Inventor
WIEDERHOLD HOLGER
DE15 patents
⚠️ This page may combine multiple inventors who share the name “WIEDERHOLD HOLGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EVONIK OPERATIONS GMBH
6 patentsUS12577218B2Mar 17, 2026
Method for increasing propylene oxide output of an integrated process for making propylene oxide and propylene glycol
EVONIK OPERATIONS GMBH0 citations50
US12479783B2Nov 25, 2025
Method for the preparation of 1,2-propanediol
EVONIK OPERATIONS GMBH0 citations50
US12459881B2Nov 4, 2025
Method for the preparation of 1,2-propanediol
EVONIK OPERATIONS GMBH0 citations50
US12459882B2Nov 4, 2025
Process for preparing 1,2-propanediol from propane
EVONIK OPERATIONS GMBH0 citations50
US12486209B2Dec 2, 2025
Method for the preparation of 1,2-propanediol
EVONIK OPERATIONS GMBH0 citations45
US12486210B2Dec 2, 2025
Method for the preparation of 1,2-propanediol
EVONIK OPERATIONS GMBH0 citations45
EVONIK DEGUSSA GMBH
5 patentsUS10214471B2Feb 26, 2019
Method for producing propylene glycol from propene and hydrogen peroxide
EVONIK DEGUSSA GMBH17 citations83
US10053438B2Aug 21, 2018
Integrated process for making propene oxide and an alkyl tert-butyl ether
EVONIK DEGUSSA GMBH12 citations82
US10053440B2Aug 21, 2018
Integrated process for making propene oxide and an alkyl tert-butyl ether
EVONIK DEGUSSA GMBH10 citations82
US10597374B2Mar 24, 2020
Integrated process for making propene and propene oxide from propane
EVONIK DEGUSSA GMBH1 citations60
US9102640B2Aug 11, 2015
Process for the manufacture of a 1,2-epoxide and a device for carrying out said process
EVONIK DEGUSSA GMBH0 citations47