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Phosphoric acid esters
US 1,944,530 A
Filed
: 04/08/1930
Issued
: 01/23/1934
Est. Priority Date
: 04/08/1929
Status: Expired due to Term
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Current Assignee
Curt Schonburg
Original Assignee
Curt Schonburg
Inventors
CURT SCHONBURG
Application Number
US02/442,689
Time in Patent Office
1,386 Days
Field of Search
US Class Current
558/92
CPC Class Codes
C07F 9/091
with hydroxyalkyl compounds...
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