Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2010-01-27
2010-06-01
Cheung, William K (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S083000, C526S084000, C526S085000
Reexamination Certificate
active
07728083
ABSTRACT:
Disclosed herein is a method for inhibiting and retarding the premature polymerization and the polymer growth of vinyl aromatic monomers wherein the method comprises adding to said monomers an effective amount of an inhibitor and retarder blend comprising:(A) at least one aromatic sulfonic acid;(B) at least one amine;(C) at least one nitrophenol; and(D) at least one member of the group consisting of nitroxy radical-containing compounds and nitrosoanilines.
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Abruscato Gerald J.
Benage Brigitte
Fabian Jesus R.
Kosover Vilan
Lippai Istvan
Chemtura Corporation
Cheung William K
Villamizar JoAnn
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