Inventor · disambiguated record
Albrecht Marhold
Also filed as: KLAUKE ERICH · MARHOLD ALBRECHT · NAUMANN KLAUS · TIEMANN RALF
242 granted patents·20 pending applications·2,290 citations·filing 1976–2011
99Inventor score
Files withBAYER AG224LANXESS DEUTSCHLAND GMBH10BAYER CROPSCIENCE AG5BAYER CHEMICALS AG2WOLFRUM PETER2
Top patents by PatentIndex Score
262 records- 0197US5116836A3-phenyl-pyrrolidine-2,4-dione derivatives having pesticidal activityBAYER AG·Filed 1990·Granted May 26, 1992·105 cites·6 claims
- 0297US5059623ASubstituted cycloalkyl- and heterocyclyl-carboxanilidesBAYER AG·Filed 1989·Granted Oct 22, 1991·66 cites·8 claims
- 0397US5045560APesticidal tautomers of 3-aryl-pyrrolidine-2,4-diones and use thereasBAYER AG·Filed 1990·Granted Sep 3, 1991·107 cites·15 claims
- 0496US6387939B1Halogenzimidazoles and their use as microbicidesBAYER AG·Filed 2000·Granted May 14, 2002·41 cites·4 claims
- 0596US6020354AHalobenzimidazoles and their use as microbicidesBAYER AG·Filed 1996·Granted Feb 1, 2000·68 cites·5 claims
- 0696US4985063A3-aryl-pyrrolidine-2,4-dionesBAYER AG·Filed 1989·Granted Jan 15, 1991·112 cites·6 claims
- 0794US6638960B2Halogenobenzimidazoles and their use as microbicidesBAYER AG·Filed 2002·Granted Oct 28, 2003·25 cites·5 claims
- 0894US6268508B1Halobenzimidazoles and their use as microbicidesBAYER AG·Filed 2000·Granted Jul 31, 2001·27 cites·2 claims
- 0994US5171901AProcess for the preparation of 1,1,1,3,3,3-hexafluoropropane and 2-chloro-1,1,1,3,3,3-hexafluoropropaneBAYER AG·Filed 1991·Granted Dec 15, 1992·51 cites·6 claims
- 1093US6103717AHalogen pyrimidines and its use thereof as parasite abatement meansBAYER AG·Filed 1997·Granted Aug 15, 2000·59 cites·10 claims
- 1193US5463150AProcess for preparing hexafluorobuteneBAYER AG·Filed 1994·Granted Oct 31, 1995·44 cites·8 claims
- 1293US4183950ACombating arthropods with 2,2-dimethyl-3-vinyl-cyclopropane carboxylic acid esters of halogenated benzyl alcoholsBAYER AG·Filed 1977·Granted Jan 15, 1980·26 cites·9 claims
- 1392US5496866AC3 to C5 polyfluoroalkanes propellantsBAYER AG·Filed 1990·Granted Mar 5, 1996·56 cites·22 claims
- 1492US5091537AIntermediates for preparing 3-aryl-pyrrolidine-2,4-dionesBAYER AG·Filed 1990·Granted Feb 25, 1992·53 cites·2 claims
- 1592US5069711AHerbicidal n-aryl-substituted nitrogen-containing heterocyclesBAYER AG·Filed 1991·Granted Dec 3, 1991·50 cites·14 claims
- 1691US4902839AProcess for preparing fluorinated C4 to C6 hydrocarbons and novel cyclic fluorinated hydrocarbons and their use as propellant gas and working fluid for heat pump systemsBAYER AG·Filed 1988·Granted Feb 20, 1990·26 cites·10 claims
- 1790US5637737AProcess for the preparation of 2,2-difluorobenzo[1.3]dioxolecarbaldehydesBAYER AG·Filed 1996·Granted Jun 10, 1997·48 cites·8 claims
- 1890US5142065A3-aryl-pyrrolidine-2,4-dionesBAYER AG·Filed 1991·Granted Aug 25, 1992·42 cites·1 claims
- 1989US5186737APesticidal 3-aryl-pyrrolidine-2,4-dionesBAYER AG·Filed 1991·Granted Feb 16, 1993·55 cites·12 claims
- 2089US5006148AN-aryl-substituted nitrogen-containing heterocycles, and their use as herbicides and plant growth regulatorsBAYER AG·Filed 1989·Granted Apr 9, 1991·22 cites·7 claims
- 2188US6407233B1Halogen pyrimidines and its use thereof as parasite abatement meansBAYER AG·Filed 2000·Granted Jun 18, 2002·16 cites·5 claims
- 2287US5593945AN-cyanoaryl-nitrogen heterocyclesBAYER AG·Filed 1994·Granted Jan 14, 1997·27 cites·26 claims
- 2387US4310540ACombating arthropods with novel benzyl estersBAYER AG·Filed 1979·Granted Jan 12, 1982·11 cites·10 claims
- 2486US6162943AMethod for producing α-alkoxy-α-trifluoromethyl-aryl acetic esters and -aryl acetic acidsBAYER AG·Filed 1997·Granted Dec 19, 2000·31 cites·8 claims
- 2586US4954666AProcess for preparing fluorinated C4 to C6 hydrocarbons and novel cyclic fluorinated hydrocarbons and their use as propellant gas and working fluid for heat pump systemsBAYER AG·Filed 1989·Granted Sep 4, 1990·17 cites·3 claims
- 2685US5681794AN-cyanoaryl-nitrogen heterocyclesBAYER AG·Filed 1994·Granted Oct 28, 1997·25 cites·32 claims
- 2784US7259267B2Difluorobenzo-1,3-dioxolesLANXESS DEUTSCHLAND GMBH·Filed 2005·Granted Aug 21, 2007·4 cites·9 claims
- 2884US6395921B1Process for preparing [bis-(trifluoromethyl)-phenyl]-acetic acids and alkyl esters thereof and dialkyl [bis-(trifluoromethyl)-phenyl]-malonatesBAYER AG·Filed 2000·Granted May 28, 2002·15 cites·14 claims
- 2983US5675016AProcess for the preparation of 1,3-dimethyl-5-fluoro-pyrazole-4-carboxanilidesBAYER AG·Filed 1996·Granted Oct 7, 1997·26 cites·9 claims
- 3083US5315047AProcess for the preparation of hexafluorobutane, and intermediates thereby obtainableBAYER AG·Filed 1993·Granted May 24, 1994·20 cites·4 claims
- 3183US4936892A1-arylpyrazoles, compositions and useBAYER AG·Filed 1988·Granted Jun 26, 1990·16 cites·14 claims
- 3282US6255528B1Process for preparing phenethylamines and novel chemical compoundsFiled 2000·Granted Jul 3, 2001·13 cites·10 claims
- 3382US6127547AHalobenzimidazoles and their use as microbicidesBAYER AG·Filed 1999·Granted Oct 3, 2000·16 cites·2 claims
- 3482US5554580AN-aryl-substituted nitrogen-containing heterocycles intermediates and their use as herbicides and plant growth regulatorsBAYER AG·Filed 1992·Granted Sep 10, 1996·18 cites·14 claims
- 3581US4277499ACombating insects with N-(substituted-phenyl)-N-(2-chloro-6-fluoro-benzoyl)-ureasBAYER AG·Filed 1980·Granted Jul 7, 1981·15 cites·6 claims
- 3679US5939441ASubstituted pyridylpyrazolesBAYER AG·Filed 1995·Granted Aug 17, 1999·22 cites·5 claims
- 3779US4767444AHerbicidal and microbiocidal 2-trifluoromethyl-benzimidazolesBAYER AG·Filed 1987·Granted Aug 30, 1988·14 cites·12 claims
- 3877US7250521B2Method for production of Δ1-pyrrolinesBAYER CROPSCIENCE AG·Filed 2002·Granted Jul 31, 2007·8 cites·19 claims
- 3977US4956370AAntimycotically active substituted 2-aminothiazolesBAYER AG·Filed 1989·Granted Sep 11, 1990·14 cites·6 claims
- 4077US4886816ACirculation-active dioxyalkylenearyl-dihydropyridinesBAYER AG·Filed 1988·Granted Dec 12, 1989·21 cites·12 claims
- 4177US4764202A5-dichloroacetamido-4-nitro-1-aryl-pyrazoles, composition containing them, and herbicidal and plant growth regulating method of using themBAYER AG·Filed 1986·Granted Aug 16, 1988·10 cites·12 claims
- 4277US4600787AProcess for the preparation of aromatic compounds which contain perfluorinated side-chains bonded via a heteroatomBAYER AG·Filed 1984·Granted Jul 15, 1986·10 cites·16 claims
- 4376US6137011AProcess for the preparation of bistrifluoromethylbenzylaminesBAYER AG·Filed 2000·Granted Oct 24, 2000·7 cites·8 claims
- 4476US5434303AProcess for the preparation of 1-fluoro-cyclopropane-1-carboxylic acidBAYER AG·Filed 1993·Granted Jul 18, 1995·12 cites·7 claims
- 4575US6710045B2Heterocyclic fluoroalkenyl thioethers and the use thereof as pesticides (IV)BAYER CROPSCIENCE AG·Filed 2001·Granted Mar 23, 2004·6 cites·11 claims
- 4675US6518296B1Substituted 3-thiocarbamoylpyrazolesBAYER AG·Filed 2000·Granted Feb 11, 2003·7 cites·8 claims
- 4775US4179461AProcess for the preparation of diphenyl ethersBAYER AG·Filed 1978·Granted Dec 18, 1979·10 cites·3 claims
- 4874US6927215B2Heterocyclic fluoroalkenyl thioethers and the use thereof as pesticides (I)BAYER CROPSCIENCE AG·Filed 2001·Granted Aug 9, 2005·5 cites·9 claims
- 4974US5313003ACopolymerizable fluorinated compounds, a process for their preparation and thermoplastic fluoropolymers obtainable therefromBAYER AG·Filed 1993·Granted May 17, 1994·19 cites·2 claims
- 5074US5210340APreparation of polyfluorobutenesBAYER AG·Filed 1992·Granted May 11, 1993·12 cites·6 claims
Showing the top 50 of 262 patent records by PatentIndex Score.
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