CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
CH281277A
(en )
1952-02-29
Process for the production of thyroxine.
CH274839A
(en )
1951-04-30
Process for the recovery of platinum.
CH280487A
(en )
1952-01-31
Process for purifying water.
AT176851B
(en )
1953-12-10
Process for the desulphurisation of raw ammonia water containing hydrogen sulphide
CH281721A
(en )
1952-03-31
Method of making embroidery.
AT164803B
(en )
1949-12-27
Process for the production of fertilizers
AT174442B
(en )
1953-03-25
Process for the desulphurization of gases
AT171430B
(en )
1952-05-26
Process for hardening synthetic resins
CH264601A
(en )
1949-10-31
Process for the preparation of hydroxylamine sulphate solutions.
CH283419A
(en )
1952-06-15
Process for the production of methane.
AT169814B
(en )
1951-12-27
Process for the production of strong gas from lean gas
AT169422B
(en )
1951-11-10
Procedure for replacing dipped tree ceilings with solid ceilings
CH296655A
(en )
1954-02-28
Process for the production of gases rich in sulfur dioxide.
AT168827B
(en )
1951-08-25
Process for the production of pencil leads
AT188028B
(en )
1956-12-27
Process for changing the structure of sulfur-containing scleroproteins
AT173707B
(en )
1953-01-26
Process for the production of calcium cyanamide
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
AT198234B
(en )
1958-06-25
Process for the purification of aqueous solutions of hydrogen peroxide
AT175878B
(en )
1953-08-25
Process for the catalytic hydrogenation of CO with water vapor
AT174141B
(en )
1953-02-25
Process for the production of Kulierwaren with cross deck patterns
AT169799B
(en )
1951-12-27
Process for the continuous separation of hydrogen sulfide from gases
AT171705B
(en )
1952-06-25
Method and device for the production of acetylene from calcium carbide and water with the simultaneous production of dry hydrated lime
AT169560B
(en )
1951-11-26
Process for the production of chlorine dioxide with a low chlorine content
AT169006B
(en )
1951-10-10
Process for the production of glass nibs with a metal tip