Inventor
KUPFER RAINER
DE21 patents
⚠️ This page may combine multiple inventors who share the name “KUPFER RAINER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
6 patentsUS5421993AJun 6, 1995
Process of inhibiting corrosion, demulsifying and/or depressing the pour point of crude oil
HOECHST AG41 citations92
US5171877ADec 15, 1992
Urethanes made from aliphatic fluoro alcohols, isocyanates and carboxylic acids, a process for their preparation and their use
HOECHST AG22 citations90
US5534604AJul 9, 1996
Copolymers based on ethylenically unsaturated dicarboxylic anhydrides, long-chain olefins and fluoroolefins
HOECHST AG22 citations86
US5385674AJan 31, 1995
Process for separation of petroleum emulsions of the water-in-oil type
HOECHST AG9 citations73
US5114616AMay 19, 1992
Esterified glycidyl ether addition products and their use
HOECHST AG9 citations73
US5039450AAug 13, 1991
Process for the separation of crude oil emulsions of the water-in-oil type
HOECHST AG12 citations72
CLARIANT GMBH
6 patentsUS6326514B1Dec 4, 2001
Process for the preparation of ether carboxylic acids with low residual alcohol content
CLARIANT GMBH32 citations90
US6391962B2May 21, 2002
Copolymers and their use as drift control agents
CLARIANT GMBH14 citations82
US7008561B2Mar 7, 2006
Ether carboxylic acids based on alkoxylated mercaptobenzothiazoles and use of the same as corrosion inhibitors
CLARIANT GMBH5 citations62
US6313076B1Nov 6, 2001
Use of polymers as antimisting additives in water-based cooling lubricants
CLARIANT GMBH4 citations61
US6462000B1Oct 8, 2002
Use of polymers as antimisting additives in water-based cooling lubricants
CLARIANT GMBH1 citations51
US6414075B1Jul 2, 2002
Use of polymers as antimisting additives in water-based cooling lubricants
CLARIANT GMBH1 citations51
CLARIANT INT LTD
4 patentsUS10131861B2Nov 20, 2018
Corrosion-inhibiting compositions
CLARIANT INT LTD4 citations70
US11753541B2Sep 12, 2023
Dispersing agent
CLARIANT INT LTD1 citations52
US10920080B2Feb 16, 2021
N-Alkyl glucamine-based universal pigment dispersions
CLARIANT INT LTD0 citations51
US11220603B2Jan 11, 2022
Stabilizers for silicate paints
CLARIANT INT LTD0 citations50