Inventor · disambiguated record
Hans Kiefer
Also filed as: KIEFER HANS · KIEFER HANS-FRIEDRICH · SCHMIDT JOHANNES E
30 granted patents·4 pending applications·297 citations·filing 1974–2006
97Inventor score
Top patents by PatentIndex Score
34 records- 0191US4218568APreparation of formic acidBASF AG·Filed 1978·Granted Aug 19, 1980·27 cites·2 claims
- 0289US5294740APreparation of formic acid by thermal cleavage of quaternary ammonium formatesBASF AG·Filed 1993·Granted Mar 15, 1994·32 cites·5 claims
- 0389US4217460AIsolation of formic acid from its aqueous solutionsBASF AG·Filed 1978·Granted Aug 12, 1980·22 cites·6 claims
- 0488US5206433APreparation of formic acidBASF AG·Filed 1985·Granted Apr 27, 1993·26 cites·10 claims
- 0582US3983010ARecovery of the formic acid/water azeotrope by distillationBASF AG·Filed 1975·Granted Sep 28, 1976·16 cites·3 claims
- 0677US3969510AMethod of controlling fungiBASF AG·Filed 1975·Granted Jul 13, 1976·12 cites·9 claims
- 0774US5468883APreparation of vitamin EBASF AG·Filed 1993·Granted Nov 21, 1995·14 cites·4 claims
- 0873US6939951B1Refolding of membrane proteinsPHASYS GMBH M·Filed 2000·Granted Sep 6, 2005·4 cites·19 claims
- 0965US4084891ASound motion-picture cameraBOSCH GMBH ROBERT·Filed 1976·Granted Apr 18, 1978·6 cites·9 claims
- 1063US4704537APassive dosimeterKERNFORSCHUNGSZ KARLSRUHE·Filed 1985·Granted Nov 3, 1987·14 cites·3 claims
- 1162US5095115APreparation of riboflavin 5'-phosphate (fmn) and its sodium salt in a lactoneBASF AG·Filed 1990·Granted Mar 10, 1992·16 cites·8 claims
- 1262US5017700APreparation of riboflavin-5'-phosphate (5'-FMN) and its sodium salt, and of riboflavin-4',5'-cyclophosphoric acid ester chloride as an intermediateBASF AG·Filed 1989·Granted May 21, 1991·9 cites·1 claims
- 1362US4565894APreparation of iononesBASF AG·Filed 1984·Granted Jan 21, 1986·7 cites·10 claims
- 1459US5210023AMethod of purifying ferment-produced riboflavinBASF AG·Filed 1991·Granted May 11, 1993·6 cites·6 claims
- 1556US4482492APreparation of vitamins K3 and K4 and derivativesBASF AG·Filed 1982·Granted Nov 13, 1984·4 cites·6 claims
- 1656US4454587AMethod and circuit arrangement for discriminating between pulses generated by alpha and/or beta radiatorsKERNFORSCHUNGSZ KARLSRUHE·Filed 1981·Granted Jun 12, 1984·12 cites·10 claims
- 1755US4400621ADetector deviceKERNFORSCHUNGSZ KARLSRUHE·Filed 1981·Granted Aug 23, 1983·11 cites·10 claims
- 1853US4038311AProduction of n-(1-alkenyl)-carbamyl chloridesBASF AG·Filed 1974·Granted Jul 26, 1977·3 cites·7 claims
- 1952US5128151AStabilized menadione bisulfite formulations and their preparationBASF AG·Filed 1988·Granted Jul 7, 1992·6 cites·16 claims
- 2051US2005130260A1Refolded membrane protein in monodisperse formFiled 2003·Application pending·0 cites
- 2150US2006058509A1Refolding of membrane proteinsKIEFER HANS·Filed 2005·Application pending·0 cites
- 2246US5486363APreparation of choline chloride-containing powders, these powders, and their useBASF AG·Filed 1994·Granted Jan 23, 1996·14 cites·5 claims
- 2344US7064581B2Bus interface and method for coupling a bus device to a busBOSCH GMBH ROBERT·Filed 2001·Granted Jun 20, 2006·1 cites·9 claims
- 2444US5300303ASpray granules or microgranules of pure riboflavin which contain no binder are non-dusting and free-flowing, and the preparation thereofBASF AG·Filed 1992·Granted Apr 5, 1994·10 cites·10 claims
- 2544US2007031926A1Refolded membrane protein in monodisperse formLINDEN LARS·Filed 2006·Application pending·0 cites
- 2643US5189216AIsolation of a carboxylic acid from an aqueous solution thereofBASF AG·Filed 1991·Granted Feb 23, 1993·3 cites·1 claims
- 2743US4701546APreparation of 2-(N-formylamino)-propionitrileBASF AG·Filed 1986·Granted Oct 20, 1987·5 cites·15 claims
- 2841US2005255556A1Refolding of ion channel proteinsLOEBEL DIETRICH·Filed 2005·Application pending·0 cites
- 2937US4977190APreparation of riboflavin, produced by a microbial method, in the form of spray-dried granules or microgranulesBASF AG·Filed 1989·Granted Dec 11, 1990·8 cites·5 claims
- 3037US4933564AMethod of determining radiation doses by evaluating nuclear tracks in irradiated and subsequently etched foilsKERNFORSCHUNGSZ KARLSRUHE·Filed 1989·Granted Jun 12, 1990·4 cites·3 claims
- 3137US4094594AMovie-camera with automatic fade-out shutoffBOSCH GMBH ROBERT·Filed 1976·Granted Jun 13, 1978·1 cites·10 claims
- 3234US4735969AMenadione choline bisulfite adduct, its preparation and antihemorrhagic compositionsBASF AG·Filed 1985·Granted Apr 5, 1988·3 cites·15 claims
- 3329US4134915AContinuous manufacture of formamideBASF AG·Filed 1977·Granted Jan 16, 1979·0 cites·5 claims
- 3425US4921711AAnimal feed or drinking water containing propanediol formatesBASF AG·Filed 1986·Granted May 1, 1990·1 cites·7 claims
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