Inventor
SCHIEFERSTEIN LUDWIG
DE27 patents
⚠️ This page may combine multiple inventors who share the name “SCHIEFERSTEIN LUDWIG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HENKEL KGAA
23 patentsUS4814101AMar 21, 1989
Zwitterionic polymers and their use in hair treatment preparations
HENKEL KGAA98 citations96
US4784789ANov 15, 1988
Liquid aqueous cleaning preparations for hard surfaces
HENKEL KGAA80 citations96
US6251849B1Jun 26, 2001
Cleaning agent for hard surfaces based on cationic polymer soil-release compounds
HENKEL KGAA82 citations94
US6025314AFeb 15, 2000
Clear-rinsing agents with cationic polymers
HENKEL KGAA34 citations92
US5500475AMar 19, 1996
Polyurethane-based thickeners
HENKEL KGAA24 citations92
US4685931AAug 11, 1987
Acrylate dispersion and its use for thickening hydrogen peroxide preparations
HENKEL KGAA29 citations92
US6365234B1Apr 2, 2002
Polymerizable, chromium-free, organic coatings for metal
HENKEL KGAA7 citations73
US5863461AJan 26, 1999
Water-in-oil emulsions
HENKEL KGAA13 citations73
US5286346AFeb 15, 1994
Deinking of wastepaper with quaternized hydroxyethyl cellulose
HENKEL KGAA7 citations73
US5006621AApr 9, 1991
Co-polymers of long chain alkyl acrylates with N-containing olefins and their use as flow improvers for crude oils
HENKEL KGAA9 citations73
US6126921AOct 3, 2000
Hair treatment formulations containing a water-insoluble polymer having a glass transition temperature of -20° C. to 70° C.
HENKEL KGAA11 citations72
US5959013ASep 28, 1999
Production of thickening agents in liquid state
HENKEL KGAA8 citations72
US5501707AMar 26, 1996
Aqueous dispersions of new amphiphilic co-oligomers for the washing- and cleaning-resistant oiling of leather and skins and their use
HENKEL KGAA12 citations72
US5358988AOct 25, 1994
Water-in-oil emulsions
HENKEL KGAA11 citations72
US4772289ASep 20, 1988
Primer for leather finishes
HENKEL KGAA11 citations72
US4618582AOct 21, 1986
Process for producing Xanthomonas biopolymers
HENKEL KGAA9 citations72
US4859721AAug 22, 1989
Adducts of carboxylic acids and isocyanates with epoxides, aqueous dispersions containing these adducts, processes for their preparation and their use in the autophoretic coating of metallic surfaces
HENKEL KGAA16 citations71
US5610242AMar 11, 1997
Process for modifying polymers
HENKEL KGAA3 citations62
US5238533AAug 24, 1993
Flotation process for removing fillers from wastepaper in the presence of polymers and copolymers
HENKEL KGAA4 citations62
US4650602AMar 17, 1987
Block-copolymeric polyglycol ethers as solution promoters for oil-soluble perfume oils
HENKEL KGAA4 citations62
US4946471AAug 7, 1990
Adhesion promoter for leather finishing
HENKEL KGAA4 citations60
US5932629AAug 3, 1999
Anion-based aqueous printing inks with improved deinkability
HENKEL KGAA4 citations58
US6180705B1Jan 30, 2001
Polyacrylamide with low molecular weight
HENKEL KGAA5 citations57