Patent · US Expired

1,7-disubstituted perylene-3,4,9,10-tetracarboxylic acids, their dianhydrides and diimides

US6184378A · kind A · utility

23Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 1999
Grant dateFeb 6, 2001
Priority date
Expiry dateSep 24, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K11/06
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A 1,7-disubstituted perylene-3,4,9,10-tetracarboxylic diimide of the general formula VI ##STR1## where PA1 X.sup.1 and X1 re independently bromine or --L--R, where PA2 L is 1,2-ethylene, 1,2-ethenylene or 1,2-ethynylene and PA2 R is hydrogen or C.sub.1 -C.sub.30 -alkyl whose carbon chain can be interrupted by one or more groups --O--, --S--, --NR.sup.3 --, --CO-- and/or --SO.sub.2 -- and/or which can be substituted one or more times by --COOR.sup.3, --SO.sub.3 R.sup.3, hydroxyl, cyano, C.sub.1 -C.sub.6 -alkoxy, C.sub.5 -C.sub.8 -cycloalkyl or aryl or by a 5- to 7-membered heterocyclic radical which is attached via a nitrogen atom and can include further heteroatoms and/or can be aromatic, R.sup.3 being hydrogen or C.sub.1 -C.sub.6 -alkyl.

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