Premanand Ramadass

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Charlotte, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Battery separator including microporous polyolefin membrane with ce...
- Patent number 11,532,854
- Issue date Dec 20, 2022
- Celgard, LLC
- Zhengming Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Separator membranes for lithium ion batteries and related methods
- Patent number 10,559,802
- Issue date Feb 11, 2020
- Celgard, LLC
- Zhengming Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multilayer separator exhibiting improved strength and stability
- Patent number 8,486,556
- Issue date Jul 16, 2013
- Celgard LLC
- Ronald W. Call
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
IMPROVED SEPARATOR MEMBRANES FOR LITHIUM-ION BATTERIES AND RELATED...
- Publication number 20230318141
- Publication date Oct 5, 2023
- Ceigard, LLC
- Zhengming Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEPARATOR MEMBRANES FOR LITHIUM ION BATTERIES AND RELATED METHODS
- Publication number 20200176744
- Publication date Jun 4, 2020
- Celgard LLC
- Zhengming Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEPARATOR MEMBRANES FOR LITHIUM ION BATTERIES AND RELATED METHODS
- Publication number 20140045033
- Publication date Feb 13, 2014
- Celgard LLC
- Zhengming Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTILAYER SEPARATOR EXHIBITING IMPROVED STRENGTH AND STABILITY
- Publication number 20100209758
- Publication date Aug 19, 2010
- Ronald W. Call
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Multilayer separator exhibiting improved strength and stability
- Publication number 20070238017
- Publication date Oct 11, 2007
- Celgard LLC
- Ronald W. Call
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL