BE351783A
(en )
1928-07-31
Process for obtaining concentrated volatile aliphatic acids
FR653159A
(en )
1929-03-18
Process for obtaining 1-aminoanthraquinone-2-sulfonic acid
FR664611A
(en )
1929-09-05
Process for the production of aromatic acids
FR633319A
(en )
1928-01-27
Process for obtaining diazotypes
FR654080A
(en )
1929-04-02
Process for the production of sulfonic acids
FR704684A
(en )
1931-05-23
Process for the preparation of ortho-aniline-sulfonic acids
FR662454A
(en )
1929-08-07
Process for the production of halo-arylthioglycolic acids
FR652967A
(en )
1929-03-15
Process for concentrating volatile aliphatic acids
FR651944A
(en )
1929-03-01
Process for the concentration of volatile aliphatic acids
FR652965A
(en )
1929-03-15
Process for the concentration of volatile aliphatic acids
BE350179A
(en )
1928-05-31
Process for the concentration of volatile aliphatic acids
FR672105A
(en )
1929-12-23
Process for obtaining organic acids
FR680620A
(en )
1930-05-02
Process for obtaining organic acids
FR625107A
(en )
1927-08-03
Process for the production of 1-diazoanthraquinone-2-car-bonic acids
FR651843A
(en )
1929-02-28
Process for the production of arylcarboxyamido-ortho-thioglycolic acids
FR650955A
(en )
1929-02-13
Process for the production of o-cyanarylthioglycolic acids
FR649328A
(en )
1928-12-20
Process for the preparation of acids
FR677998A
(en )
1930-03-17
Process for obtaining organic acids
FR639359A
(en )
1928-06-20
Process for the production of aliphato-aromatic carboxylic acids
FR668656A
(en )
1929-11-05
Process for the production of arylcarboxyamido-orthothioglycolic acids
FR661408A
(en )
1929-07-25
Process for obtaining photogravures
FR663845A
(en )
1929-08-26
Process for obtaining aliphatic carboxylic acids from their aqueous solutions
FR665375A
(en )
1929-09-18
Process for preparing 4-chloro-1-aminoanthraquinone-2-sulfonic acid
FR670852A
(en )
1929-12-05
Process for the production of 2-para-oxyaryl-amino-naphthalene carboxylic acids
FR659962A
(en )
1929-07-05
Process for the preparation of ortho-halogen-anthraquinone-carboxylic acids