Celgard, LLC

United States of America


 
Total IP 306
Total IP Rank # 4,210
IP Activity Score 3.1/5.0    226
IP Activity Rank # 3,096
Parent Entity Daramic, LLC
Dominant Nice Class Rubber and plastic; packing and ...

Patents

Trademarks

175 14
11 2
100 0
4
 
Last Patent 2025 - Microporous membranes, battery s...
First Patent 1985 - Process for preparing microporou...
Last Trademark 2025 - RESPIGARD PLUS
First Trademark 1969 - CELGARD

Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 G/S Microporous extruded plastic film and sheet, low friction polymer laminates, extruded plastic fil...
G/S Battery separator, battery
Invention Microporous membranes, battery separators, batteries, and devices having the same. A microporous...
Invention Microlayer membranes, improved battery separators, and methods of manufacture and use. In accord...
2024 Invention Membrane made of a blend of uhmw polyolefins. A membrane is a microporous sheet made of a blend ...
Invention Embossed microporous membrane battery separator materials and methods of manufacture and use ther...
Invention Biaxially oriented microporous membrane. A microporous membrane is made by a dry-stretch process...
Invention Ultra high melt temperature microporous high temperature battery separators and related methods. ...
Invention Electrically conductive, transparent, translucent, and/or reflective materials. In one aspect, m...
G/S Battery separators
Invention Improved membranes, calendered microporous membranes, battery separators, and related methods. N...
Invention Composite semi-solid electrolyte and batteries comprising the same. 2. A composite for forming a...
Invention Microlayer membranes, battery separators, batteries, and related methods. Described herein is a ...
Invention Base films for impregnation, improved impregnated products, and related methods. A novel or impr...
Invention Coated separators, lithium batteries, and related methods. New and/or improved coatings, layers ...
Invention Shutdown separators for battery systems. A battery separator is provided comprising a low tempera...
Invention Thin battery separators and methods. In accordance with at least selected aspects, objects or em...
Invention Additives for improved battery performance, improved additive-containing membranes, improved batt...
Invention Coatings, coated separators, batteries, and related methods. New and/or improved coatings for po...
Invention Composite semi-solid electrolyte and batteries comprising the same. A composite for forming an im...
2023 G/S Textile fabrics for use in making clothing and household furnishings; Textile fabrics for the man...
Invention Separators, batteries, systems, vehicles, and related methods. Improved battery separators, base ...
Invention Battery separators and related methods. Battery separators and methods are disclosed. The batter...
Invention Functionalized porous membranes and methods of manufacture and use. A functionalized microporous...
Invention Multilayer microporous separators for lithium ion secondary batteries and related methods. An imp...
Invention Microlayer membranes, improved battery separators, and methods of manufacture and use. In accorda...
Invention Low electrical resistance microporous battery separator membranes, separators, cells, batteries, ...
Invention Microporous membrane separators for lithium ion rechargeable batteries and related methods. The ...
Invention Surface modifying agents, modified materials and methods. The present invention relates to surfa...
Invention Absorption devices, materials, and methods. In one aspect, a device for absorbing a liquid is pro...
Invention Coatings with polytetrafluoroethylene particles for battery separators and coated battery separat...
Invention Coated battery separator comprising porous polymeric coating, and battery comprising the same. A ...
2022 Invention Improved separator membranes for lithium-ion batteries and related methods. A ceramic-coated bat...
Invention Two-side-coated battery separator and battery comprising the same. A two-side coated battery sep...
Invention Separator for electric storage device and electric storage device. [Problem] To provide a separa...
Invention Separator for electric storage device and electric storage device. To provide a separator for el...
Invention Battery separators and methods for testing the same. Disclosed herein are new or improved method...
Invention New or improved pin designs for high cof polymer membranes or separator membranes, membrane or se...
Invention Dry-process membrane for filtration. A dry-process microporous membrane for filtration, wherein ...
Invention Improved batteries, cells, components, and testing thereof. In one aspect, a method of measuring...
Invention Improved battery cells and components thereof. In one aspect, a battery separator comprises a mi...
Invention Heat dissipation separators for high energy batteries. A battery separator is provided comprisin...
Invention Heat absorption separators for high energy batteries. A battery separator is provided comprising...
Invention Membrane with reacted networks. Disclosed is a membrane with one or more dry-process porous laye...
Invention Wide microporous film. In one aspect, a wide microporous film comprises one or more layers compr...
Invention Separator for electric storage device and electric storage device. The present disclosure provid...
Invention Heat stabilized membrane. A dry-process porous membrane having an oxygen induction time (OIT) gr...
Invention Improved adhesive coating, coated membranes, coated battery separators, and related methods. A h...
2021 Invention Dry-process polyethylene membranes, coated membranes, separators, and related methods. This appl...
Invention Improved membranes with nanoparticle inorganic filler. A multilayer battery separator comprises ...
Invention Multilayer porous membrane with incompatible resins. A monolayer, bilayer, trilayer, or multilay...
Invention Ceramic cross-linked coating on a porous membrane and methods for making the same. A porous memb...
2020 Invention Safer batteries and separators for batteries; solutions on li-ion edv/ess battery safety; solutio...
2018 G/S Battery separator films; Battery separators
1985 G/S MICROPOROUS FILM AND HOLLOW FIBERS FOR SEPARATIONS APPLICATIONS USED IN THE MANUFACTURE OF ELECTR...
1982 G/S Man-made microporous fiber.
1972 G/S Plastic film and sheet.
1969 G/S PLASTIC FILM AND SHEET