Michael Meier
23Patents
5h-index
24Co-inventors
69Inventor score
Filing activity: Nov 24, 1989 → Jan 12, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5395914A | Polyarylene ethers containing xanthone units, a process for their preparation, and their use | Chemistry; Metallurgy | 13 | Expired |
| US5136043A | Process for the preparation of aromatic sulfonyl chlorides | Chemistry; Metallurgy | 7 | Expired |
| US5557005A | Process for preparing 3-chloroanthranilic alkyl esters of high purity from 3-chloroanthranilic acid | Chemistry; Metallurgy | 6 | Expired |
| US5003079A | Process for the preparation of benzimidazolones | Chemistry; Metallurgy | 5 | Expired |
| US5124489A | Process for preparing phenethanol ethers by the reduction of corresponding phenylglyoxal acetals | Chemistry; Metallurgy | 5 | Expired |
| US5416234A | Process for the preparation of 3'-aminopropyl 2-sulfatoethyl sulfone | Chemistry; Metallurgy | 3 | Expired |
| US5281740A | Process for the preparation of 3'-aminopropyl 2-sulfatoethyl sulfone | Chemistry; Metallurgy | 2 | Expired |
| US5756757A | Process for the preparation of 3-hydroxy-N-benzimidazolon-5-yl-2-naphthamide in the high purity required of azo pigments | Chemistry; Metallurgy | 1 | Expired |
| US5446201A | Di(3-(2-chloroethylsulfonyl)-1-propyl)amine hydrochloride and a process for its preparation | Chemistry; Metallurgy | 1 | Expired |
| US5227527A | Process for the preparation of 3'-aminopropyl 2-chloroethyl sulfone semisulfate | Chemistry; Metallurgy | 1 | Expired |
| US5278341A | N-acylaminoalkyl 2-hydroxyethyl sulfides and a process for their preparation | Chemistry; Metallurgy | 1 | Expired |
| US5563271A | N-(2-sulfatoethyl)piperazine sulfate and its preparation | Chemistry; Metallurgy | 1 | Expired |
| US5596099A | Process for the preparation of N-(2-sulfatoethyl)-piperazine in high purity | Chemistry; Metallurgy | 0 | Expired |
| US8455698B2 | Hydroxy- and aldehyde functional compounds | Chemistry; Metallurgy | 0 | Active |
| US5777111A | Process for the preparation of 3-(N-Aryl-amino)-propyl-2'-sulfato-ethylsulfonyl compounds | Chemistry; Metallurgy | 0 | Expired |
| US5550286A | Process for the preparation of aromatic carboxamides from aromatic carboxylic acids and urea | Chemistry; Metallurgy | 0 | Expired |
| US5436370A | Process for the preparation of 3-nitrobenzenesulfonyl chloride | Chemistry; Metallurgy | 0 | Expired |
| US8394996B2 | Method for producing aldehyde functional compounds | Emerging Cross-Sectional Technologies | 0 | Active |
| US5371281A | Process for preparing alkali metal 3-sulfobenzoates | Chemistry; Metallurgy | 0 | Expired |
| US5672738A | Process for the preparation of 3-(N-aryl-amino)-propyl-2'-sulfatoethyl-sulfonyl compounds | Chemistry; Metallurgy | 0 | Expired |
| US5387711A | Process for preparing 3-sulfobenzoic acid and alkali metal salts thereof | Chemistry; Metallurgy | 0 | Expired |
| US5292966A | Process for the preparation of 2-nitro-3, 6-dichlorophenol | Chemistry; Metallurgy | 0 | Expired |
| US5695529A | Liquid formulation of N-(2-sulfatoethyl)piperazine sulfate | Textiles; Paper | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.