CH42340A
(en )
1909-01-16
Process for the preparation of photographic films
FR402877A
(en )
1909-10-19
Process for the production of incombustible cinematographic films
FR518256A
(en )
1921-05-21
Process for the production of photographic reliefs
FR428831A
(en )
1911-09-08
Process for the preparation of photographic combination negatives
FR397026A
(en )
1909-04-27
Improvements made to the production of sensitized surfaces or films, for photography
CH43484A
(en )
1909-05-01
Improved motion picture film and process for its preparation
FR395521A
(en )
1909-03-04
Process for the production of screens for polychrome photography
FR405571A
(en )
1910-01-07
Process for the preparation of viscous cellulose solutions
FR430016A
(en )
1911-10-06
Process for the preparation of gelatin
FR364436A
(en )
1906-08-22
Mechanism for activating the photographic tapes of cinematographs
FR387791A
(en )
1908-07-22
Process for the production of photographic films and motion pictures
FR392405A
(en )
1908-11-26
Process for the preparation of sodium arylamines
FR421314A
(en )
1911-02-20
Process for the production of cinematographic tapes with their images
FR414911A
(en )
1910-09-14
Advanced process for the manufacture of tablets
FR412503A
(en )
1910-07-15
Process for the production of acetyl cellulose films
FR370905A
(en )
1907-02-22
Process for the reproduction of colored photographs
FR450543A
(en )
1913-03-27
Process for the preparation of amino- and diamino-ketones of the aliphatic series
FR398939A
(en )
1909-06-17
Cinematographic projection process
FR413900A
(en )
1910-08-20
Process for preparing positive or negative sensitive films for photography
FR397161A
(en )
1909-04-30
Process for the preparation of bornylene from pinene-straight
FR406653A
(en )
1910-02-05
Process for the manufacture of disinfectants
CH42675A
(en )
1909-03-01
Process for the preparation of 1-phenyl-2. 3-dimethyl-4-dimethylamino-5-pyrazolone
CH42621A
(en )
1909-03-16
Process for the preparation of 1-phenyl-2. 3-dimethyl-4-dimethylamino-5-pyrazolone
CH42572A
(en )
1909-02-01
New film for photography, cinematography and phonography and process for its manufacture
FR395137A
(en )
1909-02-11
Process for the production of alizarin