Malic acid polymers

Details Malic acid polymers Malic acid polymers

1979-11-09

1982-03-23

Michell, Robert W.

Surgery

Truss

Pad

A61F 1300

Patent

active

043207537

ABSTRACT:
A polymer containing repeating units of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, alkyl, aryl, aralkyl, substituted alkyl, substituted aryl, substituted aralkyl, R.sub.3 is hydrogen, alkyl or CH.sub.2n COOR.sub.8 where n is an integer of 0 to 10, R.sub.6 is OR or NR.sub.4 R.sub.5, wherein R and R.sub.8 are independently hydrogen or a group derived from a compound containing esterifiable hydroxyl groups, R.sub.4 and R.sub.5 are independently alkyl, aryl, aralkyl, substituted alkyl, substituted aryl, substituted aralkyl or together comprise an alkylene group.

REFERENCES:
patent: 3419006 (1968-12-01), King
patent: 3983095 (1976-09-01), Bashaw et al.

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