CH77237A
(en )
1918-03-16
Method for producing a floor covering
CH76185A
(en )
1917-11-01
Process for producing a detergent
CH60706A
(en )
1913-08-01
Process for producing a soundproof floor covering
CH77250A
(en )
1919-02-02
Process for making a soap substitute
CH74125A
(en )
1917-01-16
Method for producing a coffee substitute
CH75877A
(en )
1917-10-01
Process for making a soap substitute
CH76328A
(en )
1917-12-01
Process for making a soap substitute
CH76510A
(en )
1918-01-02
Process for making a soap substitute
CH81566A
(en )
1919-09-01
Process for making a soap substitute
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
CH77547A
(en )
1918-05-01
Process for producing a silicon compound
CH78282A
(en )
1918-07-01
Process for the production of a tanning agent
CH79015A
(en )
1918-10-01
Process for the production of a tanning agent
CH79130A
(en )
1918-10-01
Process for the production of a tanning agent
CH78797A
(en )
1918-09-02
Process for the production of a tanning agent
CH81778A
(en )
1919-07-16
Process for the preparation of a gallocyanine derivative
CH83095A
(en )
1919-11-17
Process for producing a mortar former from anhydrite
CH75774A
(en )
1918-02-01
process for the production of a soap preparation
CH74337A
(en )
1917-02-16
Process for making a soap substitute
CH73106A
(en )
1916-10-02
Process for the production of a leather substitute
CH76684A
(en )
1919-05-16
Process for the production of a weather-resistant paint binder
CH77941A
(en )
1918-06-01
Process for the production of natural top view images
CH72963A
(en )
1917-01-02
Process for making a fertilizer
CH74534A
(en )
1917-08-01
Process for the production of an anti-skid compound