Inventor · disambiguated record
Matthias Sprehe
Also filed as: SPREHE MATTHIAS · SPREHE MATTHIAS R · SPREHE MATTHIAS RUDOLPH
13 granted patents·19 pending applications·15 citations·filing 2007–2022
86Inventor score
Files withDOW GLOBAL TECHNOLOGIES LLC24NUTRITION & BIOSCIENCES USA 1 LLC2SPREHE MATTHIAS2ADDEN ROLAND1ENGELMAN RICHARD A1
Top patents by PatentIndex Score
32 records- 0188US9453081B2Process of preparing an ester of a cellulose etherDOW GLOBAL TECHNOLOGIES LLC·Filed 2013·Granted Sep 27, 2016·4 cites·15 claims
- 0287US10196461B2Efficient process for preparing an ester of a cellulose etherDOW GLOBAL TECHNOLOGIES LLC·Filed 2015·Granted Feb 5, 2019·2 cites·15 claims
- 0381US10759873B2Esterified cellulose ethers of high molecular weight and homogeneityDOW GLOBAL TECHNOLOGIES LLC·Filed 2015·Granted Sep 1, 2020·2 cites·17 claims
- 0477US10730957B2Process of preparing an esterified cellulose ether in the presence of an alkali metal carboxylate and an aliphatic carboxylic acidDOW GLOBAL TECHNOLOGIES LLC·Filed 2013·Granted Aug 4, 2020·1 cites·14 claims
- 0577US9587037B2Process for recovering an esterified cellulose ether from a reaction product mixtureDOW GLOBAL TECHNOLOGIES LLC·Filed 2014·Granted Mar 7, 2017·1 cites·15 claims
- 0676US9486532B2Esterified cellulose ethers of low viscosityDOW GLOBAL TECHNOLOGIES LLC·Filed 2014·Granted Nov 8, 2016·1 cites·13 claims
- 0773US10526421B2Esterified cellulose ethers of low acetone-insoluble contentDOW GLOBAL TECHNOLOGIES LLC·Filed 2015·Granted Jan 7, 2020·1 cites·14 claims
- 0873US9890220B2Esterified cellulose ethers of very high molecular weightDOW GLOBAL TECHNOLOGIES LLC·Filed 2014·Granted Feb 13, 2018·1 cites·20 claims
- 0973US2022049022A1Process for recovering an esterified cellulose ether from a reaction product mixtureDOW GLOBAL TECHNOLOGIES LLC·Filed 2021·Application pending·0 cites
- 1072US8993747B2Process for improved production of alkali cellulose and cellulose derivativesSPREHE MATTHIAS·Filed 2010·Granted Mar 31, 2015·2 cites·15 claims
- 1168US2022056157A1Process for fractionating an esterified cellulose etherDOW GLOBAL TECHNOLOGIES LLC·Filed 2021·Application pending·0 cites
- 1264US2015368365A1Novel esterified cellulose ethers of low viscosity and high molecular weightDOW GLOBAL TECHNOLOGIES LLC·Filed 2014·Application pending·0 cites
- 1364US2021115161A1Process for Recovering an Esterified Cellulose Ether from a Reaction Product MixtureDOW GLOBAL TECHNOLOGIES LLC·Filed 2018·Application pending·0 cites
- 1463US2019184020A1Novel esterified cellulose ethers of high molecular weight and homogeneityDOW GLOBAL TECHNOLOGIES LLC·Filed 2019·Application pending·0 cites
- 1559US2015202301A1Novel esterified cellulose ethers of high molecular weight and homogeneityDOW GLOBAL TECHNOLOGIES LLC·Filed 2013·Application pending·0 cites
- 1658US2018319898A1Novel esterified cellulose ethers of low viscosity and high molecular weightDOW GLOBAL TECHNOLOGIES LLC·Filed 2018·Application pending·0 cites
- 1758US2018127516A1Novel esterified cellulose ethers of very high molecular weightPETERMANN OLIVER·Filed 2018·Application pending·0 cites
- 1854US2018030157A1Process for fractionating an esterified cellulose etherDOW GLOBAL TECHNOLOGIES LLC·Filed 2016·Application pending·0 cites
- 1952US9745387B2Partially cross-linked esterified cellulose ethersDOW GLOBAL TECHNOLOGIES LLC·Filed 2013·Granted Aug 29, 2017·0 cites·15 claims
- 2052US2015203595A1Process for preparing an ester of a cellulose ether in the presence of an alkali metal carboxylateDOW GLOBAL TECHNOLOGIES LLC·Filed 2013·Application pending·0 cites
- 2151US12291582B2Process for producing a crosslinked cellulose etherDOW GLOBAL TECHNOLOGIES LLC·Filed 2020·Granted May 6, 2025·0 cites·10 claims
- 2250US2015218198A1Novel hydroxyalkyl methyl cellulose acetate succinatesDOW GLOBAL TECHNOLOGIES LLC·Filed 2013·Application pending·0 cites
- 2349US2015218197A1Process for preparing an ester of a cellulose ether in the presence of an aliphatic carboxylic acidDOW GLOBAL TECHNOLOGIES LLC·Filed 2013·Application pending·0 cites
- 2447US2024067759A1Improved method for the preparation of colloidal microcrystalline celluloseNUTRITION & BIOSCIENCES USA 1 LLC·Filed 2022·Application pending·0 cites
- 2547US2012040065A1Carboxymethyl cellulose with improved propertiesADDEN ROLAND·Filed 2010·Application pending·0 cites
- 2646US2024301177A1Improved method for the preparation of microcrystalline celluloseNUTRITION & BIOSCIENCES USA 1 LLC·Filed 2022·Application pending·0 cites
- 2745US2020131280A1Process for recovering an esterified cellulose ether from a reaction product mixtureDOW GLOBAL TECHNOLOGIES LLC·Filed 2018·Application pending·0 cites
- 2842US2010099862A1Process for washing polysaccharide derivativesSPREHE MATTHIAS·Filed 2007·Application pending·0 cites
- 2941US2017335018A1Process for producing a cellulose ether acetate succinateDOW GLOBAL TECHNOLOGIES LLC·Filed 2015·Application pending·0 cites
- 3041US2017335019A1Process for preparing an ester of a cellulose etherDOW GLOBAL TECHNOLOGIES LLC·Filed 2015·Application pending·0 cites
- 3138US9156919B2Method of removing alkylene halogenohydrin from cellulose etherENGELMAN RICHARD A·Filed 2012·Granted Oct 13, 2015·0 cites·16 claims
- 3236US9187572B2Treatment of polysaccarides with dialdehydesHILD ALEXANDRA·Filed 2011·Granted Nov 17, 2015·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →