Process for highly purified polyhedral oligomeric...

Details Process for highly purified polyhedral oligomeric... Process for highly purified polyhedral oligomeric...

2005-12-07

2009-02-17

Peng, Kuo-Liang (Department: 1796)

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

Synthetic resins

From silicon reactant having at least one...

C528S034000

Reexamination Certificate

active

07491783

ABSTRACT:
A synthesis process for polyhedral oligomeric silsesquioxanes that produces in high yield a low resin content, solvent free, and trace metal free monomer suitable for use in microelectronic applications. POSS silanols are reacted with a silane coupling agent in the presence of a solvent and a superbase.

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patent: 6054548 (2000-04-01), Currie et al.
patent: 2003/0055193 (2003-03-01), Lichtenhan et al.
patent: WO/2004/040371 (2004-05-01), None

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