Process for making derivatized polymers of maleic anhydride cont

Details Process for making derivatized polymers of maleic anhydride cont Process for making derivatized polymers of maleic anhydride cont

1997-04-25

1999-02-09

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548546, 548547, C10M13316, C07D20740

Patent

active

058696954

ABSTRACT:
A process for making derivatized polymers of maleic anhydride containing maleamic acid and its corresponding cyclic imide repeat units, in alcohol solution, at a temperature of about 60.degree.-160.degree. C., during a reaction period of about 1-25 hours. The product is a polymer having a predetermined ratio of the above repeat units.

REFERENCES:
patent: 2262262 (1941-11-01), Speer
patent: 4839072 (1989-06-01), Gutierrez et al.
patent: 4841069 (1989-06-01), Olsen
patent: 5554768 (1996-09-01), Donges et al.

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