Inventor · disambiguated record
Hans-Dieter Frommeld
Also filed as: FROMMELD HANS-DIETER
16 granted patents·205 citations·filing 1969–1997
93Inventor score
Top patents by PatentIndex Score
16 records- 0188US4780393APhotopolymerizable composition and photopolymerizable recording material containing sameHOECHST AG·Filed 1987·Granted Oct 25, 1988·71 cites·16 claims
- 0282US5200299AQuinoline and acridine compounds effective as photoinitiators and containing polymerizable (meth)acryloyl substituentsHOECHST AG·Filed 1989·Granted Apr 6, 1993·18 cites·13 claims
- 0368US4659645APhotosensitive mixture and photosensitive recording material with diazonium salt polycondensation product and free radical radiation polymerizable compositionHOECHST AG·Filed 1985·Granted Apr 21, 1987·20 cites·5 claims
- 0466US5085669AProcess for stabilizing a leuco-dye solution by means of a piperidine derivativeHOECHST AG·Filed 1989·Granted Feb 4, 1992·7 cites·14 claims
- 0564US5221595APhotopolymerizable mixture and recording material prepared therefromHOECHST AG·Filed 1991·Granted Jun 22, 1993·25 cites·17 claims
- 0660US4171222ATwo-component diazotype materialHOECHST AG·Filed 1977·Granted Oct 16, 1979·6 cites·5 claims
- 0755US4940647APhotopolymerizable compositions a leuco dye and a leuco dye stabilizerHOECHST AG·Filed 1988·Granted Jul 10, 1990·15 cites·27 claims
- 0852US5217845APhotopolymerizable mixture and photopolymerizable copying material containing sameHOECHST AG·Filed 1991·Granted Jun 8, 1993·11 cites·15 claims
- 0950US4749639APhotosensitive composition and recording material with photosensitive polymeric diazonium salt and thermal cross-linkable copolymer binderHOECHST AG·Filed 1986·Granted Jun 7, 1988·9 cites·12 claims
- 1042US4457997ATwo-component diazotype materialHOECHST AG·Filed 1982·Granted Jul 3, 1984·3 cites·7 claims
- 1141US4737445APhotopolymerizable composition and photopolymerizable recording material containing said compositionHOECHST AG·Filed 1986·Granted Apr 12, 1988·7 cites·11 claims
- 1235US6114091APhotopolymerizable composition containing an N-heterocyclic photoinitiatorMORTON INT INC·Filed 1997·Granted Sep 5, 2000·3 cites·15 claims
- 1333US6127091APhotopolymerizable composition and photopolymerizable recording material prepared using this compositionMORTON INT INC·Filed 1997·Granted Oct 3, 2000·2 cites·2 claims
- 1433US5057398APhotopolymerizable composition and photopolymerizable recording material containing sameHOECHST AG·Filed 1990·Granted Oct 15, 1991·5 cites·19 claims
- 1533US4273850ATwo-component diazotype materialHOECHST AG·Filed 1980·Granted Jun 16, 1981·1 cites·8 claims
- 1631US3944423ALight-sensitive diazotype material comprising a fluoroalkoxy-substituted diazonium compoundKEUFFEL & ESSER CO·Filed 1969·Granted Mar 16, 1976·2 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Hans-Dieter Frommeld 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 →