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3-aryl-7-dialkylaminocoumarins
US 2,844,594 A
Filed
: 09/21/1955
Issued
: 07/22/1958
Est. Priority Date
: 09/21/1955
Status: Expired due to Term
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6
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First Claim
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6 Claims
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Current Assignee
Mario Scalera
,
Sidney Long Robert
Original Assignee
Mario Scalera
,
Sidney Long Robert
Inventors
SIDNEY LONG ROBERT
,
MARIO SCALERA
Application Number
US03/535,737
Time in Patent Office
1,035 Days
Field of Search
US Class Current
549/288
CPC Class Codes
C07D 311/16
substituted in position 7
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