Hartmut Riechers
26Patents
8h-index
30Co-inventors
71Inventor score
Filing activity: Oct 7, 1995 → Oct 6, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5932730A | Carboxylic acid derivatives, their preparation and use | Chemistry; Metallurgy | 20 | Expired |
| US7109205B2 | Carboxylic acid derivatives, their preparation and use | Chemistry; Metallurgy | 16 | Expired |
| US5840722A | Use of carboxylic acid derivatives as drugs | Human Necessities | 12 | Expired |
| US6103732A | Carboxylic acid derivatives, their production and use | Chemistry; Metallurgy | 11 | Expired |
| US5969134A | Carboxylic acid derivatives, their preparation and use | Chemistry; Metallurgy | 10 | Expired |
| US6559338B1 | Method for racemate splitting of 2-hydroxypropionic acids | Chemistry; Metallurgy | 10 | Expired |
| US6004988A | Carboxylic acid derivatives, their preparation and their use | Chemistry; Metallurgy | 9 | Expired |
| US6600043B2 | Carboxylic acid derivatives, their preparation and use | Chemistry; Metallurgy | 8 | Expired |
| US7119097B2 | Carboxylic acid derivatives, their preparation and their use | Chemistry; Metallurgy | 8 | Expired |
| US6197958A | Carboxylic acid derivatives, their preparation and use | Chemistry; Metallurgy | 8 | Expired |
| US6627756B1 | Preparation of pure triethylenediamine | Chemistry; Metallurgy | 7 | Expired |
| US7601730B2 | Carboxylic acid derivatives, their preparation and use | Chemistry; Metallurgy | 6 | Active |
| US6049007A | Racemization of optically active amines | Chemistry; Metallurgy | 5 | Expired |
| US6160178A | Racemization of optically active amines | Chemistry; Metallurgy | 3 | Expired |
| US6448248B1 | Heterocyclic carboxylic acid derivatives, the production and use thereof as endothelin receptor antagonists | Chemistry; Metallurgy | 3 | Expired |
| US6670367B1 | Azinyloxy, and phenoxy-diaryl-carboxylic acid derivatives, their preparation and use as mixed ETA/ETB endothelin receptor antagonists | Chemistry; Metallurgy | 2 | Expired |
| US6111100A | Preparation of bis(2-morpholinoethyl) ether | Chemistry; Metallurgy | 2 | Expired |
| US6153797A | Racemizing of optically active amines | Chemistry; Metallurgy | 2 | Expired |
| US7863445B2 | Carboxylic acid derivatives, their preparation and use | Chemistry; Metallurgy | 0 | Active |
| USRE42477E1 | Carboxylic acid derivatives, their preparation and use | General | 0 | Expired |
| USRE42462E1 | Carboxylic acid derivatives, their preparation and use | General | 0 | Expired |
| US6686369B1 | &agr;-hydrdroxylic acid derivatives, their production and use | Chemistry; Metallurgy | 0 | Expired |
| US8349843B2 | Carboxylic acid derivatives, their preparation and use | Chemistry; Metallurgy | 0 | Active |
| US6440975B1 | Amino acid derivatives, the preparation and use thereof as endothelin antagonists | Chemistry; Metallurgy | 0 | Expired |
| US6610691B1 | Carboxylic acid derivatives, their production and use | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.