P

Inventor

YU WEI-CHING

US8 patents
⚠️ This page may combine multiple inventors who share the name “YU WEI-CHING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOECHST CELANESE CORP

3 patents
US5691077ANov 25, 1997

Shutdown, trilayer battery separator

HOECHST CELANESE CORP126 citations97
US5565281AOct 15, 1996

Shutdown, bilayer battery separator

HOECHST CELANESE CORP62 citations93
US5667911ASep 16, 1997

Methods of making cross-ply microporous membrane battery separator, and the battery separators made thereby

HOECHST CELANESE CORP72 citations91

CELGARD INC

3 patents
US6057060AMay 2, 2000

Ultra-thin, single-ply battery separator

CELGARD INC44 citations95
US6132654AOct 17, 2000

Ultra-thin, single-ply battery separator

CELGARD INC22 citations91
US6346350B1Feb 12, 2002

Structurally stable fusible battery separators and method of making same

CELGARD INC28 citations87

CELGARD LLC

1 patent
US5952120ASep 14, 1999

Method of making a trilayer battery separator

CELGARD LLC111 citations94

(unassigned)

1 patent
US6878226B2Apr 12, 2005

Continuous methods of making microporous battery separators

13 citations82