Patent · US Expired

Processes for producing polysiloxanes and photoresist compositions comprising same

US7008750B2 · kind B2 · utility

1Cited by
16References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 2003
Grant dateMar 7, 2006
Priority date
Expiry dateJul 11, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/108
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

New methods are provided for synthesis of polysiloxanes (silsesquioxanes) and photoresists comprising same. Synthetic methods of the invention include use of a polymerization templating reagent that has multiple reactive nitrogen groups, particularly a diamine reagent.

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