Patent · US Expired

Blocked phenolic silanes

US6413646B1 · kind B1 · utility

2Cited by
10References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 29, 1999
Grant dateJul 2, 2002
Priority date
Expiry dateJul 29, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/8305
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention is directed to acyl and carbonate blocked phenolic silanes of the general structural formula is:(RIC(═O)O)yC6RII6−y−z[CxH2xSi(ORIII)3−a(RIV)a]zwhere RI is H, CH3 or RVO; RII is H or RVO; RIII is alkyl, phenyl or acyl from 1 to 6 carbon atoms; RIV is hydrogen, alkyl or phenyl from 1 to 6 carbon atoms; RV is a linear or branched alkyl group from 1 to 4 carbon atoms; y is an integer from 1 to 3; z is an integer from 1 to 3; x is an integer from 2 to 6 and a is an integer from 0 to 2.

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