CH278309A
(en )
1951-10-15
Process for the direct production of positive photographic images.
CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
CH282375A
(en )
1952-04-30
Process for the preparation of organohalosilanes.
CH287583A
(en )
1952-12-15
Process for producing multicolor photographic images.
CH285805A
(en )
1952-09-30
Process for the manufacture of light-sensitive products.
CH469769A
(en )
1969-03-15
Process for the preparation of polybenzoxazinediones
CH329758A
(en )
1958-05-15
Process for the production of photographic images
CH302938A
(en )
1954-11-15
Process for the production of color images in photographic layers.
AT174995B
(en )
1953-05-26
Process for the production of color photographic X-ray images
AT168886B
(en )
1951-09-10
Process for the production of relief images for preparation for commercial printing
AT171709B
(en )
1952-06-25
Process for the preparation of oximes
AT172334B
(en )
1952-08-25
Process for the preparation of N-dialkylaminoalkylphenthiazines
CH318211A
(en )
1956-12-31
Process for the production of tanning images
AT179196B
(en )
1954-07-26
Process for the production of color positive images
AT174919B
(en )
1953-05-26
Process for the production of morpholines
CH264319A
(en )
1949-10-15
Process for making photographic images.
AT173613B
(en )
1953-01-10
Process for making color photographs
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
AT169581B
(en )
1951-11-26
Process for making color photographs
AT169579B
(en )
1951-11-26
Process for making color photographs
CH302171A
(en )
1954-10-15
Process for producing permanent color photographic images.
AT172339B
(en )
1952-08-25
Process for the preparation of γ-chlorobutyryl chloride
AT176020B
(en )
1953-09-10
Process for the preparation of modified polysiloxanes
AT170288B
(en )
1952-02-11
Process for the production of three-dimensional images by photographic or printing methods and photo paper suitable for this
AT170895B
(en )
1952-04-10
Process for the production of pseudo-parallaxograms (raster images) and suitable light-sensitive material