CH83598A
(en )
1919-12-16
Process for the production of a cement for dental purposes
CH79130A
(en )
1918-10-01
Process for the production of a tanning agent
CH78282A
(en )
1918-07-01
Process for the production of a tanning agent
CH78797A
(en )
1918-09-02
Process for the production of a tanning agent
CH79015A
(en )
1918-10-01
Process for the production of a tanning agent
CH82702A
(en )
1919-10-16
Process for the production of a disinfectant
CH80665A
(en )
1919-09-01
Process for the production of an artificial stone
CH79494A
(en )
1918-12-02
Process for the manufacture of a leather substitute
CH82060A
(en )
1919-08-16
Process for the manufacture of a leather substitute
CH82049A
(en )
1919-08-16
Process for the production of a meat extract-like preparation
CH72059A
(en )
1916-04-01
Process for the manufacture of an agent for softening water
CH75774A
(en )
1918-02-01
process for the production of a soap preparation
CH80533A
(en )
1919-03-17
Process for the production of a plastic
CH75777A
(en )
1918-01-16
Process for the manufacture of a leather substitute
CH77251A
(en )
1918-03-16
Process for the manufacture of a leather substitute
CH76185A
(en )
1917-11-01
Process for producing a detergent
CH79962A
(en )
1919-01-16
Process for the production of a lacquer
CH83304A
(en )
1919-12-01
process for the production of a flame-retardant solvent
CH75877A
(en )
1917-10-01
Process for making a soap substitute
CH76328A
(en )
1917-12-01
Process for making a soap substitute
CH81608A
(en )
1919-12-01
Process for the production of a coffee substitute
CH78279A
(en )
1918-07-01
Method of making a lubricant
CH83504A
(en )
1919-12-01
Process for the production of an oxidation product of paraffin
CH74965A
(en )
1917-06-01
Process for the production of an insert and hardening preparation for iron objects
CH81117A
(en )
1919-05-01
Method of making an elastic fabric for use in sanitary articles