DH

Donald P. Hsu

Colgate-Palmolive: 4 patents #626 of 2,015Top 35%
Overall (All Time): #1,287,663 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5690913 Multilayer bicarbonate/peroxide dentifrice Rajnish Kohli, Richard J. Crawford, Nagarj S. Dixit, Michael Collins, David Viscio 1997-11-25
5614174 Stabilized dentifrice compositions containing reactive ingredients David Viscio 1997-03-25
5599525 Stabilized dentifrice compositions containing reactive ingredients Rajnish Kohli, Richard J. Crawford, Nagaraj S. Dixit, Michael Collins, David Viscio 1997-02-04
5599527 Dentifrice compositions having improved anticalculus properties Rajnish Kohli, Michael Prencipe 1997-02-04