Berthold Schreck
11Patents
6h-index
28Co-inventors
66Inventor score
Filing activity: Apr 24, 1992 → Jul 23, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6289989A | Use of biodegradable alcoxylation products for cleaning boreholes, boring instruments or borings | Chemistry; Metallurgy | 42 | Expired |
| US5442082A | Alkoxylated compounds produced from epoxidized carboxylic acid derivatives | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5403440A | Use of compounds containing polyether chains prepared from epoxidized carboxylic acid derivatives for the removal of printing inks from wastepaper | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5540336A | Method of producing iron ore concentrates by froth flotation | Performing Operations; Transporting | 9 | Expired |
| US5234545A | Process for regenerating wastepaper in the presence of hydroxysulfonate salts | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5807529A | Process for the production of silicate-based builder granules with increased apparent density | Chemistry; Metallurgy | 6 | Expired |
| US7598217B2 | Multilayered detergent shaped bodies with viscoelastic phase | Chemistry; Metallurgy | 4 | Expired |
| US5914006A | Process for controlling the deposit of adhesive impurities from paper material suspensions | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5512134A | Process for removing printing inks from printed wastepaper or from paper circuit waters | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6306250A | Method of removing capsule oils from self-copying paper | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11692158B2 | Washing agent with improved optical and rheological properties | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.