Patent · US Expired

Preparation of diorganopolysiloxylated diamines

US4948858A · kind A · utility

2Cited by
3References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 24, 1988
Grant dateAug 14, 1990
Priority date
Expiry dateFeb 24, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G77/388
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The alpha, omega-bis (aminophenoxyalkyl)diorganopolysiloxanes having the following general formula (I): ##STR1## are improvedly prepared, with essentially 100% selectivity, by direct hydrosilylation, in bulk, between an alkyloxyaniline and an alpha, omega-bis(hydrogeno) diorganopolysiloxane.

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