CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
AT172882B
(en )
1952-10-25
Process for the production of chipboard or shaped pieces
CH293694A
(en )
1953-10-15
Process for the continuous production of alkyl monochlorides.
AT173232B
(en )
1952-11-25
Process for the distillation of tar, tar products or petroleum
FR996851A
(en )
1951-12-27
Petroleum product refining process
AT173234B
(en )
1952-11-25
Process for the distillation of tar and tar products
AT173705B
(en )
1953-01-26
Process for the multi-stage, continuous distillation of tar, especially coal tar
FR1076829A
(en )
1954-10-29
Process for treating petroleum distillation products
CH280725A
(en )
1952-01-31
Process for the production of an intermediate product.
AT171153B
(en )
1952-05-10
Process for distilling or condensing vapors
AT170998B
(en )
1952-04-10
Process for the production of thermally insulated containers
AT192418B
(en )
1957-10-25
Process for the continuous fractionation of coal tar
FR1029469A
(en )
1953-06-03
Process for the distillation of tar, tar products and petroleum
FR1264615A
(en )
1961-06-23
Petroleum distillation products blowing process
CH283419A
(en )
1952-06-15
Process for the production of methane.
CA456616A
(en )
1949-05-10
Distillation process
FR64865E
(en )
1955-12-14
Petroleum product refining process
AT174919B
(en )
1953-05-26
Process for the production of morpholines
AT175002B
(en )
1953-05-26
Process for the aromatization of liquid hydrocarbons
AT175332B
(en )
1953-06-25
Process for the production of condensation products with a tanning effect
AT168270B
(en )
1951-05-10
Process for the production of caustic magnesia or products containing caustic magnesia
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
AT178203B
(en )
1954-04-26
Process for the production of hardboard
FR1018039A
(en )
1952-12-24
Retort distillation process for fluidized shales
AT169505B
(en )
1951-11-26
Process for the production of cutter bar fingers