Patent ID: 9421299
Filing Date: 2016-08-23
CPC Classification: A61L,C08G,C09J

Claim Text:
1. A medical adhesive comprising a hydrophilic urethane prepolymer (UP) obtained by reacting a polyisocyanate component (A) comprising a fluorine-containing non-aromatic polyisocyanate compound (A1) as an essential ingredient and a polyol component (B) comprising a hydrophilic polyol (B1) as an essential ingredient, wherein a chlorine content derived from a chlorine-containing organic compound is 0.0002 wt % or more and 0.005 wt % or less based on the weight of the hydrophilic urethane prepolymer (UP), and wherein the chlorine content derived from the chlorine-containing organic compound is a sum of chlorine contents derived from the following compounds (1) to (14), a reaction product between compound (1) and (B), a reaction product between compound (2) and (B), a reaction product between compound (7) and (B) and a reaction product between compound (8) and (B): Compound (1): A compound represented by the following general formula (I): wherein n represents an integer of 1 to 20; Compound (2): A compound represented by the following general formula (II): wherein n represents an integer of 1 to 20; Compound (3): A compound represented by the following general formula (III): wherein n represents an integer of 1 to 20; Compound (4): A compound represented by the following general formula (IV): wherein n represents an integer of 1 to 20; Compound (5): A compound represented by the following general formula (V): Compound (6): A compound represented by the following general formula (VI): Compound (7): A compound represented by the following general formula (VII): wherein n represents an integer of 1 to 22; Compound (8): A compound represented by the following general formula (VIII): wherein n represents an integer of 1 to 22; Compound (9): A compound represented by the following general formula (IX): wherein n represents an integer of 1 to 22; Compound (10): A compound represented by the following general formula (X): wherein n represents an integer of 1 to 22; Compound (11): A compound represented by the following general formula (XI): Compound (12): A compound represented by the following general formula (XII): Compound (13): A compound represented by the following general formula (XIII) and Compound (14): A compound represented by the following general formula (XIV):