Inventor · disambiguated record
Gerardus J. Crommentuyn
Also filed as: CROMMENTUYN GERARDUS J · CROMMENTUYN GERARDUS JOHANNES
6 granted patents·1 pending application·61 citations·filing 1974–2003
82Inventor score
Top patents by PatentIndex Score
7 records- 0177US4443527AColored magnetically attractable toner powder, its preparation, and developing images with such powderOCE NEDERLAND BV·Filed 1982·Granted Apr 17, 1984·26 cites·25 claims
- 0265US3935009AElectrophotographic reproduction element of an aniline compound electron acceptorOCE VAN DER GRINTEN NV·Filed 1974·Granted Jan 27, 1976·11 cites·16 claims
- 0352US4286037AElectrostatic image one-component electrically conductive thermoplastic resin containing powdered developer prepared by coagulation in emulsionOCE VAN DER GRINTEN NV·Filed 1978·Granted Aug 25, 1981·11 cites·19 claims
- 0447US4146494AOne-component developer powder and process for its preparationOCE VAN DER GRINTEN NV·Filed 1977·Granted Mar 27, 1979·9 cites·11 claims
- 0543US2003203104A1Process for forming a coating layer on a base support, optionally in the form of a coating patternFiled 2003·Application pending·0 cites
- 0630US5296327AToner powder for the development of latent electrostatic or magnetic images and a process for forming fixed images on an image receiving materialOCE NEDERLAND BV·Filed 1992·Granted Mar 22, 1994·4 cites·12 claims
- 0721US3991128AProcess for the production of vinylpyrenesOCE VAN DER GRINTEN NV·Filed 1975·Granted Nov 9, 1976·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Gerardus J. Crommentuyn 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 →