Novel compositions based on indanthrone blue pigments
A composition comprising(a) an indanthrone blue pigment of formula I ##STR1## and (b) a sulfonated indanthrone blue derivative of formula II ##STR2## wherein X.sup.⊕ is H.sup.⊕ or a group of the formula M.sup.n⊕ /n or N...
F Babler，EE Jaffe，B Medinger - US
Varnishes
When used in varnishes, pigment mixtures of this kind are distinguished in particular by increased color strength, improved rheology and high gloss.
F Babler，EE Jaffe，B Medinger - US
Manufacture of sulphuric estersalts of leuco quinones
18 Ciawn This invention relates to an improved proce of preparing sulphuric ester salts of leuco qi nones, especialy leuco vat dyestuffs, and mo Particularly the invention deals with the use sulphur trioxide compounds of a certain class ...
HZ Lecher，S Mario，CT Lester - US
Manufacture of sulphuric estersalts of leuco quinones
18 Ciawn This invention relates to an improved proce of preparing sulphuric ester salts of leuco qi nones, especialy leuco vat dyestuffs, and mo Particularly the invention deals with the use sulphur trioxide compounds of a certain class ...
LECHER HANS Z.，LESTER CHARLES T.，SCALERA MARIO
Inner salts based on ammonium and sulfonate groups of perylene-3, 4,9,10- tetracarboxylic and derivatives thereof
Perylenetetracarboxylic diimides which contain a radical in the same molecule on one imide nitrogen which acts as an anion but contain a radical on the other imide nitrogen which acts as a cation, and on this basis form inner salts, are ...
E Dietz，M Urban - US
Pigments
Perylenetetracarboxylic diimides which contain a radical in the same molecule on one imide nitrogen which acts as an anion but contain a radical on the other imide nitrogen which acts as a cation, and on this basis form inner salts, are ...
E Dietz，M Urban - US
Preparation of dyestuffs of the
Perylenetetracarboxylic diimides which contain a radical in the same molecule on one imide nitrogen which acts as an anion but contain a radical on the other imide nitrogen which acts as a cation, and on this basis form inner salts, are ...
HZ Lecher
Preparation of sulfuric acid half esters of leuco vat dyes
Perylenetetracarboxylic diimides which contain a radical in the same molecule on one imide nitrogen which acts as an anion but contain a radical on the other imide nitrogen which acts as a cation, and on this basis form inner salts, are ...
HARDY WILLIAM BAPTIST - US
Benzoxanthene and benzothioxanthene dyestuffs and process for their manufacture
Valuable benzoxanthene and benzothioxanthene dyestuffs of the general formula ##SPC1## In which X represents an oxygen or sulfur atom, Y represents ##SPC2## Groups, wherein R stands for a hydrogen atom or an alkyl, cycloalkyl or aryl gro...
T Helmut - US
Stilbene dyes and films or sheets containing the same
Dyes which, in the form of the free acid, correspond to the formula ![]()
in which X and Y have the meanings given in the description, and light-polarising films or sheets containing an organic polymer, preferably a vinyl alcohol homo-...
CLAUSSEN UWE DR.，KROCK FRIEDRICH W. DR. - EP
