Inventor · disambiguated record
Volker Wilhelm
Also filed as: WILHELM VOLKER
8 granted patents·1 pending application·79 citations·filing 1982–2015
86Inventor score
Top patents by PatentIndex Score
9 records- 0189US8647429B2Effect pigmentsMELSON SABINE·Filed 2011·Granted Feb 11, 2014·8 cites·21 claims
- 0278US4450012AFlocculation-resistant, mixed phase pigments having a rutile structure, process for their preparation, and their useBAYER AG·Filed 1982·Granted May 22, 1984·22 cites·9 claims
- 0374US8613800B2Pigment preparationsWILHELM VOLKER·Filed 2009·Granted Dec 24, 2013·5 cites·13 claims
- 0470US5167708AProcess for the preparation of pigments containing Cr2 O3BAYER AG·Filed 1992·Granted Dec 1, 1992·23 cites·4 claims
- 0556US4985078AThermostable zinc ferrite color pigments containing 0.05-0.5 wt % lithium, a process for their preparation and their useBAYER AG·Filed 1989·Granted Jan 15, 1991·9 cites·4 claims
- 0648US4919726AProcess for the production of rutile mixed-phase pigmentsBAYER AG·Filed 1989·Granted Apr 24, 1990·6 cites·12 claims
- 0748US4919723ARutile mixed phase pigments with improved coloristic propertiesBAYER AG·Filed 1988·Granted Apr 24, 1990·6 cites·9 claims
- 0844US10689505B2MicrospheresMERCK PATENT GMBH·Filed 2015·Granted Jun 23, 2020·0 cites·21 claims
- 0944US2016145421A1MicrospheresMERCK PATENT GMBH·Filed 2014·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Volker Wilhelm 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 →