Norbert Wrede
6Patents
5h-index
15Co-inventors
56Inventor score
Filing activity: Nov 23, 1992 → Jul 10, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5391783A | Process for the production of light-colored pastes of .alpha.-sulfofatty acid alkyl ester alkali metal salts | Chemistry; Metallurgy | 20 | Expired |
| US5382677A | Process for the production of highly concentrated pastes of .alpha.-sulfofatty acid alkyl ester alkali metal salts | Chemistry; Metallurgy | 15 | Expired |
| US6616851B1 | System and method for treating water circulating in open-circuit cooling systems | Chemistry; Metallurgy | 11 | Expired |
| US6191097A | Process for preparing raw materials for washing agents | Chemistry; Metallurgy | 9 | Expired |
| US5384422A | Process for the production of light-colored .alpha.-sulfofatty acid alkyl ester alkali metal salt pastes | Chemistry; Metallurgy | 5 | Expired |
| US5391782A | Process for the production of highly concentrated pastes of .alpha.-sulfofatty acid alkyl ester alkali metal salts | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.