HC

Helena Chang

CU Cp Kelco U.S.: 1 patents #41 of 79Top 55%
Merck: 1 patents #5,419 of 9,382Top 60%
📍 Vacaville, CA: #97 of 276 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,203,023 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6573221 Non-pyruvylated xanthan in oil field applications utilizing high density calcium-based brines Todd A. Talashek, Mac Seheult, Trish Carter, Reinaldo C. Navarrete 2003-06-03
5190927 High-glyceryl, low-acetyl gellan gum for non-brittle gels Joseph M. Kobzeff 1993-03-02