Patent · US Expired

Modifying POSS compounds

US6660823B1 · kind B1 · utility

26Cited by
1References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 14, 2000
Grant dateDec 9, 2003
Priority date
Expiry dateMar 28, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G77/38
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Method is provided for controlling the stereo chemistry of functionalities or X groups to exo or endo positions on a polyhedral oligomeric silsesquioxane (POSS) compound by adding certain reagents to said X groups to change one or more positions thereof to endo or exo. Also provided are the POSS species formed by the above inventive method. Method is also provided for inserting a ring substituent into a POSS compound. Also provided are the POSS species formed by such inventive method.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.