Inventor
ZHANG YUNCHANG
US23 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG YUNCHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BE INTELLECTUAL PTY INC
13 patentsUS6866794B1Mar 15, 2005
Strontium peroxide catalyzed oxygen generating compositions
BE INTELLECTUAL PTY INC24 citations92
US6030583AFeb 29, 2000
Oxygen generating compositions
BE INTELLECTUAL PTY INC18 citations92
US6007736ADec 28, 1999
Oxygen generating compositions catalyzed by copper and nickel oxides
BE INTELLECTUAL PTY INC28 citations92
US6352652B2Mar 5, 2002
Low temperature sensitivity oxygen generating compositions
BE INTELLECTUAL PTY INC5 citations74
US6264896B1Jul 24, 2001
Oxygen generating compositions
BE INTELLECTUAL PTY INC7 citations74
US6126854AOct 3, 2000
Oxygen generating compositions
BE INTELLECTUAL PTY INC7 citations74
US6054067AApr 25, 2000
Low temperature sensitivity oxygen generating compositions
BE INTELLECTUAL PTY INC6 citations74
US6193907B1Feb 27, 2001
Oxygen generating formulation with high structural integrity
BE INTELLECTUAL PTY INC12 citations73
US6464757B2Oct 15, 2002
Filter for chemical oxygen generators
BE INTELLECTUAL PTY INC10 citations72
US6231816B1May 15, 2001
Low temperature sensitivity oxygen generating compositions
BE INTELLECTUAL PTY INC2 citations63
USRE36199EApr 27, 1999
Chemical oxygen generator
BE INTELLECTUAL PTY INC4 citations63
US6296689B1Oct 2, 2001
Filter for chemical oxygen generators
BE INTELLECTUAL PTY INC1 citations61
US6071329AJun 6, 2000
Filter for chemical oxygen generators
BE INTELLECTUAL PTY INC3 citations61
PURITAN BENNETT CORP
4 patentsUS5338516AAug 16, 1994
Chemical oxygen generator
PURITAN BENNETT CORP43 citations96
US5298187AMar 29, 1994
Non-toxic chemical oxygen generating compositions
PURITAN BENNETT CORP30 citations92
US5198147AMar 30, 1993
Chemical oxygen generator
PURITAN BENNETT CORP36 citations92
US5279761AJan 18, 1994
Chemical oxygen generating compositions containing LI202
PURITAN BENNETT CORP19 citations74