FR662569A
(en )
1929-08-08
Process for the production of hydrocyanic acid
FR709512A
(en )
1931-08-07
Improved process for concentrating phosphoric acid solutions
FR661343A
(en )
1929-07-24
Process for the production of concentrated acetic acid, starting from dilute acetic acid
BE344165A
(en )
1927-09-30
Process for extracting concentrated acetic acid from extended acid
FR653159A
(en )
1929-03-18
Process for obtaining 1-aminoanthraquinone-2-sulfonic acid
FR679442A
(en )
1930-04-12
Process for extracting acetic acid from pyrolignants
FR681437A
(en )
1930-05-14
Improved process for removing water from aqueous formic acid
BE353145A
(en )
1928-08-31
Process for extracting acetic acid from pyrolignants
FR642362A
(en )
1928-08-28
Process for preparing vanadic acid
FR662402A
(en )
1929-08-07
Process for the extraction of concentrated acetic acid, from extended acid
FR642906A
(en )
1928-09-06
Process for preparing 3.5-dichlor-1-methylbenzene-2-carboxylic acid
FR643800A
(en )
1928-09-22
Process for making 1, 3-diamino-2-hydroxy-anthraquinone starting from 4'-hydroxy-ortho-benzoyl-benzoic acid and the intermediates
FR703003A
(en )
1931-04-22
Acetic acid dehydration process
FR665375A
(en )
1929-09-18
Process for preparing 4-chloro-1-aminoanthraquinone-2-sulfonic acid
FR618206A
(en )
1927-03-05
Process for making hydrocyanic acid stable
FR615478A
(en )
1927-01-08
Process for the production of concentrated acetic acid
FR633817A
(en )
1928-02-04
Acetic acid concentration process
BE354653A
(en )
1928-11-30
Acetic acid concentration process
FR33971E
(en )
1929-04-29
Process for obtaining concentrated acetic acid from solutions of extended acetic acid
FR658960A
(en )
1929-06-22
Process for the production of concentrated acetic acid
FR637129A
(en )
1928-04-24
Process for the production of acetic acid
FR646410A
(en )
1928-11-12
Improvements to the process for removing cupric oxide
FR618954A
(en )
1927-03-24
Process for the production of concentrated acetic acid from crude or diluted aqueous pyroligneous acid
FR570557A
(en )
1924-05-03
Citric acid extraction process
BE344164A
(en )
1927-09-30
Process for obtaining concentrated acetic acid from solutions of extended acetic acid