Eberhard Perplies
7Patents
4h-index
5Co-inventors
50Inventor score
Filing activity: Apr 23, 1980 → Apr 21, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4316982A | Process for reducing the viscosity of cellulose ethers by means of ozone and application thereof | Chemistry; Metallurgy | 38 | Expired |
| US4460766A | Dispersing auxiliary for preparing cellulose ethers | Chemistry; Metallurgy | 13 | Expired |
| US4337328A | Acrylic polymers having a high swellability in water | Textiles; Paper | 8 | Expired |
| US4501887A | Preparing cellulose ethers in a dimethoxyethane/(dispersing auxiliary) medium | Chemistry; Metallurgy | 7 | Expired |
| US4526961A | Process for etherifying cellulose with alkyl monochloroacetates | Chemistry; Metallurgy | 3 | Expired |
| US4454045A | Process for purification of mixtures containing water, salts, glycolate ions and organic solvents | Chemistry; Metallurgy | 3 | Expired |
| US7578458B2 | Method and device for grinding cellulose | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.