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
2005-04-05
2005-04-05
Nutter, Nathan M. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S199000, C525S214000, C525S217000, C525S227000, C525S239000, C525S240000
Reexamination Certificate
active
06875814
ABSTRACT:
Extrusion processability of non-fluorinated melt-processable polymers is improved by introducing a fluoropolymer process aid by means whereby the weight average particle size of the fluoropolymer is greater than 2 microns as it reaches the extruder die entrance.
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Chapman, Jr. George Richard
Oriani Steven Richard
DuPont Dow Elastomers L.L.C.
Nutter Nathan M.
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