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Janis C. Stevenson

Rohm And Haas: 4 patents #540 of 2,359Top 25%
📍 Langhorne, PA: #85 of 299 inventorsTop 30%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,293,044 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5442012 Process for making encapsulated micro-agglomerated core/shell additives for PVC blends James S. Kempner, Hsing-Yeh Parker, Morris Wills, Judith L. Allison 1995-08-15
5276092 Encapsulated micro-agglomerated core/shell additives in poly(vinyl chloride) blends James S. Kempner, Hsing-Yeh Parker, Morris Wills, Judith L. Allison 1994-01-04
5221713 Co-microagglomeration of emulsion polymers (encapsulated core/shell additives for PVC) James S. Kempner, Hsing-Yeh Parker, Morris Wills, Judith L. Allison 1993-06-22
5194498 Poly(vinyl chloride) blends and additives therefor Hsing-Yeh Parker 1993-03-16