CC

Catherine T. Chang

EA E.I. Du Pont De Nemours And: 7 patents #1,065 of 8,010Top 15%
📍 Wilmington, DE: #686 of 3,182 inventorsTop 25%
🗺 Delaware: #1,358 of 7,163 inventorsTop 20%
Overall (All Time): #767,641 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5145760 Positive-working photosensitive electrostatic master with improved invironmental latitude Graciela Beatriz Blanchet-Fincher, Richard J. Kempf 1992-09-08
5120629 Positive-working photosensitive electrostatic master Richard Bauer 1992-06-09
5064740 Photohardenable electrostatic element with improved environmental latitude Graciela Beatriz Blanchet-Fincher, Curtis R. Fincher, Jr. 1991-11-12
5043237 Inhibitor-containing photohardenable electrostatic master compositions having improved resolution Graciela Beatriz Blanchet-Fincher 1991-08-27
5028503 Photohardenable electrostatic element with improved backtransfer characteristics 1991-07-02
5006434 Photohardenable electrostatic element with improved environmental latitude Graciela Beatriz Blanchet-Fincher, Curtis R. Fincher, Jr. 1991-04-09
4913998 Silver-based electrostatic printing master Allan Cairncross 1990-04-03