Inventor
WITTELER HELMUT
DE42 patents
⚠️ This page may combine multiple inventors who share the name “WITTELER HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF SE
16 patentsUS10323215B2Jun 18, 2019
Solid polymer composition obtained by polymerization of an acid group containing monomer in the presence of a polyether compound
BASF SE4 citations83
US7390847B2Jun 24, 2008
Polymer derivatives for the treatment of metals
BASF SE9 citations83
US7638469B2Dec 29, 2009
Methods of increasing permeability in carbonatic rock formations with alkanesulfonic acids
BASF SE11 citations82
US11077417B2Aug 3, 2021
Microcapsule comprising a polyester-urethane shell and a hydrophobic core material
BASF SE2 citations73
US10695734B2Jun 30, 2020
Microcapsule comprising a polyester-urethane shell and a hydrophilic core material
BASF SE2 citations73
US10344249B2Jul 9, 2019
Gel-like polymer composition obtained by polymerizing a monomer containing acid groups in the presence of a polyether compound
BASF SE2 citations72
US10647945B2May 12, 2020
Use of a gel-like polymer composition which can be obtained by polymerizing an acid group-containing monomer in the presence of a polyether compound in formulations for automatic dishwashing
BASF SE1 citations71
US7905964B2Mar 15, 2011
Method for the passivation of metal surfaces with compositions comprising polymers with acid groups and waxes
BASF SE3 citations61
US7879158B2Feb 1, 2011
Nitrogenous polymers for metal surface treatment
BASF SE5 citations61
US7749337B2Jul 6, 2010
Method for the passivation of metal surfaces with polymers containing acid groups
BASF SE4 citations60
US12024691B2Jul 2, 2024
Fabric care composition comprising hydrophobically modified polyalkyleneimine as dye fixative polymer
BASF SE0 citations53
US10655088B2May 19, 2020
Solid polymer composition obtained by polymerization of an acid group-containing monomer in the presence of a polyether compound
BASF SE0 citations51
US9481742B2Nov 1, 2016
Continuous process for the manufacture of highly-branched polymers
BASF SE1 citations48
US10167347B2Jan 1, 2019
Carboxylate ester of polysaccharide
BASF SE0 citations46
US8372216B2Feb 12, 2013
Continuous method for treating the surface of metal strips
BASF SE0 citations33
US10709645B2Jul 14, 2020
Microcapsules
BASF SE0 citations32
BASF AG
5 patentsUS6541032B1Apr 1, 2003
Use of finely divided dye-containing polymers PD as color-imparting constituent in cosmetic compositions
BASF AG44 citations91
US7655279B2Feb 2, 2010
Carboxylate-containing polymers for metal surface treatment
BASF AG14 citations82
US6733680B2May 11, 2004
Use of particulate polymers as filter aids for aqueous liquids
BASF AG6 citations72
US8048838B2Nov 1, 2011
MGDA-based powder mixture or granulate mixture
BASF AG5 citations63
US6380338B1Apr 30, 2002
Polymers for cosmetic formulations
BASF AG5 citations59
HOECHST RES & TECH GMBH & CO
3 patentsUS6197147B1Mar 6, 2001
Process for continuous production of membrane-electrode composites
HOECHST RES & TECH GMBH & CO146 citations98
US6096856AAug 1, 2000
Polymer electrolytes and process for their production
HOECHST RES & TECH GMBH & CO31 citations92
US6214891B1Apr 10, 2001
Process for producing a cation-exchanging polymer electrolyte membrane (PEM)
HOECHST RES & TECH GMBH & CO16 citations84