Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1992-09-16
1994-01-11
Hoke, Veronica P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
524236, 524428, 528354, 528361, 549274, 562579, 562580, 562584, 562585, 562589, C08J 1116, C07C 5908
Patent
active
052782565
ABSTRACT:
The depolymerization of poly(hydroxyacids) in a liquid medium is enhanced by the presence of a quaternary ammonium compound. Poly(hydroxyacid) polymers containing a quaternary ammonium salt are more readily depolymerized.
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E. I. Du Pont de Nemours and Company
Hoke Veronica P.
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