FR638323A
(en )
1928-05-22
Process for the preparation of hydrogen
FR700132A
(en )
1931-02-24
Process for the preparation of hydrogen peroxide and phosphate combinations
FR648844A
(en )
1928-12-14
Process for the preparation of mixtures of hydrogen and nitrogen
FR781506A
(en )
1935-05-17
Process for preparing hydrogen peroxide
FR759436A
(en )
1934-02-01
Process for the preparation of cyclic alpha-cyanoketimides and cyclic alpha-cyanoketones
FR625528A
(en )
1927-08-12
Process for the preparation and production of anthraquinone intermediates
FR699033A
(en )
1931-02-09
Process for the preparation of aminodiazoanthraquinones
FR715585A
(en )
1931-12-05
Process for the preparation of humectants, dispersants, emulsifiers and washing agents
FR736174A
(en )
1932-11-21
Process for the preparation of arylguanidines and substituted arylguanidines
FR747148A
(en )
1933-06-12
Process for the preparation of hydrogen peroxide
FR693004A
(en )
1930-11-14
Process for the preparation of resitols
FR682516A
(en )
1930-05-28
Process for the preparation of phosphoric acid and hydrogen by phosphorus and water
FR626198A
(en )
1927-08-31
Process for the preparation and production of anthraquinone intermediates
FR718398A
(en )
1932-01-23
Process for the preparation of alkylolamine derivatives
FR659073A
(en )
1929-06-24
Process for the preparation of hydroxythionaphthenes
FR658850A
(en )
1929-06-20
Process for the preparation of hydroxythionaphthenes
FR661543A
(en )
1929-07-26
Process for the preparation of 3-alkoxy-oxythionaphthenes
CH131588A
(en )
1929-02-28
Process for the simultaneous preparation of phosphoric acid and hydrogen.
FR701915A
(en )
1931-03-25
Process for the preparation of para-nitrosamine and para-quinonoximines compounds
FR685314A
(en )
1930-07-09
Process for the preparation of alpha-di-phenyl-imido-urea
FR687855A
(en )
1930-08-14
Process for the preparation of halogenated alkyls
FR621954A
(en )
1927-05-20
Process for the preparation of borneols and isoborneols
FR702641A
(en )
1931-04-13
Process for the preparation of 1.4.5.8-naphthalene-tetra-carboxylic acid and its derivatives
FR688201A
(en )
1930-08-20
Process for the preparation of alkaline phosphates
FR704634A
(en )
1931-05-22
Process for the preparation of 1.4.5.8-naphthalene-tetra-carboxylic acid and its derivatives