BE594819A
(en )
1961-03-07
Improvements in the production of adipic acid.
FR1304320A
(en )
1962-09-21
Improvements in the fabrication of alveolar structures
FR1241548A
(en )
1960-09-16
Improvements in hydrofluoric acid recovery
FR1264032A
(en )
1961-06-19
Cycloundecanecarboxylic acid
FR1336342A
(en )
1963-08-30
Improvements in the separation of acrylonitrile
BE609937A
(en )
1962-05-03
Improvements in hydrofluoric acid separation
FR1266886A
(en )
1961-07-17
Improvements in the production of adipic acid
FR1263533A
(en )
1961-06-09
Improvements in the production of world maps and similar articles
BE602731A
(en )
1961-10-18
Image removal
FR1222977A
(en )
1960-06-14
Hydrofluoric acid resistant alloy
BE585021A
(en )
1960-05-25
Improvement in obtaining hydrofluoric acid
FR1279438A
(en )
1961-12-22
Climbing evaporator
FR1261527A
(en )
1961-05-19
Improvements in chromic acid production
FR1181150A
(en )
1959-06-11
Improvement in the manufacture of phosphoric acid
FR1289009A
(en )
1962-03-30
Air separation
FR1152535A
(en )
1958-02-19
Improvement in the manufacture of nitric acid
FR1319062A
(en )
1963-02-22
Improvements in the manufacture of adipic acid
FR1248895A
(en )
1960-12-23
Improvements in the production of hydrocyanic acid
FR1436984A
(en )
1966-04-29
Improvements in the manufacture of hydrofluoric acid
FR1333339A
(en )
1963-07-26
Improvements in the production of peracetic acid
FR1259928A
(en )
1961-04-28
Improvements in the production of tetrachloropalladates
FR1272136A
(en )
1961-09-22
Improvements in the preparation of tertiary amines
FR80273E
(en )
1963-04-05
Improvements in the production of hydrocyanic acid
FR1263822A
(en )
1961-06-19
Further development in the manufacture of isophthalic acid diesters
BE604186A
(en )
1961-09-18
Improvements in the production of phosphonitrile fluorides