition with perfume | Hai Zhou ZHANG, Da Wei JIN, Lin He | 2021-09-07 |
| 11034916 | Method of use of composition comprising a quaternary ammonium compound, a cationic polysaccharide and a nonionic polysaccharide | Hai Zhou ZHANG, Da Wei JIN | 2021-06-15 |