Patent · US Expired

Chiral compounds

US6099751A · kind A · utility

11Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 18, 1998
Grant dateAug 8, 2000
Priority date
Expiry dateSep 18, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K19/38
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Chiral compounds of the formula I ##STR1## where: R.sup.1,R.sup.2,R.sup.3,R.sup.4 are hydrogen or aromatic, aliphatic or araliphatic radicals having 1 to 40 carbon atoms, PA1 R.sup.5,R.sup.6,R.sup.7,R.sup.8 are aromatic or aliphatic radicals having 1 to 20 carbon atoms, PA1 with the proviso that at least one of the radicals R.sup.1 to R.sup.8 contains a polymerizable group, PA1 are used as dopes in liquid crystals, in compositions for coating substrates and in the preparation of interference pigments which can be used in printing inks and surface coatings.

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