Ralf Zerrer
8Patents
3h-index
14Co-inventors
46Inventor score
Filing activity: Aug 17, 1994 → Apr 6, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5530093A | Polycondensates containing phosphinic and phosphonic acid groups | Textiles; Paper | 20 | Expired |
| US7407667B2 | Pesticidal preparations comprising copolymers | Human Necessities | 14 | Expired |
| US6391962B1 | Copolymers and their use as drift control agents | Chemistry; Metallurgy | 9 | Expired |
| US5492995A | Polycondensates containing phosphinic or phosphonic acid groups and siloxane groups | Chemistry; Metallurgy | 2 | Expired |
| US5488123A | Polycondensates containing polysiloxane groups | Chemistry; Metallurgy | 2 | Expired |
| US5523471A | Process for the preparation of ether-sulphonates | Chemistry; Metallurgy | 2 | Expired |
| US6342466B1 | Biodegradable solutions of biologically active compounds | Human Necessities | 2 | Expired |
| US5425785A | Process for dyeing polyester and polyester-containing textile materials | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.