CH282754A
(en )
1952-05-15
Process for the direct production of positives.
CH269501A
(en )
1950-07-15
Process for the production of nitrogen oxide and device for carrying out the process.
CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
CH294364A
(en )
1953-11-15
Process for the direct production of positives.
CH271110A
(en )
1950-10-15
Process for destroying foam or preventing foam formation.
CH297486A
(en )
1954-03-31
Process for the thermal reduction of titanium or zirconium dioxide.
CH285805A
(en )
1952-09-30
Process for the manufacture of light-sensitive products.
CH280432A
(en )
1952-01-31
Process for the production of protein threads.
AT172150B
(en )
1952-08-11
Process for the temporary cold or heat treatment of consumer goods
CH286577A
(en )
1952-10-31
Fastening element intended for soldering and method of manufacturing the fastening element.
CH335916A
(en )
1959-01-31
Solution for treating metal surfaces
CH299378A
(en )
1954-06-15
Process for the production of copolymers of acrylonitrile.
CH289046A
(en )
1953-02-28
Process for the series production of items of clothing.
CH299374A
(en )
1954-06-15
Process for the preparation of solutions of acrylonitrile polymers.
CH295405A
(en )
1953-12-31
Process for the electrochemical treatment of metal objects.
CH284315A
(en )
1952-07-31
Process for the manufacture of ceramic products.
AT171709B
(en )
1952-06-25
Process for the preparation of oximes
CH280198A
(en )
1952-01-15
Process for the preparation of copolymers.
AT170998B
(en )
1952-04-10
Process for the production of thermally insulated containers
AT169458B
(en )
1951-11-26
Process for the production of cold permanent waving preparations
CH268326A
(en )
1950-05-15
Process for the breakdown of dl-tryptophan.
CH283770A
(en )
1952-06-30
Process for the manufacture of detergents.
CH297873A
(en )
1954-04-15
Process for the direct production of positives.
AT172334B
(en )
1952-08-25
Process for the preparation of N-dialkylaminoalkylphenthiazines
CH266272A
(en )
1950-01-15
Process for influencing the temperature in aircraft spaces.