Agent for coating solution preparation for making visualized image recording on lithographical printing plates,photoresist layers and information cards
DD211356A1
Method for producing azomethylidene heterocycles
DD211347A1
Process for preparing 6-formyl-1,1-dioxo-1,2-thiazinene
DD205900A1
Process for the preparation of 3-brommethyl-1, 1-dioxo-1,2-thiazines and their bromating products
DD204922A1
Process for the preparation of n-arylthio-imino-heterocycles
DD205903A1
Process for the preparation of 2- (2-dialkylammonio-alkyl) -cyclammonium salts
DD204938A1
Process for the production of cyanine dyes
DD205162A1
Process for preparing arylithium and aryleneole ethanocyclium salts
DD150954A1
Spectral sensitized light-sensitive material
DD148846A1
Electrodes for electrochemical cells
DD143085A1
Process for the preparation of 2-heterocyclidenamino-1,3-diaza-trimethincyanines
DD137157A1
Diazo negative material and reproduction process using this
