241 |
|
CH1039679 |
1979-11-21 |
CH649669GA3 |
1985-06-14 |
|
|
242 |
|
IT1944577 |
1977-01-19 |
IT1079563B |
1985-05-13 |
|
|
243 |
|
IT1900277 |
1977-01-03 |
IT1078365B |
1985-05-08 |
|
|
244 |
DE2733178C2 - |
DE2733178 |
1977-07-22 |
DE2733178C2 |
1985-04-25 |
NEEB, RUDOLF, DIPL.-CHEM. DR., 6053 OBERTSHAUSEN, DE; MOHR, REINHARD, DIPL.-CHEM. DR., 6050 OFFENBACH, DE |
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245 |
|
IT2984276 |
1976-11-26 |
IT1070433B |
1985-03-29 |
|
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246 |
ORGANIC COMPOUNDS |
ZA832675 |
1983-04-15 |
ZA832675B |
1984-11-28 |
GREVE MANFRED; MOSER HELMUT; PEDRAZZI REINHARD; WALD ROLAND |
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247 |
VERFAHREN ZUR HERSTELLUNG VON CHLORZINKSALZEN VON THIAZOLIUMAZOFARBSTOFFEN. |
CH826179 |
1979-09-12 |
CH645663A5 |
1984-10-15 |
NEEB RUDOLF DR; HOHMANN KURT; MOHR REINHARD DR |
|
248 |
PROCESS FOR THE PREPARATION OF CATIONIC DYESTUFFS |
DE3067749 |
1980-07-18 |
DE3067749D1 |
1984-06-14 |
RAUE RODERICH DR; GIESECKE HEINZ DR |
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249 |
PROCESS FOR THE MANUFACTURE OF CATIONIC AZODYE SOLUTIONS |
DE3260068 |
1982-01-07 |
DE3260068D1 |
1984-04-26 |
LINHART KARL DR; GLEINIG HARALD DR; BOEHMKE GUNTER DR |
|
250 |
PROCESS FOR THE MANUFACTURE OF SOLUTIONS OF CATIONIC AZO DYESTUFFS |
DE3162374 |
1981-08-05 |
DE3162374D1 |
1984-03-29 |
LINHART KARL DR; GLEINIG HARALD DR; BOEHMKE GUNTHER DR; BREIG KURT DR |
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251 |
|
BR8301953 |
1983-04-15 |
BR8301953A |
1983-12-20 |
GREVE MANFRED; MOSER HELMUT; PEDRAZZI REINHARD; WALD ROLAND |
|
252 |
FR2398093B1 - |
FR7821806 |
1978-07-24 |
FR2398093B1 |
1983-07-29 |
|
|
253 |
CATIONIC AZO DYESTUFFS |
GB7939897 |
1979-11-19 |
GB2037798B |
1983-02-09 |
|
|
254 |
PROCESS FOR THE PREPARATION OF THIAZOLIUM AZO COMPOUNDS ANN CHLOROZINCATE SALTS THEREOF |
GB7931981 |
1979-09-14 |
GB2031009B |
1982-12-01 |
|
|
255 |
A process for the preparation of solutions of cationic azo dyes |
DE3101140 |
1981-01-16 |
DE3101140A1 |
1982-09-02 |
LINHART KARL DR; GLEINIG HARALD DR; BOEHMKE GUENTHER DR |
|
256 |
A process for dyeing fibrous material of wet spun acrylonitrile polymers in the gel state |
DE3026948 |
1980-07-16 |
DE3026948A1 |
1982-02-11 |
HAEHNKE MANFRED DIPL CHEM DR; MOHR REINHARD DIPL CHEM DR; HOHMANN KURT |
|
257 |
PROCESS FOR THE PREPARATION OF BENZOTHIAZOLIUM AZO COMPOUNDS AND CHLOROZINCATE SALTS THEREOF |
GB7830676 |
1978-07-21 |
GB2001666B |
1982-02-10 |
|
|
258 |
|
IT2061876 |
1976-02-26 |
IT1055915B |
1982-01-11 |
|
|
259 |
A process for the production of cationic dyes |
DE3013273 |
1980-04-05 |
DE3013273A1 |
1981-10-08 |
GLEINIG HARALD DR; BERGER-LOHR BERND DR; BREIG KURT DR |
|
260 |
PROCEDIMIENTO PARA LA OBTENCION DE COLORANTES CATIONICOS DE HIDRAZONA |
ES493959 |
1980-08-01 |
ES8105364A1 |
1981-05-16 |
|
PROCEDIMIENTO DE OBTENCION DE COLORANTES CATIONICOS DE HIDRAZONA. CONSISTE EN HACER REACCIONAR BASES AZOICAS DE FORMULA GENERAL I CON DIMETILSULFONATO EN UNA MEZCLA DE AGUA Y EN UN DISOLVENTE ORGANICO, EN PRESENCIA DE UN ACEPTOR DE ACIDO, EMPLEANDOSE COMO DISOLVENTE ORGANICO UN HIDROCARBURO CLORADO AROMATICO O ALIFATICO. LA REACCION SE EFECTUA A UNA TEMPERATURA COMPRENDIDA ENTRE 10 Y 60GC, EMPLEANDO UN EXCESO DE 5-90 POR 100 DE DIMETILSULFONATO Y DESARROLLANDO LA REACCION A UN PH COMPRENDIDO ENTRE 5 Y 10. COMO HIDROCARBURO CLORADO SE EMPLEA 1,2-DICLOROPROPANO. COMO MEDIO ACEPTOR DE ACIDO SE EMPLEA HIDROXIDO SODICO, UTILIZANDO UN DISPOSITIVO DOSIFICADOR REGULADO POR EL PH. *FORMULA* |