Inventor
REINARTZ STEFAN
US28 patents
⚠️ This page may combine multiple inventors who share the name “REINARTZ STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CELGARD LLC
14 patentsUS10741814B2Aug 11, 2020
Microporous battery separators including polyolefin layer and non-woven layer with alkylbenzene sulfonic acid lithium salt surfactant, lithium batteries utilizing the same, and methods of manufacture of the same
CELGARD LLC2 citations72
US11658333B2May 23, 2023
Microporous battery separators including polyolefin layer and non-woven layer with alkylbenzene sulfonic acid lithium salt surfactant, lithium batteries utilizing the same, and methods of manufacture of the same
CELGARD LLC0 citations62
US12466119B2Nov 11, 2025
Microlayer membranes, improved battery separators, and related methods
CELGARD LLC0 citations61
US12370733B2Jul 29, 2025
Microlayer membranes, improved battery separators, and related methods
CELGARD LLC0 citations61
US11495865B2Nov 8, 2022
Microlayer membranes, improved battery separators, and related methods
CELGARD LLC0 citations61
US11923497B2Mar 5, 2024
Additives for improved battery performance, improved additive-containing membranes, improved battery separators, improved batteries, and related methods
CELGARD LLC0 citations60
US11165121B2Nov 2, 2021
Additives for improved battery performance, improved additive-containing membranes, improved battery separators, improved batteries, and related methods
CELGARD LLC0 citations60
US11879070B2Jan 23, 2024
Coatings, coated separators, batteries, and related methods
CELGARD LLC0 citations58
US11437684B2Sep 6, 2022
Coatings, coated separators, batteries, and related methods
CELGARD LLC0 citations58
US12548852B2Feb 10, 2026
Ceramic cross-linked coating on a porous membrane and methods for making the same
CELGARD LLC0 citations55
US11952475B2Apr 9, 2024
Base films for impregnation, improved impregnated products, and related methods
CELGARD LLC0 citations51
US12412956B2Sep 9, 2025
Battery separators, coated battery separators, batteries, and related methods
CELGARD LLC0 citations48
US11949124B2Apr 2, 2024
Coated separators, lithium batteries, and related methods
CELGARD LLC0 citations48
US11969929B2Apr 30, 2024
Microlayer membranes, battery separators, batteries, and related methods
CELGARD LLC0 citations47
DU PONT
12 patentsUS7166748B2Jan 23, 2007
Durable coating compositions containing novel aspartic amine compounds
DU PONT10 citations83
US7385077B1Jun 10, 2008
Fluoroalkyl surfactants
DU PONT16 citations82
US7449242B2Nov 11, 2008
Durable coating compositions containing novel aspartic amine compounds
DU PONT7 citations73
US7214828B2May 8, 2007
Durable coating compositions containing novel aspartic amine compounds
DU PONT7 citations73
US7427647B2Sep 23, 2008
Durable coating compositions containing aspartic amine compounds with improved potlife
DU PONT7 citations72
US7473658B2Jan 6, 2009
Partially fluorinated amino acid derivatives as gelling and surface active agents
DU PONT7 citations71
US7732018B2Jun 8, 2010
Durable coating compositions containing novel aspartic amine compounds
DU PONT3 citations62
US7682665B2Mar 23, 2010
Durable coating compositions containing novel aspartic amine compounds
DU PONT3 citations62
US8044239B2Oct 25, 2011
Partially fluorinated ureas and amides
DU PONT0 citations45
US7674499B2Mar 9, 2010
Durable coating compositions containing novel aspartic amine compounds
DU PONT0 citations41
US7608303B2Oct 27, 2009
Durable coating compositions containing aspartic amine compounds
DU PONT0 citations41
US7842626B2Nov 30, 2010
Partially fluorinated compositions and surface active agents
DU PONT0 citations40