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1-oxa-2-oxo 3, 8-diaza spiro (4, 5) decanes
US 3,399,192 A
Filed
: 04/14/1965
Issued
: 08/27/1968
Est. Priority Date
: 04/22/1964
Status: Expired due to Term
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Current Assignee
Gilbert Regnier
,
Jean-Claude Le Douarec
,
Roger Canevari
Original Assignee
Gilbert Regnier
,
Jean-Claude Le Douarec
,
Roger Canevari
Inventors
Regnier, Gilbert
,
Canevari, Roger
,
LE DOUAREC JEAN-CLAUDE
Application Number
US04/447,952
Time in Patent Office
1,231 Days
Field of Search
US Class Current
546/19
CPC Class Codes
C07D 498/10
Spiro-condensed systems
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