Inventor · disambiguated record
Richard J. Kempf
Also filed as: KEMPF RICHARD J · KEMPF RICHARD JOSEPH
5 granted patents·54 citations·filing 1986–1996
80Inventor score
Files withDU PONT5
Top patents by PatentIndex Score
5 records- 0167US4859551AProcess for preparing positive and negative images using photohardenable electrostatic masterDU PONT·Filed 1987·Granted Aug 22, 1989·16 cites·50 claims
- 0262US4945020APhotosensitive leuco dye containing electrostatic master with printout imageDU PONT·Filed 1989·Granted Jul 31, 1990·13 cites·42 claims
- 0349US5741621AProcess for using photoimageable films prepared for aqueous photoimageable liquid emulsionsDU PONT·Filed 1996·Granted Apr 21, 1998·13 cites·18 claims
- 0442US5145760APositive-working photosensitive electrostatic master with improved invironmental latitudeDU PONT·Filed 1990·Granted Sep 8, 1992·6 cites·35 claims
- 0534US4716093ASolvent developable photoresist composition and process of useDU PONT·Filed 1986·Granted Dec 29, 1987·6 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Richard J. Kempf files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →