Inventor · disambiguated record
Eberhard Perplies
Also filed as: PERPLIES EBERHARD
7 granted patents·1 pending application·143 citations·filing 1980–2005
86Inventor score
Top patents by PatentIndex Score
8 records- 0195US4316982AProcess for reducing the viscosity of cellulose ethers by means of ozone and application thereofHOECHST AG·Filed 1980·Granted Feb 23, 1982·84 cites·4 claims
- 0277US4460766ADispersing auxiliary for preparing cellulose ethersHOECHST AG·Filed 1982·Granted Jul 17, 1984·21 cites·11 claims
- 0368US7578458B2Method and device for grinding celluloseSE TYLOSE GMBH & CO KG·Filed 2005·Granted Aug 25, 2009·2 cites·12 claims
- 0465US4526961AProcess for etherifying cellulose with alkyl monochloroacetatesHOECHST AG·Filed 1983·Granted Jul 2, 1985·12 cites·20 claims
- 0559US4501887APreparing cellulose ethers in a dimethoxyethane/(dispersing auxiliary) mediumHOECHST AG·Filed 1984·Granted Feb 26, 1985·11 cites·17 claims
- 0651US4337328AAcrylic polymers having a high swellability in waterHOECHST AG·Filed 1981·Granted Jun 29, 1982·8 cites·6 claims
- 0745US4454045AProcess for purification of mixtures containing water, salts, glycolate ions and organic solventsHOECHST AG·Filed 1982·Granted Jun 12, 1984·5 cites·17 claims
- 0842US2005261490A1Method for producing temporarily cross-linked cellulose ethersPERPLIES EBERHARD·Filed 2003·Application pending·0 cites
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