Patent · US Expired

(1,2-benzisothiazol-3-(2H)-ylidene 1,1-dioxide) acetate-terminated polymer charge-control agents for electrostatographic toners and developers

US5849450A · kind A · utility

3Cited by
9References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 14, 1997
Grant dateDec 15, 1998
Priority date
Expiry dateMar 14, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2810/40
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Novel (1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetate-terminated polymer charge-control agents are disclosed. They have the general structure (I): ##STR1## n can be as high as the number of hydroxyl groups in the polymer from which structure I is derived.

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