YZ

Yueqian Zhen

The Procter & Gamble: 2 patents #117 of 687Top 20%
📍 Gurnee, IL: #6 of 49 inventorsTop 15%
🗺 Illinois: #421 of 4,656 inventorsTop 10%
Overall (1997): #18,506 of 185,788Top 10%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5622925 Stable, aqueous laundry detergent composition having improved softening properties Francesco de Buzzaccarini, Timothy J. Farwick 1997-04-22
5595681 Liquid laundry detergents containing polyamino acid and polyalkyleneglycol Rajan K. Panandiker 1997-01-21