Polyesterionomers having utility in liquid electrographic developer compositions
US4252921A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1979 |
| Grant date | Feb 24, 1981 |
| Priority date | — |
| Expiry date | Oct 3, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/132
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyesterionomers having the structure ##STR1## wherein G.sup.1 represents a straight or branched chain alkylene having about 2 to 12 carbon atoms, or, substituted or unsubstituted cycloalkylene, cycloalkylenebis(oxyalkylene) or cycloalkylenedialkylene; PA0 G.sup.2 represents, substituted and unsubstituted, arylene, cycloalkylene or a straight or branched chain oxygen free alkylene having about 2 to 12 carbon atoms; PA0 R and Ar, which are always different, represent 1,1,3-trimethyl-3-phenylindan-5, 4'-diyl, or an unsaturated, substituted or unsubstituted alicyclic group having 7-10 carbon atoms or a substituted or unsubstituted moiety selected from the group consisting of alkylene, cycloalkylene, sulfonyldiarylene, arylene, arylenevinylene, arylenealkylene, arylenebisvinylene or arylenebisalkylene; PA0 A represents a sulfoarylene, sulfoaryloxyarylene, sulfocycloalkylene, iminodisulfonylarylene, iminobis(sulfonylarylene), sulfoaryloxysulfonylarylene and sulfoaralkylarylene or the alkali metal or ammonium salt thereof; PA0 said G.sup.1, G.sup.2, R and Ar substituents are selected from the group consisting of alkyl, alkoxy, nitro, carboxyl, halo and cyano; PA0 w is about 50 to about …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.