Inventor
FELDHUES ULRICH
DE29 patents
⚠️ This page may combine multiple inventors who share the name “FELDHUES ULRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
10 patentsUS6025490AFeb 15, 2000
Process for the preparation of substituted 4,4'-diaminostilbene-2,2'-disulphonic acids
BAYER AG21 citations91
US6068695AMay 30, 2000
Process for the continuous preparation of quinacridones
BAYER AG12 citations70
US6833455B2Dec 21, 2004
Bridged perinones/quinophthalones
BAYER AG2 citations62
US6121444ASep 19, 2000
Process for preparing substituted 4,4'-diaminostilbene-2,2'-disulphonic acid salts
BAYER AG5 citations62
US6596864B1Jul 22, 2003
Stilbene brightener
BAYER AG6 citations61
US6339117B2Jan 15, 2002
Whitened polymers and the use thereof in coating slips for coating substrates
BAYER AG2 citations61
US6248887B1Jun 19, 2001
Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivatives
BAYER AG4 citations60
US6387296B1May 14, 2002
Optically brightened plastics for optically brightening paper-coating compounds and paper-coating compounds optically brightened in this manner
BAYER AG1 citations51
US6432193B1Aug 13, 2002
Process for the continuous drowning of perylene melt
BAYER AG1 citations43
US6828455B2Dec 7, 2004
Preparation of styryl compounds
BAYER AG0 citations41
LANXESS DEUTSCHLAND GMBH
9 patentsUS9447263B2Sep 20, 2016
Rubber mixtures containing short-chain alkyl esters of glycerin
LANXESS DEUTSCHLAND GMBH12 citations83
US7255737B2Aug 14, 2007
Organic formulations of pigment
LANXESS DEUTSCHLAND GMBH11 citations82
US9637619B2May 2, 2017
Polysulfide mixtures, method for the production thereof, and use of the polysulfide mixtures in rubber mixtures
LANXESS DEUTSCHLAND GMBH2 citations71
US9249285B2Feb 2, 2016
Rubber blends containing silicic acid and comprising additives containing sulphur
LANXESS DEUTSCHLAND GMBH2 citations61
US10150853B2Dec 11, 2018
Diphenylguanidine-free rubber mixtures containing short-chain alkyl esters of glycerin
LANXESS DEUTSCHLAND GMBH1 citations51
US9493639B2Nov 15, 2016
Siliceous rubber mixtures containing omega-mercaptocarboxylic acid ester of polyvalent alcohols
LANXESS DEUTSCHLAND GMBH0 citations51
US7682444B2Mar 23, 2010
Process for preparing pigments
LANXESS DEUTSCHLAND GMBH1 citations51
US10907033B2Feb 2, 2021
Processing additive mixtures
LANXESS DEUTSCHLAND GMBH0 citations46
US9790352B2Oct 17, 2017
Rubber blends containing silicic acid and comprising additives containing sulphur
LANXESS DEUTSCHLAND GMBH0 citations40
FELDHUES ULRICH
4 patentsUS8323357B2Dec 4, 2012
Fluorine-substituted perylenes for colour filters in LCDS
FELDHUES ULRICH16 citations82
US8114558B2Feb 14, 2012
Organic pigments for colour filters
FELDHUES ULRICH0 citations50
US8512823B2Aug 20, 2013
Process for preparing metal compounds of an azo compound in the presence of seed crystals
FELDHUES ULRICH0 citations49
US8535870B2Sep 17, 2013
Organic pigments for colour filters
FELDHUES ULRICH0 citations46
WIEDEMEIER MELANIE
3 patentsUS9783658B2Oct 10, 2017
Rubber mixtures containing silicic acid and sulfur-containing additives
WIEDEMEIER MELANIE4 citations68
US9023926B2May 5, 2015
Method for producing rubber mixtures
WIEDEMEIER MELANIE1 citations48
US9758642B2Sep 12, 2017
Rubber mixtures containing silicic acid and sulfur-containing additives
WIEDEMEIER MELANIE0 citations47