Patent · US Expired

Formed, polymeric, tertiary or secondary organosiloxane amine compounds, methods of their preparation and use

US4954599A · kind A · utility

15Cited by
1References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 11, 1989
Grant dateSep 4, 1990
Priority date
Expiry dateJan 11, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G77/54
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Spherical, polymeric, tertiary or secondary organosiloxane amine compounds comprising: ##STR1## units in which R.sup.1 and R.sup.2 stand for a group: ##STR2## R.sup.4 is an alkylene grouping and the oxygen atoms are saturated by silicon atoms of other groups (II), with the optional inclusion of cross-linking agents, R.sup.3 is equal to R.sup.1 and R.sup.2 or stands for hydrogen, an alkyl, cycloalkyl or the benzyl group. Also disclosed is a method for the preparation of the compounds in spherical form and the use of these products for removing acids from liquids and gases as well as for the adsorption of gaseous organic compounds.

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