Inventor · disambiguated record
Franz Hund
Also filed as: HUND FRANZ
28 granted patents·559 citations·filing 1973–1983
97Inventor score
Files withBAYER AG28
Top patents by PatentIndex Score
28 records- 0197US3946103AProduction of precipitated red iron (III) oxide pigment relatively free of α-FEOOHBAYER AG·Filed 1973·Granted Mar 23, 1976·66 cites·12 claims
- 0293US3931025AMagnetic iron oxides with improved orientability and a process for their productionBAYER AG·Filed 1974·Granted Jan 6, 1976·45 cites·7 claims
- 0392US4082905AProduction of iron oxide pigments with improved resistance to oxidationBAYER AG·Filed 1977·Granted Apr 4, 1978·59 cites·9 claims
- 0488US4404254AProduction of lamellar iron oxide pigmentsBAYER AG·Filed 1981·Granted Sep 13, 1983·34 cites·16 claims
- 0587US4156613AAnti-corrosion pigmentsBAYER AG·Filed 1977·Granted May 29, 1979·29 cites·23 claims
- 0685US4090888AProduction of black iron oxide pigmentsBAYER AG·Filed 1976·Granted May 23, 1978·26 cites·10 claims
- 0785US3947502AProduction of finely divided acicular magnetic iron oxidesBAYER AG·Filed 1973·Granted Mar 30, 1976·25 cites·6 claims
- 0881US4112063AContinuous production of iron oxide hydroxideBAYER AG·Filed 1976·Granted Sep 5, 1978·21 cites·6 claims
- 0980US4290799AFerromagnetic metal pigment essentially consisting of iron and a process for its productionBAYER AG·Filed 1980·Granted Sep 22, 1981·21 cites·13 claims
- 1080US4285726AActive anti-corrosion pigments based on calcium oxide, aluminium oxide and iron oxideBAYER AG·Filed 1980·Granted Aug 25, 1981·24 cites·14 claims
- 1176US4153465ACaZn2 (PO4)2 .2H2 O anticorrosion pigmentBAYER AG·Filed 1977·Granted May 8, 1979·16 cites·12 claims
- 1273US4234348AProcess for the production of iron oxide red pigmentsBAYER AG·Filed 1979·Granted Nov 18, 1980·15 cites·5 claims
- 1373US3974079AProduction of gamma iron oxideBAYER AG·Filed 1973·Granted Aug 10, 1976·18 cites·9 claims
- 1471US4589906AInorganic depot fertilizersBAYER AG·Filed 1983·Granted May 20, 1986·16 cites·8 claims
- 1569US4323596ACoating iron oxide particles for magnetic recordingBAYER AG·Filed 1979·Granted Apr 6, 1982·11 cites·5 claims
- 1669US4211565AIron oxide-based anti-corrosion pigmentsBAYER AG·Filed 1978·Granted Jul 8, 1980·12 cites·8 claims
- 1768US4400432ACoating iron oxide particles for magnetic recordingBAYER AG·Filed 1981·Granted Aug 23, 1983·20 cites·3 claims
- 1866US4140539AHydrothermal process for producing dense iron oxide pigmentsBAYER AG·Filed 1977·Granted Feb 20, 1979·10 cites·13 claims
- 1966US4014710AMagnetic pigments with improved orientability and a process for their productionBAYER AG·Filed 1974·Granted Mar 29, 1977·10 cites·10 claims
- 2065US4036662AMetal additions to pigments of pseudobrookite-titanium dioxide structureBAYER AG·Filed 1975·Granted Jul 19, 1977·23 cites·16 claims
- 2164US4264462AStabilization of magnetite pigments with heterocyclic nitrogen compoundsBAYER AG·Filed 1978·Granted Apr 28, 1981·9 cites·20 claims
- 2256US4443264AHalogen-free zinc ferrite yellow pigments containing alumina and phosphorus oxide and productionBAYER AG·Filed 1982·Granted Apr 17, 1984·10 cites·8 claims
- 2352US4378252AMagnetic separation to improve purity of iron oxide pigmentsBAYER AG·Filed 1981·Granted Mar 29, 1983·7 cites·3 claims
- 2452US4369265AReadily dispersible silicone-coated finely divided solidsBAYER AG·Filed 1980·Granted Jan 18, 1983·7 cites·8 claims
- 2552US4358431AProduction of magnetic iron oxidesBAYER AG·Filed 1981·Granted Nov 9, 1982·7 cites·7 claims
- 2651US4140538AIron oxide-based anti-corrosion pigmentsBAYER AG·Filed 1976·Granted Feb 20, 1979·5 cites·13 claims
- 2744US4492600ACorrosion-inhibiting paints and lacquersBAYER AG·Filed 1982·Granted Jan 8, 1985·9 cites·1 claims
- 2842US4084984ATemperature-stable inorganic yellow pigmentsBAYER AG·Filed 1974·Granted Apr 18, 1978·4 cites·6 claims
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