Polymer containing monomer units of chemically modified polyaspa

Details Polymer containing monomer units of chemically modified polyaspa Polymer containing monomer units of chemically modified polyaspa

1995-05-25

1996-11-05

Dodson, Shelley A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528499, 525419, 525420, C08G 6910

Patent

active

055718892

ABSTRACT:
A polymer containing the following monomer unit (I) and/or (II): ##STR1## and a process for preparing the polymer which comprises, in ring opening reaction of the polysuccinimide, opening the ring of polysuccinimide by using an amino acid ester having an extremely high reactivity in place of an .alpha.-amino acid having an extremely low reactivity. The polymer is characterized by having no irritation to organisms (e.g., eyes and skin), and for example, the polymer is useful in the industrial fields of fields of medical supplies, health, beauty and sanitary aids, quasi-pharmaceuticals, and the like.

REFERENCES:
patent: 5373086 (1994-12-01), Koskans et al.
M. De L. Machado et al, Water-Soluble Polyamides as Potential Drug Carriers, V, Applied Macromolecular Chemistry And Physics, 195, 1992. pp. 35-56.

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