Klaus Kwetkat
17Patents
7h-index
14Co-inventors
59Inventor score
Filing activity: Jun 26, 1997 → Dec 19, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6710022B1 | Tenside composition containing gemini tensides and co-amphiphiles and production and use thereof | Human Necessities | 25 | Expired |
| US6034271A | Betaine gemini surfactants made from amines | Chemistry; Metallurgy | 11 | Expired |
| US6121482A | Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups based on dicarboxamides | Chemistry; Metallurgy | 9 | Expired |
| US6156721A | Use of anionic gemini tensides in formulations for washing, cleaning and body care agents | Chemistry; Metallurgy | 9 | Expired |
| US7393817B2 | Tenside composition containing gemini tensides and co-amphiphiles and production and use thereof | Human Necessities | 9 | Expired |
| US5977404A | Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups based on di-, oligo- and polyol ethers | Chemistry; Metallurgy | 8 | Expired |
| US6066755A | Amphiphilic compounds with a plurality of hydrophilic and hydrophobic groups based on carbonic acid derivatives | Chemistry; Metallurgy | 8 | Expired |
| US6342625B1 | Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups based on amides | Chemistry; Metallurgy | 7 | Expired |
| US6608230B2 | Single-stage method for producing &agr;-hydroxy ethers by oxidizing C=C unsaturated compounds with hydroperoxides | Chemistry; Metallurgy | 3 | Expired |
| US5997610A | Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups based on dicarboxylic acid diamides | Chemistry; Metallurgy | 3 | Expired |
| US6380439B1 | Single-stage method for producing &agr;-hydroxy ethers by oxidizing C=C-unsaturated compounds with hydroperoxides | Chemistry; Metallurgy | 2 | Expired |
| US5962726A | Amphiphilic compounds with several hydrophilic and hydrophobic groups based on alkoxylated amines and/or amides and di-, oligo- or polycarboxylic acids | Chemistry; Metallurgy | 2 | Expired |
| US9757701B2 | Method for producing oil-in-water emulsions from self-emulsifying gel concentrates | Human Necessities | 1 | Active |
| US6316396A | Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups based on di-, oligo- or polyolethers | Chemistry; Metallurgy | 1 | Expired |
| US6593376B1 | Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups on a di-,oligo- or polyene base | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6211409A | Process for preparing mono-, Di- or oligoamide alkoxylates | Chemistry; Metallurgy | 0 | Expired |
| US6323363A | Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups based on dicarboxylic acid diamides | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.