US Patent 7348396 Modified polyethylenephosphinic acids and their salts

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Patent Number

Patent Inventor Names

Norbert Weferling0

Werner Krause0

Hans-Peter Schmitz0

Martin Sicken0

Date of Patent

March 25, 2008

Patent Application Number

115404760

Date Filed

September 29, 2006

Patent Primary Examiner

Patent abstract

The invention relates to polymeric phosphinic acids and their salts of the formula (I)

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