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Hans Kiefer — 24 Patents

Basf Se: 18 patents #788 of 13,826Top 6%
KGKernforschungszentrum Karlsruhe Gmbh: 4 patents #26 of 363Top 8%
Robert Bosch Gmbh: 1 patents #10,465 of 19,740Top 55%
Monsheim, DE: #11 of 225 inventorsTop 5%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Hans Kiefer has been granted 24 US patents while listed as an inventor at Basf Se. The first was granted in 1980 and the most recent in June 2006. Hans Kiefer ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Hans Kiefer in Monsheim, DE.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7064581 Bus interface and method for coupling a bus device to a bus Mathias Fiedler, Jochen Huebl 2006-06-20 $2,093,000
6939951 Refolding of membrane proteins Klaus A. Maier 2005-09-06
5486363 Preparation of choline chloride-containing powders, these powders, and their use Roland Betz, Wolfgang Bewert 1996-01-23
5468883 Preparation of vitamin E Paul Grafen, Hagen Jaedicke 1995-11-21
5300303 Spray granules or microgranules of pure riboflavin which contain no binder are non-dusting and free-flowing, and the preparation thereof Johannes Grimmer, Christoph Martin 1994-04-05
5294740 Preparation of formic acid by thermal cleavage of quaternary ammonium formates Leopold Hupfer, Ferdinand Lippert 1994-03-15
5210023 Method of purifying ferment-produced riboflavin Johannes Grimmer, Christoph Martin 1993-05-11
5206433 Preparation of formic acid Heinz Hohenschutz, Johannes E. Schmidt 1993-04-27
5189216 Isolation of a carboxylic acid from an aqueous solution thereof Werner Reutemann 1993-02-23
5128151 Stabilized menadione bisulfite formulations and their preparation Wolfgang Buehler, Joachim Schneider, Hagen Jaedicke 1992-07-07
5095115 Preparation of riboflavin 5'-phosphate (FMN) and its sodium salt in a lactone Johannes Grimmer 1992-03-10
5017700 Preparation of riboflavin-5'-phosphate (5'-FMN) and its sodium salt, and of riboflavin-4',5'-cyclophosphoric acid ester chloride as an intermediate Johannes Grimmer 1991-05-21
4977190 Preparation of riboflavin, produced by a microbial method, in the form of spray-dried granules or microgranules Joachim Meyer, Wolfgang Buehler, Johannes Grimmer, Gunter Eipper, Christoph Martin 1990-12-11
4933564 Method of determining radiation doses by evaluating nuclear tracks in irradiated and subsequently etched foils Bernd Reinhardt, Gotthard Schleicher, Manfred Urban 1990-06-12
4921711 Animal feed or drinking water containing propanediol formates Hansjoerg Bipp, Fritz Fink, Hagen Jaedicke, Dieter M. Poralla 1990-05-01
4735969 Menadione choline bisulfite adduct, its preparation and antihemorrhagic compositions Joachim Schneider 1988-04-05
4704537 Passive dosimeter Manfred Urban 1987-11-03
4701546 Preparation of 2-(N-formylamino)-propionitrile Wolfgang Bewert 1987-10-20
4565894 Preparation of ionones Otto Hertel, Lothar Arnold 1986-01-21
4482492 Preparation of vitamins K.sub.3 and K.sub.4 and derivatives 1984-11-13
4454587 Method and circuit arrangement for discriminating between pulses generated by alpha and/or beta radiators Hans-Gerd Rober, Bernd Reinhardt 1984-06-12
4400621 Detector device Hans-Gerd Rober 1983-08-23
4218568 Preparation of formic acid Heinz Hohenschutz, Johannes E. Schmidt 1980-08-19
4217460 Isolation of formic acid from its aqueous solutions Heinz Hohenschutz, Johannes E. Schmidt 1980-08-12