Acidic esters of oxypropylated pentamines

Claim 1

A HYDROPHILE SYNTHETIC PRODUCT WHICH IS THE ESTER OF (A) A POLYCARBOXY ACID WITH (B) A HIGH MOLAL OXYPROPYLATED MONOMERIC PENTAMINO COMPOUND WITH THE PROVISO THAT (A) THE MONOMERIC PENTAMINO COMPOUND BE FREE FROM ANY RADICAL HAVING AT LEAST 8 UNINTERRUPTED CARBON ATOMS AND BE COMPOSED OF ELEMENTS SELECTED FROM THE GROUP CONSISTING OF CARBON, HYDROGEN, OXYGEN AND NITROGEN; (B) THE MONOMERIC PENTAMINO COMPOUND HAVE A MOLECULAR WEIGHT OF NOT OVER 800 AND AT LEAST A PLURALITY OF REACTIVE HYDROGEN ATOMS; (C) THE OXYPROPYLATED MONOMERIC PENTAMINO COMPOUND HAVE A MOLECULAR WEIGHT OF 2500 TO 30.000 ON AN AVERAGE STATISTICAL BASIS; (D) THE RATIO OF PROPYLENE OXIDE PER INITIAL REACTIVE HYDROGEN ATOM OF THE MONOMERIC PENTAMINO COMPOUND BE WITHIN THE RANGE OF 7 TO 70; (E) THE MONOMERIC PENTAMINO COMPOUND REPRESENT NOT MORE THAN 20% BY WEIGHT OF THE OXYPROPYLATED MONOMERIC PENTAMINO COMPOUND ON A STATISTICAL BASIS; (F) THE PRECEDING PROVISOS BEING BASED ON THE ASSUMPTION OF COMPLETE REACTION BETWEEN THE PROPYLENE OXIDE AND THE MONOMERIC PENTAMINO COMPOUND; (G) THE NITROGEN ATOMS ARE LINKED BY ETHYLENE RADICALS; (H) THE RATIO OF POLYCARBOXY ACID TO OXYPROPYLATED MONOMERIC PENTAMINO COMPOUND BEING ONE MOLE OF THE FORMER FOR EACH REACTIVE HYDROGEN ATOM OF THE LATTER; AND (I) THE POLYCARBOXY ACIDS BE SELECTED FROM THE GROUP CONSISTING OF ACYCLIC AND ISOCYCLIC DICARBOXY AND TRICARBOXY ACIDS COMPOSED OF CARBON, HYDROGEN AND OXYGEN AND HAVING NOT MORE THAN 8 CARBON ATOMS.