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GB737700A
|
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New colour couplers for use in colour photography
|
|
GB686391A
|
|
New dyestuffs
|
|
GB691102A
|
|
Photographic silver halide emulsions containing dyestuff intermediates
|
|
GB633478A
|
|
Manufacture of new dyestuffs of the phthalocyanine series
|
|
GB589118A
|
|
New phthalocyanine derivatives
|
|
GB587636A
|
|
New water-soluble phthalocyanine derivatives
|
|
GB586340A
|
|
Phthalocyanine derivaties
|
|
GB576270A
|
|
New yellow azo dyestuffs
|
|
GB576234A
|
|
New yellow azo dyestuffs
|
|
GB569200A
|
|
Phthalocyanine derivatives
|
|
GB566740A
|
|
Manufacture of sulphur-containing dyestuffs
|
|
GB566741A
|
|
Manufacture of sulphur-containing dyestuffs
|
|
GB550021A
|
|
Manufacture of dyestuffs and intermediates therefor
|
|
GB549532A
|
|
Manufacture of dyestuffs and intermediates therefor
|
|
GB547853A
|
|
New perylene derivatives
|
|
GB544953A
|
|
Manufacture of dyestuffs
|
|
GB541146A
|
|
Manufacture of dyestuffs and intermediates therefor
|
|
GB530881A
|
|
Manufacturing of colouring matters of the phthalocyanine series
|
|
GB529847A
|
|
Substituted phthalocyanines
|
|
GB520415A
|
|
New colouring matters
|
