Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2008-04-22
2008-04-22
Woodward, Ana (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S423000, C525S424000, C525S427000, C525S436000, C525S437000, C525S438000, C525S440030, C525S441000, C525S449000, C525S452000, C525S453000, C525S454000, C525S456000, C525S457000, C525S459000
Reexamination Certificate
active
07361715
ABSTRACT:
Star polymers prepared by reacting a highly branched polymer and either a lactone or lactam are disclosed. These star polymers find particular application as additives for powder coating compositions, to improve various performance properties thereof. Powder coating composition comprising the described star polymers are also disclosed.
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Ambrose Ronald R.
Kulfan Jackie L.
Kurtz Christopher P.
Retsch, Jr. William H.
Ziegler Michael J.
Meyers Diane R.
PPG Industries Ohio Inc.
Woodward Ana
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