Inventor · disambiguated record
Michael Meier
Also filed as: MEIER MICHAEL · MEIER MICHAEL A R · MEIER MICHAEL DR
23 granted patents·3 pending applications·95 citations·filing 1989–2022
94Inventor score
Top patents by PatentIndex Score
26 records- 0177US5136043AProcess for the preparation of aromatic sulfonyl chloridesHOECHST AG·Filed 1991·Granted Aug 4, 1992·16 cites·6 claims
- 0276US5395914APolyarylene ethers containing xanthone units, a process for their preparation, and their useHOECHST AG·Filed 1993·Granted Mar 7, 1995·23 cites·18 claims
- 0372US5003079AProcess for the preparation of benzimidazolonesHOECHST AG·Filed 1989·Granted Mar 26, 1991·10 cites·9 claims
- 0464US5124489AProcess for preparing phenethanol ethers by the reduction of corresponding phenylglyoxal acetalsHOECHST CELANESE CORP·Filed 1991·Granted Jun 23, 1992·8 cites·12 claims
- 0561US5416234AProcess for the preparation of 3'-aminopropyl 2-sulfatoethyl sulfoneHOECHST AG·Filed 1992·Granted May 16, 1995·8 cites·12 claims
- 0660US5557005AProcess for preparing 3-chloroanthranilic alkyl esters of high purity from 3-chloroanthranilic acidHOECHST AG·Filed 1995·Granted Sep 17, 1996·10 cites·20 claims
- 0757US2024279419A1Rigid pur/pir foams, method of synthesis of a polyol for producing rigid pur/pir foams, and method for producing rigid pur/pir foamsPUREN GMBH·Filed 2022·Application pending·0 cites
- 0848US5281740AProcess for the preparation of 3'-aminopropyl 2-sulfatoethyl sulfoneHOECHST AG·Filed 1991·Granted Jan 25, 1994·4 cites·12 claims
- 0947US5436370AProcess for the preparation of 3-nitrobenzenesulfonyl chlorideHOECHST AG·Filed 1991·Granted Jul 25, 1995·3 cites·17 claims
- 1047US2009298676A1Unimolocular Micelles Containing Metal Nanoparticles and their Use as Catalyst for Synthesis of Carbon-Carbon-BondsMEIER MICHAEL·Filed 2005·Application pending·0 cites
- 1145US8455698B2Hydroxy- and aldehyde functional compoundsMEIER MICHAEL A R·Filed 2009·Granted Jun 4, 2013·0 cites·17 claims
- 1245US5756757AProcess for the preparation of 3-hydroxy-N-benzimidazolon-5-yl-2-naphthamide in the high purity required of azo pigmentsHOECHST AG·Filed 1995·Granted May 26, 1998·3 cites·18 claims
- 1342US5387711AProcess for preparing 3-sulfobenzoic acid and alkali metal salts thereofHOECHST AG·Filed 1993·Granted Feb 7, 1995·2 cites·19 claims
- 1442US2015329484A1Ester having sulphone groupGRASS MICHAEL·Filed 2013·Application pending·0 cites
- 1539US5292966AProcess for the preparation of 2-nitro-3, 6-dichlorophenolHOECHST AG·Filed 1993·Granted Mar 8, 1994·2 cites·20 claims
- 1638US5371281AProcess for preparing alkali metal 3-sulfobenzoatesHOECHST AG·Filed 1993·Granted Dec 6, 1994·1 cites·20 claims
- 1737US5550286AProcess for the preparation of aromatic carboxamides from aromatic carboxylic acids and ureaHOECHST AG·Filed 1994·Granted Aug 27, 1996·1 cites·14 claims
- 1836US5563271AN-(2-sulfatoethyl)piperazine sulfate and its preparationHOECHST AG·Filed 1995·Granted Oct 8, 1996·1 cites·17 claims
- 1936US5278341AN-acylaminoalkyl 2-hydroxyethyl sulfides and a process for their preparationHOECHST AG·Filed 1991·Granted Jan 11, 1994·1 cites·5 claims
- 2034US8394996B2Method for producing aldehyde functional compoundsMEIER MICHAEL A R·Filed 2010·Granted Mar 12, 2013·0 cites·20 claims
- 2134US5777111AProcess for the preparation of 3-(N-Aryl-amino)-propyl-2'-sulfato-ethylsulfonyl compoundsHOECHST AG·Filed 1997·Granted Jul 7, 1998·0 cites·19 claims
- 2234US5227527AProcess for the preparation of 3'-aminopropyl 2-chloroethyl sulfone semisulfateHOECHST AG·Filed 1992·Granted Jul 13, 1993·1 cites·13 claims
- 2333US5672738AProcess for the preparation of 3-(N-aryl-amino)-propyl-2'-sulfatoethyl-sulfonyl compoundsHOECHST AG·Filed 1995·Granted Sep 30, 1997·0 cites·7 claims
- 2428US5695529ALiquid formulation of N-(2-sulfatoethyl)piperazine sulfateHOECHST AG·Filed 1996·Granted Dec 9, 1997·0 cites·13 claims
- 2528US5446201ADi(3-(2-chloroethylsulfonyl)-1-propyl)amine hydrochloride and a process for its preparationHOECHST AG·Filed 1993·Granted Aug 29, 1995·1 cites·13 claims
- 2626US5596099AProcess for the preparation of N-(2-sulfatoethyl)-piperazine in high purityHOECHST AG·Filed 1995·Granted Jan 21, 1997·0 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →