"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
|5616696||Azo dyes having utility for ink jet printers|
A group of compounds comprising the reaction product of a hydroxy naphthylamine sulfonic acid with a diazotized compound comprising, an aromatic azo substituted Cleves Acid such that the diazotized compound is coupled with the hydroxy naphthylamine sulfon...
|5213614||Ink, ink jet recording process and recording apparatus using the same|
An ink comprising: water, a water soluble organic solvent, and a colorant represented by the following general formula (I): ##STR1## wherein Q1 is a substituted phenyl group; Q2 is a substituted or unsubstituted p-phenylene or a substituted or unsubs...
|4341701||Production of pigments|
A process for producing monoazo or disazo pigments, which process comprises: (a) adding to a solution of a diazonium and/or tetrazonium salt of an aromatic or heterocyclic amine a solution or suspension containing 0.1-50% by weight of the theoretically re...
|3983101||Water-soluble polyazo compound derived from 4-4-diaminobenzanilide|
Sulphonated azoic dyestuffs of the formula: ##SPC1## Are useful in dyeing cotton, other cellulosic fibers, natural and synthetic polyamide fibers and leather....