Superabsorbent thermoplastic composition and article...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Reexamination Certificate

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C156S060000, C156S297000, C156S327000, C156S332000, C156S334000, C427S208200, C427S195000, C427S374100, C427S374400, C427S385500, C428S317700, C428S319900, C428S327000, C428S332000, C428S343000, C428S500000, C428S521000, C428S523000, C523S205000, C523S206000, C524S500000, C524S502000, C524S505000, C524S525000, C604S327000, C604S354000, C604S356000, C604S358000, C604S365000, C604S366000, C604S372000, C604S385230

Reexamination Certificate

active

07994233

ABSTRACT:
A thermoplastic composition that includes from about 1% by weight to 25% by weight block copolymer having the formula (A-B)x or A-B-A, where the A block includes polyvinylarene, the B block includes poly(monoalkenyl) and x is an integer of at least one, spherical superabsorbent particles comprising polyacrylate, and plasticizing oil, the composition exhibiting water gel time of no greater than 2 minutes, a viscosity of no greater than 100,000 centipoise and a wet tensile strength of at least 15 g/in2.

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Sumitomo Seika, Super Absorbent Polymer Aqua Keep, Product Literature, Jan. 2000, 13 pages.

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