CH76943A
(en )
1918-02-16
Method for producing an elastic rubbery mass
AT80091B
(en )
1920-02-25
Process for the preparation of caramel. Process for the preparation of caramel.
CH56153A
(en )
1912-10-01
Process for producing an elastic mass
CH75978A
(en )
1917-10-16
Process for the production of a sulfur-free, elastic mass
CH67911A
(en )
1915-02-01
Process for making an emulsion
CH77547A
(en )
1918-05-01
Process for producing a silicon compound
CH78352A
(en )
1918-07-16
Process for producing cigarettes which can be ignited on friction surfaces
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH78641A
(en )
1918-12-16
Process for making electric ovens
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH77220A
(en )
1918-03-16
Method of making briquettes
CH78380A
(en )
1918-11-16
Process for the preparation of hydrocodeine
CH71044A
(en )
1915-11-16
Method for producing stereotype matrices
CH77801A
(en )
1918-06-01
Method of making caramel
CH78275A
(en )
1919-01-02
Process for the preparation of acetaldehyde
CH78790A
(en )
1918-09-02
Process for the production of emulsion for technical purposes
CH78165A
(en )
1918-11-16
Process for the preparation of hydromorphine
CH58686A
(en )
1913-03-17
Process for producing a celluloid glass mass
CH81325A
(en )
1919-06-02
Process for the production of light, elastic objects for play purposes
CH70774A
(en )
1915-11-01
Process for making rubber articles
CH76371A
(en )
1917-12-01
Process for the preparation of o-vanillyl alcohol
CH69482A
(en )
1915-07-01
Process for the preparation of an associated monoazo dye
AT89533B
(en )
1922-09-25
Process for the production of resinous bodies.
CH80786A
(en )
1919-04-01
Method of making masonry
CH80238A
(en )
1919-02-17
Process for the production of rubber-like compositions