METHOD FOR THE PRODUCTION OF POLYSULFONES, AND POLYSULFONES

United States of America Patent

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May 7, 2015
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May 3, 2013
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May 11, 2012

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Abstract

The present invention relates to an improved method for the production of polysulfones, in particular for the production of polyether sulfones (PESU) and polyphenylene sulfones (PPSU), the solvent being N-methylpyrrolidone (NMP) or/and N-ethylpyrrolidone (NEP).

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EMS-PATENT AG	7013 DOMAT / EMS

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C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....

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Inventor Name	Address	# of filed Patents	Total Citations
Gisler, René	Chur, CH	2	14
Kaplan, Andreas	Chur, CH	25	214
Liedloff, Hanns-Jörg	Domat/Ems, CH	3	53

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METHOD FOR THE PRODUCTION OF POLYSULFONES, AND POLYSULFONES

Number of patents in Portfolio can not be more than 2000

United States of America Patent

14397529

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14397529

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