OP

Oliver Petermann

Dow Global Technologies: 17 patents #187 of 4,534Top 5%
N1 Nutrition & Biosciences Usa 1: 3 patents #1 of 27Top 4%
Overall (All Time): #194,565 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11142633 Aqueous composition comprising dispersed esterified cellulose ether Matthias Knarr, Meinolf Brackhagen 2021-10-12
10961355 Aqueous solution of cellulose ether acetate Jin Zhao 2021-03-30
10947322 Esterified cellulose ethers comprising phthalyl groups 2021-03-16
10759874 Gelling esterified cellulose ethers Matthias Knarr 2020-09-01
10759873 Esterified cellulose ethers of high molecular weight and homogeneity Matthias Sprehe, Meinolf Brackhagen 2020-09-01
10730957 Process of preparing an esterified cellulose ether in the presence of an alkali metal carboxylate and an aliphatic carboxylic acid Matthias Sprehe, Warren K. Miller 2020-08-04
10730956 Process for producing a water-soluble cellulose derivative having a reduced content of water-insoluble particles Roland Bayer 2020-08-04
10526421 Esterified cellulose ethers of low acetone-insoluble content Matthias Knarr, Matthias Sprehe 2020-01-07
10513599 Cellulose ether acetate phthalates 2019-12-24
10377835 Water-soluble esterified cellulose ethers Matthias Knarr 2019-08-13
10214594 Water-soluble esterified cellulose ethers having a low degree of neutralization Matthias Knarr, Robert B. Appell 2019-02-26
10196461 Efficient process for preparing an ester of a cellulose ether Matthias Sprehe, Robert B. Appell 2019-02-05
9890220 Esterified cellulose ethers of very high molecular weight Meinolf Brackhagen, Matthias Sprehe 2018-02-13
9757465 Composition comprising an organic diluent and a cellulose ether Roland Adden, Robert L. Sammler, Meinolf Brackhagen, Nicholas S. Grasman, Steven J. Guillaudeu 2017-09-12
9745387 Partially cross-linked esterified cellulose ethers Meinolf Brackhagen, Nicholas S. Grasman, Yongfu Li, David M. Meunier, Matthias Sprehe 2017-08-29
9616036 Sustained release dosage forms Meinolf Brackhagen, Roland Adden, Robert L. Sammler, David E. Wallick 2017-04-11
9617351 Esterified cellulose ethers of very low viscosity Robert B. Appell, Meinolf Brackhagen 2017-04-11
9587037 Process for recovering an esterified cellulose ether from a reaction product mixture Matthias Sprehe, Robert B. Appell, Robert T. Nilsson 2017-03-07
9486532 Esterified cellulose ethers of low viscosity Meinolf Brackhagen, Steven J. Guillaudeu, Nicholas S. Grasman, Robert L. Schmitt, Matthias Sprehe 2016-11-08
9453081 Process of preparing an ester of a cellulose ether Matthias Sprehe, Robert B. Appell 2016-09-27
9364546 Melt-extruded composition comprising a cellulose ether Nicholas S. Grasman, True L. Rogers, Meinolf Brackhagen, Roland Adden 2016-06-14
9320799 Esterified cellulose ethers having a specific substituent distribution Robert L. Schmitt, Robert L. Sammler, Meinolf Brackhagen, Roland Adden, Nicholas S. Grasman +1 more 2016-04-26