PD

Paul F. D'Angelo

RH Rhodia: 3 patents #40 of 236Top 20%
UC Union Carbide: 1 patents #697 of 1,402Top 50%
📍 Ossining, NY: #242 of 613 inventorsTop 40%
🗺 New York: #31,572 of 115,490 inventorsTop 30%
Overall (All Time): #1,279,529 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6057463 N-acylaminoalkane sulfonate and amphoteric surfactant blends and methods for preparing the same David J. Tracy 2000-05-02
5925603 Stable liquid delivery system for acyl isethionates 1999-07-20
5837668 Acyloxyalkane sulfonate and amphoteric surfactant blend compositions and methods for preparing same David J. Tracy 1998-11-17
4273584 Detergent resistant compositions Richard B. Metzler 1981-06-16