FR597922A
(en )
1925-12-02
Method and apparatus for continuous rectification of acetic acid
BE378620A
(en )
1931-04-30
Method and apparatus for continuous rectification of acetic acid
FR39297E
(en )
1931-10-12
Method and apparatus for continuous rectification of acetic acid
FR656108A
(en )
1929-04-26
Method and apparatus for the concentration of nitric acid
FR576838A
(en )
1924-08-27
Method and apparatus for the evaporation of concentrated solutions
FR709662A
(en )
1931-08-12
Electrolytic method and apparatus for the purification of acetic acid solutions and the like
FR538173A
(en )
1922-06-06
Method and apparatus for the concentration of acetic acid
FR562641A
(en )
1923-11-15
Method and apparatus for making sulfuric acid
FR602516A
(en )
1926-03-20
Method and apparatus for the manufacture of sulfuric acid
FR705580A
(en )
1931-06-10
Method and apparatus for the production of hydrocyanic acid
FR644691A
(en )
1928-10-12
Method and device for the concentration of nitrogen acid
FR633817A
(en )
1928-02-04
Acetic acid concentration process
FR697884A
(en )
1931-01-23
Method and apparatus for the continuous manufacture of highly concentrated sulfuric acid
FR624540A
(en )
1927-07-20
Method and apparatus for the production of purified cream of tartar and tartaric acid
FR669193A
(en )
1929-11-13
Method and apparatus for the concentration of nitrogen acid
FR550379A
(en )
1923-03-05
Method and apparatus for the manufacture of formic acid
FR668629A
(en )
1929-11-05
Process for the separation of formic acid and acetic acid
FR642361A
(en )
1928-08-28
Process and apparatus for the catalytic manufacture of sulfuric acid
BE337703A
(en )
1926-12-28
Method and apparatus for the production of purifying cream of tartar and tartaric acid
BE354653A
(en )
1928-11-30
Acetic acid concentration process
FR698081A
(en )
1931-01-27
Method and apparatus for the production of bitumen from acid resin by-products
FR620134A
(en )
1927-04-15
Method and apparatus for supplying air to burners
FR568214A
(en )
1924-03-18
Method and apparatus for carbonic acid amendment
FR633446A
(en )
1928-01-28
Process for the extraction of butyric acid and its homologues
FR760593A
(en )
1934-02-26
Process and apparatus for the concentration and purification of acetic acid from pyrolignants