Low density polymer beads

Details Low density polymer beads Low density polymer beads

2008-04-22

2008-04-22

Zemel, Irina S (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

C521S061000, C521S064000, C521S134000, C521S142000, C521S144000, C521S149000, C526S304000, C526S307000, C526S319000, C526S321000

Reexamination Certificate

active

07361693

ABSTRACT:
Low density polymeric beads made by polymerizing monomeric building blocks into large crosslinked polymer molecules in porous, spherical bead form by droplet or suspension polymerization in the presence of a porogen.

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