CH287140A
(en )
1952-11-30
Method of making insect repellants.
CH469769A
(en )
1969-03-15
Process for the preparation of polybenzoxazinediones
AT169422B
(en )
1951-11-10
Procedure for replacing dipped tree ceilings with solid ceilings
CH281721A
(en )
1952-03-31
Method of making embroidery.
CH341824A
(en )
1959-10-31
Process for the preparation of sulfur-containing organostannate compounds
AT175871B
(en )
1953-08-25
Process for the lightening of fibers
AT176434B
(en )
1953-10-26
Process for making margarine
AT172334B
(en )
1952-08-25
Process for the preparation of N-dialkylaminoalkylphenthiazines
AT177885B
(en )
1954-03-10
Method for obtaining antibioticis
AT173047B
(en )
1952-11-10
Process for the production of buildings
AT174442B
(en )
1953-03-25
Process for the desulphurization of gases
AT172339B
(en )
1952-08-25
Process for the preparation of γ-chlorobutyryl chloride
AT182197B
(en )
1955-06-10
Process for the preparation of stable solutions of chloramphenicol for injections
AT178425B
(en )
1954-05-10
Method for obtaining antibioticis
AT177768B
(en )
1954-03-10
Process for the production of unsaturated nitriles
AT171427B
(en )
1952-05-26
Process for preserving eggs
AT170055B
(en )
1952-01-10
Method of making scythes
AT171199B
(en )
1952-05-10
Process for the production of components
AT172677B
(en )
1952-10-10
Process for preserving eggs
AT180928B
(en )
1955-01-25
Process for the preparation of aminodiols
AT174603B
(en )
1953-04-25
Process for the preparation of 4-amino-N1-acylarylsulfonamides
AT184177B
(en )
1955-12-27
Process for the production of chloramphenicol
AT181492B
(en )
1955-03-25
Process for the production of semi-pulp
AT179290B
(en )
1954-08-10
Process for the production of octochlorocyclopentene
CH328260A
(en )
1958-02-28
Process for making steroid compounds