TW221697B - - Google Patents

Info

Publication number
TW221697B
TW221697B TW81110495A TW81110495A TW221697B TW 221697 B TW221697 B TW 221697B TW 81110495 A TW81110495 A TW 81110495A TW 81110495 A TW81110495 A TW 81110495A TW 221697 B TW221697 B TW 221697B
Authority
TW
Taiwan
Application number
TW81110495A
Other languages
Chinese (zh)
Original Assignee
Du Pont
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/814,135 external-priority patent/US5208297A/en
Priority claimed from US07/995,457 external-priority patent/US5292859A/en
Application filed by Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of TW221697B publication Critical patent/TW221697B/zh

Links

TW81110495A 1991-12-30 1992-12-30 TW221697B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/814,135 US5208297A (en) 1991-12-30 1991-12-30 Rare earth metal coordination compounds as lactone polymerization catalysts
US07/995,457 US5292859A (en) 1992-12-22 1992-12-22 Rare earth metal coordination compounds as lactone polymerization catalysts

Publications (1)

Publication Number Publication Date
TW221697B true TW221697B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1994-03-11

Family

ID=27123817

Family Applications (1)

Application Number Title Priority Date Filing Date
TW81110495A TW221697B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-12-30 1992-12-30

Country Status (2)

Country Link
MX (1) MX9207631A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW221697B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
MX9207631A (es) 1994-05-31

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