Inventor · disambiguated record
Klaus Lehmann
Also filed as: LEEHMANN KLAUS · LEHMANN KLAUS · LEHMANN KLAUS DIETER · LEHMANN KLAUS DR
41 granted patents·3 pending applications·1,868 citations·filing 1973–2002
98Inventor score
Top patents by PatentIndex Score
44 records- 0196US5705189AThermoplastic material for drug coatings which dissolve in intestinal juicesROEHM GMBH·Filed 1995·Granted Jan 6, 1998·206 cites·10 claims
- 0296US4070348AWater-swellable, bead copolymerROEHM GMBH·Filed 1975·Granted Jan 24, 1978·145 cites·12 claims
- 0395US6420473B1Acrylic enteric coating compositionsBPSI HOLDINGS INC·Filed 2000·Granted Jul 16, 2002·112 cites·10 claims
- 0493US4520172AMethod for coating medicamentsROEHM GMBH·Filed 1983·Granted May 28, 1985·116 cites·9 claims
- 0591US5730999ADermal therapeutic system made of a meltable poly (meth) acrylateROEHM GMBH·Filed 1996·Granted Mar 24, 1998·126 cites·10 claims
- 0690US5142062AMethod of increasing the molecular weight in the manufacture of polysuccinimideROEHM GMBH·Filed 1991·Granted Aug 25, 1992·48 cites·14 claims
- 0789US4644031ACoating for pharmaceutical dosage formsROEHM GMBH·Filed 1985·Granted Feb 17, 1987·48 cites·12 claims
- 0887US5422121AOral dosage unit formROEHM GMBH·Filed 1993·Granted Jun 6, 1995·147 cites·10 claims
- 0985US4959123AProcess for deinking printed waste paperGRUENAU GMBH CHEM FAB·Filed 1988·Granted Sep 25, 1990·36 cites·12 claims
- 1085US4705695AMethod for coating pharmaceutical formulationsROEHM GMBH·Filed 1985·Granted Nov 10, 1987·86 cites·7 claims
- 1182US4607616ARoof cladding or similar building element allowing heat exchange with the environment and usable particularly as a solar energy collectorLEHMANN KLAUS·Filed 1983·Granted Aug 26, 1986·41 cites·9 claims
- 1282US4433076ACoating agent for medicaments and methods for making and using the sameROEHM GMBH·Filed 1981·Granted Feb 21, 1984·53 cites·7 claims
- 1381US5292522AAqueous film coating agent for solid medicamentsROEHM GMBH·Filed 1992·Granted Mar 8, 1994·64 cites·9 claims
- 1481US4737357AAqueous coating dispersionsROEHM GMBH·Filed 1987·Granted Apr 12, 1988·75 cites·3 claims
- 1580US4395643ABroadband circuit with rapidly variable resistorBOSCH GMBH ROBERT·Filed 1980·Granted Jul 26, 1983·24 cites·8 claims
- 1679US4971656AFlotation process for deinking printed waste paperGRUENAU GMBH CHEM FAB·Filed 1989·Granted Nov 20, 1990·26 cites·20 claims
- 1777USRE35200ECoating for pharmaceutical dosage formsROEHM GMBH·Filed 1993·Granted Apr 2, 1996·45 cites·12 claims
- 1875US5644011ACoating and binder for pharmaceutical agentsROEHM GMBH CHEMICAL FACTORY·Filed 1995·Granted Jul 1, 1997·49 cites·20 claims
- 1971US6306428B1Time-release laminar pharmaceutical compositionROEHM GMBH·Filed 1998·Granted Oct 23, 2001·36 cites·12 claims
- 2071US4039413AMethod of bonding a polypeptide to a macromolecular polymeric carrier by irradiation with lightROEHM GMBH·Filed 1973·Granted Aug 2, 1977·22 cites·9 claims
- 2170US4452862APharmaceutical coating materials soluble or swellable in gastric juice and pharmaceutical dosage forms coated therewithROEHM GMBH·Filed 1982·Granted Jun 5, 1984·22 cites·7 claims
- 2268US5177451AUnity gain amplifier with high slew rate and high bandwidthBURR BROWN CORP·Filed 1991·Granted Jan 5, 1993·21 cites·16 claims
- 2367US4816558AMethod for making redispersible synthetic resin powdersROEHM GMBH·Filed 1987·Granted Mar 28, 1989·22 cites·8 claims
- 2466US5342646AMethod for making carrier systems for biologically active materialsROEHM GMBH·Filed 1992·Granted Aug 30, 1994·29 cites·21 claims
- 2565US4064899AControl and signal arrangement for respiratorsMATTER GMBH KG KURT·Filed 1975·Granted Dec 27, 1977·24 cites·53 claims
- 2663US5362363AAqueous dispersions containing alkaline earth soaps and/or alkaline earth resin soaps for deinking printed wastepaperGRUENAU GMBH CHEM FAB·Filed 1990·Granted Nov 8, 1994·24 cites·2 claims
- 2762US5175285APolymers derived from polysuccinimide, used as surface coatings for medicinals and foodsROEHM GMBH·Filed 1990·Granted Dec 29, 1992·32 cites·6 claims
- 2861US6442211B1System for digital information transmission with associated methods and devicesIAD GMBH·Filed 1999·Granted Aug 27, 2002·53 cites·30 claims
- 2959US5725730AAqueous dispersions containing carboxylic acids and/or resinic acids for deinking printed wastepaperGRUENAU ILLERTISSEN·Filed 1994·Granted Mar 10, 1998·22 cites·5 claims
- 3057US5003269AUnity gain amplifier with high slew rate and high bandwidthBURR BROWN CORP·Filed 1989·Granted Mar 26, 1991·11 cites·13 claims
- 3149US4567889AProtective breathing aid device for diving or other operation under pressureINTERSPIRO GMBH·Filed 1983·Granted Feb 4, 1986·48 cites·12 claims
- 3249US2001022972A1Acrylic enteric coating compositionsFiled 2001·Application pending·0 cites
- 3349US2004247687A1Method for production of active ingredient-containing pelletsROEHM GMBH·Filed 2002·Application pending·0 cites
- 3447US2003133950A1Selective activation of Th1 or Th2 lymphocyte regulated immune responseROEHM GMBH·Filed 2002·Application pending·0 cites
- 3543US4118492ADiuretic pharmaceutical compositions and method of use containing the sulfuric acid half-ester of 2,4,7-triamino-6p-hydroxyphenyl pteridineROEHM GMBH·Filed 1977·Granted Oct 3, 1978·3 cites·3 claims
- 3642US6069975AMethod and device for processing a signalSIEMENS AG·Filed 1998·Granted May 30, 2000·19 cites·26 claims
- 3740US4488052AMethod and system to reduce low-frequency noise in semiconductor sensorsBOSCH GMBH ROBERT·Filed 1981·Granted Dec 11, 1984·6 cites·16 claims
- 3840US4363035AMethod and apparatus for signal pick-up from semiconductor image or line sensorsBOSCH GMBH ROBERT·Filed 1981·Granted Dec 7, 1982·5 cites·7 claims
- 3939US5091008AElastically restoring polymer-modified bitumen (pmb)ROEHM GMBH·Filed 1990·Granted Feb 25, 1992·5 cites·13 claims
- 4037US4654605ASystem for shift register clocking of analog storage cellsBOSCH GMBH ROBERT·Filed 1985·Granted Mar 31, 1987·5 cites·10 claims
- 4136US4727061APharmaceutical preparations having diuretic activityROEHM GMBH·Filed 1985·Granted Feb 23, 1988·6 cites·8 claims
- 4233US4388271ARapid diagnostic agentsROEHM GMBH·Filed 1981·Granted Jun 14, 1983·4 cites·5 claims
- 4332US4393406ACircuit for modifying the gradation of pictures produced by video signalsBOSCH GMBH ROBERT·Filed 1981·Granted Jul 12, 1983·2 cites·3 claims
- 4429US4459552ALow-noise video preamplifierBOSCH GMBH ROBERT·Filed 1982·Granted Jul 10, 1984·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →