CH73689A
(en )
1916-11-01
Process for the manufacture of snowshoes
FR457069A
(en )
1913-09-11
Process for the production of pyrography
FR513018A
(en )
1921-02-05
Process for the electrolytic manufacture of alkali perborates
FR472941A
(en )
1914-12-24
Process for the production of diaryl chloroureides
FR463333A
(en )
1914-02-19
Process for the manufacture of p-nitrosophenylglycine
FR464538A
(en )
1914-03-24
Process for the preparation of polynitrocarbazols
FR466165A
(en )
1914-05-06
Process for the production of alpha-arylides from beta-naphthisatin
FR433695A
(en )
1912-01-13
Advanced process for the manufacture of metallurgical coke
FR469359A
(en )
1914-07-30
Process for the production of tanning materials
FR459313A
(en )
1913-11-03
Process for the manufacture of pinacone starting from acetone
FR467076A
(en )
1914-06-03
Process for the production of formaldehyde
FR461785A
(en )
1914-01-10
Process for the purification of nitrocellulose
FR479295A
(en )
1916-03-03
Process for the production of toluene
FR458441A
(en )
1913-10-10
Process for the purification of graphite
FR457369A
(en )
1913-09-16
Process for the production of indol
FR441806A
(en )
1912-08-17
Process for the manufacture of mineral briquettes
FR502195A
(en )
1920-05-06
Process for the production of enamels
FR454282A
(en )
1913-06-30
Process for the manufacture of bells
FR19559E
(en )
1915-03-16
Process for the production of halogenated anthracridones
FR459105A
(en )
1913-10-28
Process for the production of halogenated anthracridones
FR449921A
(en )
1913-03-11
Process for the manufacture of bannetons for bakers
FR458507A
(en )
1913-10-13
Process for the production of porous chocolate
FR493452A
(en )
1919-08-09
Process for the separation of cresols
FR471327A
(en )
1914-10-23
Process for the manufacture of barrels
FR471377A
(en )
1914-10-24
Process for the manufacture of nitrogen compounds