NO921190L - LAKTON POLYMERIZATION CATALYZED BY YTTRIUM AND RARE EARTH COMPOUNDS - Google Patents

LAKTON POLYMERIZATION CATALYZED BY YTTRIUM AND RARE EARTH COMPOUNDS

Info

Publication number
NO921190L
NO921190L NO92921190A NO921190A NO921190L NO 921190 L NO921190 L NO 921190L NO 92921190 A NO92921190 A NO 92921190A NO 921190 A NO921190 A NO 921190A NO 921190 L NO921190 L NO 921190L
Authority
NO
Norway
Prior art keywords
lakton
yttrium
rare earth
earth compounds
polymerization catalyzed
Prior art date
Application number
NO92921190A
Other languages
Norwegian (no)
Other versions
NO921190D0 (en
Inventor
Stephan James Mclain
Neville Everton Drysdale
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 US07/414,964 external-priority patent/US5028667A/en
Application filed by Du Pont filed Critical Du Pont
Publication of NO921190D0 publication Critical patent/NO921190D0/en
Publication of NO921190L publication Critical patent/NO921190L/en

Links

NO92921190A 1989-09-29 1992-03-26 LAKTON POLYMERIZATION CATALYZED BY YTTRIUM AND RARE EARTH COMPOUNDS NO921190L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/414,964 US5028667A (en) 1989-09-29 1989-09-29 Yttrium and rare earth compounds catalyzed lactone polymerization
PCT/US1990/004951 WO1991005001A1 (en) 1989-09-29 1990-09-05 Yttrium and rare earth compounds catalyzed lactone polymerization

Publications (2)

Publication Number Publication Date
NO921190D0 NO921190D0 (en) 1992-03-26
NO921190L true NO921190L (en) 1992-03-26

Family

ID=26781639

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92921190A NO921190L (en) 1989-09-29 1992-03-26 LAKTON POLYMERIZATION CATALYZED BY YTTRIUM AND RARE EARTH COMPOUNDS

Country Status (1)

Country Link
NO (1) NO921190L (en)

Also Published As

Publication number Publication date
NO921190D0 (en) 1992-03-26

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