Assignee
CELGARD LLC
US·122 granted patents·73 pending applications·471 citations·filing 1996–2025
Top patents by PatentIndex Score
195 records- 0196US7662510B2X-ray sensitive battery separator and a method for detecting the position of a separator in a batteryCELGARD LLC·Filed 2007·Granted Feb 16, 2010·31 cites·9 claims
- 0295US10030157B2Electrically conductive, transparent, translucent, and/or reflective materialsCELGARD LLC·Filed 2015·Granted Jul 24, 2018·5 cites·20 claims
- 0394US8778055B2High pressure liquid degassing membrane contactors and methods of manufacturing and useCELGARD LLC·Filed 2013·Granted Jul 15, 2014·16 cites·20 claims
- 0494US2026058308A1Separator membranes for lithium ion batteries and related methodsCELGARD LLC·Filed 2025·Application pending·0 cites
- 0593US10720623B2Low electrical resistance microporous battery separator membranes, separators, cells, batteries, and related methodsCELGARD LLC·Filed 2019·Granted Jul 21, 2020·2 cites·20 claims
- 0693US10256447B2Low electrical resistance microporous battery separator membranes, separators, cells, batteries, and related methodsCELGARD LLC·Filed 2016·Granted Apr 9, 2019·3 cites·10 claims
- 0792US11731407B2Low electrical resistance microporous battery separator membranes, separators, cells, batteries, and related methodsCELGARD LLC·Filed 2021·Granted Aug 22, 2023·1 cites·18 claims
- 0892US10879514B2Polylactam coated separator membranes for lithium ion secondary batteries and related coating formulationsCELGARD LLC·Filed 2018·Granted Dec 29, 2020·4 cites·19 claims
- 0992US9985263B2Polylactam coated separator membranes for lithium ion secondary batteries and related coating formulationsCELGARD LLC·Filed 2015·Granted May 29, 2018·5 cites·16 claims
- 1091US2024409757A1Electrically conductive, transparent, translucent, and/or reflective materialsCELGARD LLC·Filed 2024·Application pending·0 cites
- 1191US2025074032A1Biaxially oriented microporous membraneCELGARD LLC·Filed 2024·Application pending·0 cites
- 1291US2025087832A1Embossed microporous membrane battery separator materials and methods of manufacture and use thereofCELGARD LLC·Filed 2024·Application pending·0 cites
- 1390US12246520B2Low electrical resistance microporous battery separator membranes, separators, cells, batteries, and related methodsCELGARD LLC·Filed 2023·Granted Mar 11, 2025·0 cites·17 claims
- 1490US5938922AContactor for degassing liquidsCELGARD LLC·Filed 1997·Granted Aug 17, 1999·105 cites·9 claims
- 1590US2024194956A1Thin battery separators and methodsCELGARD LLC·Filed 2024·Application pending·0 cites
- 1688US12263649B2Separators, batteries, systems, vehicles, and related methodsCELGARD LLC·Filed 2023·Granted Apr 1, 2025·0 cites·23 claims
- 1788US12218379B2Multilayer microporous separators for lithium ion secondary batteries and related methodsCELGARD LLC·Filed 2023·Granted Feb 4, 2025·0 cites·8 claims
- 1888US12100548B2Ultra high melt temperature microporous high temperature battery separators and related methodsCELGARD LLC·Filed 2020·Granted Sep 24, 2024·2 cites·16 claims
- 1988US11075429B2Low electrical resistance microporous battery separator membranes, separators, cells, batteries, and related methodsCELGARD LLC·Filed 2020·Granted Jul 27, 2021·1 cites·13 claims
- 2088US11056750B2Microlayer membranes, improved battery separators, and methods of manufacture and useCELGARD LLC·Filed 2016·Granted Jul 6, 2021·2 cites·13 claims
- 2188US10333125B2Multilayer microporous separators for lithium ion secondary batteries and related methodsCELGARD LLC·Filed 2015·Granted Jun 25, 2019·2 cites·8 claims
- 2288US9455432B2Multilayer hybrid battery separators for lithium ion secondary batteries and methods of making sameCELGARD LLC·Filed 2014·Granted Sep 27, 2016·4 cites·17 claims
- 2387US12191441B2Microlayer membranes, improved battery separators, and methods of manufacture and useCELGARD LLC·Filed 2023·Granted Jan 7, 2025·0 cites·6 claims
- 2487US5952120AMethod of making a trilayer battery separatorCELGARD LLC·Filed 1997·Granted Sep 14, 1999·111 cites·14 claims
- 2587US2024396097A1Improved membranes, calendered microporous membranes, battery separators, and related methodsCELGARD LLC·Filed 2024·Application pending·0 cites
- 2687US2025105340A1Membrane made of a blend of uhmw polyolefinsCELGARD LLC·Filed 2024·Application pending·0 cites
- 2786US11909006B2Thin battery separators and methodsCELGARD LLC·Filed 2023·Granted Feb 20, 2024·0 cites·21 claims
- 2886US11094995B2Membranes, separators, batteries, and methodsCELGARD LLC·Filed 2016·Granted Aug 17, 2021·2 cites·7 claims
- 2986US10741814B2Microporous 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 sameCELGARD LLC·Filed 2016·Granted Aug 11, 2020·2 cites·12 claims
- 3086US10240031B2Surface modifying agents, modified materials and methodsCELGARD LLC·Filed 2014·Granted Mar 26, 2019·2 cites·12 claims
- 3186US7790320B2Battery separator with Z-direction stabilityCELGARD LLC·Filed 2007·Granted Sep 7, 2010·8 cites·3 claims
- 3285US9790337B2Seam tape and methods of manufacture and use thereofCELGARD LLC·Filed 2015·Granted Oct 17, 2017·2 cites·26 claims
- 3385US7641795B2Membrane contactorCELGARD LLC·Filed 2006·Granted Jan 5, 2010·16 cites·26 claims
- 3485US2024234793A1Additives for improved battery performance, improved additive-containing membranes, improved battery separators, improved batteries, and related methodsCELGARD LLC·Filed 2024·Application pending·0 cites
- 3585US2025014840A1Ultra high melt temperature microporous high temperature battery separators and related methodsCELGARD LLC·Filed 2024·Application pending·0 cites
- 3684US2024199898A1Coatings, coated separators, batteries, and related methodsCELGARD LLC·Filed 2024·Application pending·0 cites
- 3783US12469931B2Battery separator including microporous polyolefin membrane with ceramic coatingCELGARD LLC·Filed 2022·Granted Nov 11, 2025·0 cites·23 claims
- 3883US11879070B2Coatings, coated separators, batteries, and related methodsCELGARD LLC·Filed 2022·Granted Jan 23, 2024·0 cites·28 claims
- 3983US11833763B2Separators, batteries, systems, vehicles, and related methodsCELGARD LLC·Filed 2022·Granted Dec 5, 2023·0 cites·10 claims
- 4083US2023017765A1Oxidation resistant separator for a batteryCELGARD LLC·Filed 2022·Application pending·0 cites
- 4183US2025329778A1Solid State Batteries, SSE Batteries, Lithium Metal Batteries with Solid State Electrolytes, HSSE, Separators, and/or Coatings, and/or Related MethodsCELGARD LLC·Filed 2025·Application pending·0 cites
- 4282US12473416B2Functionalized porous membranes and methods of manufacture and useCELGARD LLC·Filed 2023·Granted Nov 18, 2025·0 cites·29 claims
- 4382US12466119B2Microlayer membranes, improved battery separators, and related methodsCELGARD LLC·Filed 2022·Granted Nov 11, 2025·0 cites·12 claims
- 4482US11807733B2Functionalized porous membranes and methods of manufacture and useCELGARD LLC·Filed 2021·Granted Nov 7, 2023·0 cites·22 claims
- 4582US11725099B2Surface modifying agents, modified materials and methodsCELGARD LLC·Filed 2019·Granted Aug 15, 2023·1 cites·7 claims
- 4682US11532854B2Battery separator including microporous polyolefin membrane with ceramic coatingCELGARD LLC·Filed 2020·Granted Dec 20, 2022·1 cites·12 claims
- 4782US10601012B1Multilayer hybrid battery separators for lithium ion secondary batteries and methods of making sameCELGARD LLC·Filed 2016·Granted Mar 24, 2020·1 cites·22 claims
- 4882US8690994B2Liquid degassing membrane contactors, components, systems and related methodsCELGARD LLC·Filed 2013·Granted Apr 8, 2014·5 cites·16 claims
- 4982US2023383106A1Surface modifying agents, modified materials and methodsCELGARD LLC·Filed 2023·Application pending·0 cites
- 5082US2024274976A1Coated separators, lithium batteries, and related methodsCELGARD LLC·Filed 2024·Application pending·0 cites
Showing the top 50 of 195 patent records by PatentIndex Score.
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