Inventor · disambiguated record
Achim Hartmann
Also filed as: HARTMANN ACHIM
21 granted patents·280 citations·filing 1977–1996
96Inventor score
Top patents by PatentIndex Score
21 records- 0181US4784841AProcess for the production of coarse, scrubbing aggregates of titanium dioxide particles by oxidation of titanium tetrachloride in the vapor phase and use of said aggregates for the prevention of deposit formation in the same production processKRONOS TITAN GMBH·Filed 1987·Granted Nov 15, 1988·36 cites·32 claims
- 0276US6399033B1Process for increasing the yield in the manufacture of titanium dioxide by the chloride processKRONOS INC·Filed 1995·Granted Jun 4, 2002·32 cites·16 claims
- 0374US4060584AProcess for recovery of iron oxide and chlorine from dust produced in chlorination of titaniferous oresKRONOS TITAN GMBH·Filed 1977·Granted Nov 29, 1977·17 cites·7 claims
- 0464US4569387ADevice for the cooling of hot gaseous solids suspensionsKRONOS TITAN GMBH·Filed 1983·Granted Feb 11, 1986·20 cites·7 claims
- 0563US5073355AProcess for the removal of chlorine from off-gasesKRONOS U S A INC·Filed 1990·Granted Dec 17, 1991·13 cites·26 claims
- 0662US5196181AProcess for the production of titanium dioxideKRONOS USA INC·Filed 1990·Granted Mar 23, 1993·23 cites·9 claims
- 0759US5536487AProcess for the use of rutile promoter and control additives in the manufacture of titanium dioxide by the chloride processKRONOS INC·Filed 1995·Granted Jul 16, 1996·14 cites·13 claims
- 0857US4521384AProcess for the production of nearly aluminium chloride-free titanium tetrachloride from titaniferous raw materials containing aluminum compoundsKRONOS TITAN GMBH·Filed 1982·Granted Jun 4, 1985·8 cites·8 claims
- 0955US5407650AProcess for purifying a technical iron chloride solution by selective precipitationKRONOS INC·Filed 1993·Granted Apr 18, 1995·19 cites·14 claims
- 1054US5393510AHigh solids content titanium dioxide suspensionRHEOX INC·Filed 1993·Granted Feb 28, 1995·13 cites·4 claims
- 1152US5683669AMetal chloride generator and improved process for the production of metal chlorides used in the manufacture of titanium dioxide by the chloride processKRONOS INC·Filed 1996·Granted Nov 4, 1997·20 cites·6 claims
- 1249US5942201AProcess utilizing titanium dioxide as a catalyst for the hydrolysis of carbonyl sulfideKRONOS INC·Filed 1993·Granted Aug 24, 1999·11 cites·10 claims
- 1346US4533530AProcess for the separation of volatile chlorine compounds from the exhaust gases resulting from the chlorination of titanium-containing raw materialsKRONOS TITAN GMBH·Filed 1984·Granted Aug 6, 1985·10 cites·18 claims
- 1445US5861099AProcess for the filtration of suspensions containing sulfurRHEOX INC·Filed 1994·Granted Jan 19, 1999·7 cites·6 claims
- 1542US5248497AProduction of purified iron chloride by a vacuum process in the manufacture of titanium dioxideKRONOS INC·Filed 1992·Granted Sep 28, 1993·7 cites·7 claims
- 1637US5540907AProcess for preparing high solids content titanium dioxide suspension with a dechlorinating agentKRONOS INC·Filed 1995·Granted Jul 30, 1996·6 cites·7 claims
- 1737US4394270AApparatus for the chemical conditioning of sludgesKRONOS TITAN GMBH·Filed 1981·Granted Jul 19, 1983·8 cites·24 claims
- 1837US4229399AProcess for pelletizing and neutralizing solid mixtures of metal chloridesNL INDUSTRIES INC·Filed 1978·Granted Oct 21, 1980·4 cites·5 claims
- 1936US5409679AProcess for the production of titanium dioxideKRONOS INC·Filed 1990·Granted Apr 25, 1995·5 cites·18 claims
- 2030US4633935AMethod for the cooling of hot gaseous solids suspensions of titanium dioxideKRONOS TITAN GMBH·Filed 1985·Granted Jan 6, 1987·5 cites·8 claims
- 2123US4207201AProcess for the manufacture of an aqueous iron (III)-chloride-sulfate solutionKRONOSTITAN GMBH·Filed 1978·Granted Jun 10, 1980·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →