Patent · US Expired

Triamino- and fluoroalkyl-functional organosiloxanes

US6491838B1 · kind B1 · utility

41Cited by
8References
23Claims
0Family size

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Key dates

Filing dateNov 15, 2000
Grant dateDec 10, 2002
Priority date
Expiry dateNov 30, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C2222/20
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

An organosiloxane which has at least one triamino group of formula I:[NHx(CH2)aNHy(CH2)bNHz]—  (I)which is bonded to at least one silicon atom via at least one N-bonded alkylene group having 1 to 4 C atoms, a and b are identical or different and are each an integer ranging from 1 to 6, x is 0 or 1 or 2, y is 0 or 1, z is 0 or 1 or 2, with the proviso that (x+y+z)≦4, andat least one Si—C-bonded fluoroalkyl group of formula II:F3C(CF2)r(CH2)s—  (II) wherein r is 0 or an integer ranging from 1 to 18 and s is 0 or 2.

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