Making polysulfonamides from bissulfonyl chloride and diamine salt in presence of water and waterimmiscible solvent

Claim 1

PROCESS FOR THE PRODUCTION OF POLYSULFONAMIDES, WHICH COMPRISES AGITATING AN AQUEOUS SOLUTION OF AN ACID SALT OF A DIAMINE, CONTAINING FREE AMINO HYDROGEN ON EACH OF THE AMINO NITROGENS AND HAVING NOT LESS THAN TWO CARBON ATOMS IN A CHAIN SEPARATING THE AMINO NITROGENS, WITH A SOLUTION OF A BIS-SULFONYL CHLORIDE, CONTAINING NOT LESS THAN TWO CARBON ATOMS IN A CHAIN SEPARATING THE SULFONYL CHLORIDE GROUPS, IS A WATERIMMISCIBLE ORGANIC SOLVENT, SAID SOLUTIONS BEING FREE FROM OTHER POLYMERIZABLE MATERIALS, CONTINUING THE AGITATION WHILE ADDING AN ALKALINE NEUTRALIZING AGENT TO THE EMULSION TO NEUTRALIZE THE DIAMINE ACID SALT AND RELEASE THE FREE DIAMINE, AND SEPARATING A POLYSULFONAMIDE FROM THE LIQUID PHASE.