Achim Hartmann — 20 Patents at Kronos

Achim Hartmann has been granted 20 US patents while listed as an inventor at Kronos. The first was granted in 1980 and the most recent in June 2002. Achim Hartmann ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Achim Hartmann in Pulheim, DE.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6399033	Process for increasing the yield in the manufacture of titanium dioxide by the chloride process	—	2002-06-04	$11,128,000
5942201	Process utilizing titanium dioxide as a catalyst for the hydrolysis of carbonyl sulfide	—	1999-08-24	$8,368,000
5861099	Process for the filtration of suspensions containing sulfur	—	1999-01-19
5683669	Metal chloride generator and improved process for the production of metal chlorides used in the manufacture of titanium dioxide by the chloride process	Herman Trub	1997-11-04	$3,789,000
5540907	Process for preparing high solids content titanium dioxide suspension with a dechlorinating agent	Siegfried Blumel, Hans Thumm, Hans-Hermann Luginsland, Franz Rosendahl	1996-07-30	$2,552,000
5536487	Process for the use of rutile promoter and control additives in the manufacture of titanium dioxide by the chloride process	—	1996-07-16	$2,488,000
5409679	Process for the production of titanium dioxide	—	1995-04-25	$1,451,000
5407650	Process for purifying a technical iron chloride solution by selective precipitation	Ulrich Rothe, Dieter Schinkitz	1995-04-18	$765,000
5393510	High solids content titanium dioxide suspension	Siegfried Blumel, Hans Thumm, Hans-Hermann Luginsland, Franz Rosendahl	1995-02-28
5248497	Production of purified iron chloride by a vacuum process in the manufacture of titanium dioxide	Erwin Schmeir	1993-09-28	$1,199,000
5196181	Process for the production of titanium dioxide	—	1993-03-23	$1,167,000
5073355	Process for the removal of chlorine from off-gases	—	1991-12-17
4784841	Process 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 process	Hans Thumm	1988-11-15
4633935	Method for the cooling of hot gaseous solids suspensions of titanium dioxide	Dietrich W. Schonherr	1987-01-06
4569387	Device for the cooling of hot gaseous solids suspensions	Dietrich W. Schonherr	1986-02-11
4533530	Process for the separation of volatile chlorine compounds from the exhaust gases resulting from the chlorination of titanium-containing raw materials	—	1985-08-06
4521384	Process for the production of nearly aluminium chloride-free titanium tetrachloride from titaniferous raw materials containing aluminum compounds	Hans Thumm	1985-06-04
4394270	Apparatus for the chemical conditioning of sludges	Dieter Schinkitz	1983-07-19
4229399	Process for pelletizing and neutralizing solid mixtures of metal chlorides	Donald G. Cole, Achim Kulling, Hermann B. Trub	1980-10-21	$14,677,000
4207201	Process for the manufacture of an aqueous iron (III)-chloride-sulfate solution	Achim Kulling, Dieter Schinkitz, Edgar Klein	1980-06-10

Achim Hartmann — 20 Patents

Issued Patents All Time

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