Ursula Sonnewald
17Patents
5h-index
12Co-inventors
59Inventor score
Filing activity: Oct 17, 1988 → Jan 23, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5071859A | N-substituted azaheterocyclic carboxylic acids and pharmaceutical uses | Chemistry; Metallurgy | 20 | Expired |
| US5595989A | N-substituted azaheterocyclic carboxylic acids and esters thereof | Chemistry; Metallurgy | 18 | Expired |
| US5688788A | N-substituted azaheterocyclic carboxylic acids and esters thereof | Chemistry; Metallurgy | 16 | Expired |
| US5231106A | Azacyclic carboxylic acid derivatives and their preparation and use | Chemistry; Metallurgy | 14 | Expired |
| US4931450A | Amino acid derivatives | Chemistry; Metallurgy | 11 | Expired |
| US5795888A | N-substituted azaheterocyclic carboxlic acids and esters thereof | Chemistry; Metallurgy | 4 | Expired |
| US5039685A | Azacyclic carboxylic acid derivatives, their preparation and use | Chemistry; Metallurgy | 3 | Expired |
| US5712292A | N-substituted azaheterocyclic carboxylic acids and esters thereof | Chemistry; Metallurgy | 2 | Expired |
| US5668129A | N-substituted azaheterocyclic carboxylic acids and esters thereof | Chemistry; Metallurgy | 2 | Expired |
| US5198451A | Heterocyclic carboxylic acids | Chemistry; Metallurgy | 1 | Expired |
| US5721254A | N-substituted azaheterocyclic carboxylic acids and esters thereof | Chemistry; Metallurgy | 1 | Expired |
| US5214057A | N-substituted azaheterocyclic carboxylic acids | Chemistry; Metallurgy | 0 | Expired |
| US5229404A | Azacyclic carboxylic acid derivatives and their preparation and use | Chemistry; Metallurgy | 0 | Expired |
| US6043239A | Heterocyclic compounds | Chemistry; Metallurgy | 0 | Expired |
| US5102894A | Substituted piperidine compounds and their use | Chemistry; Metallurgy | 0 | Expired |
| US5693649A | N-substituted azaheterocyclic carboxylic acids and esters thereof | Chemistry; Metallurgy | 0 | Expired |
| US5214054A | Azacyclic carboxylic acid derivatives and their preparation and use | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.