JPS5223016A
(en )
1977-02-21
Method of purification acetic acid
JPS5417398A
(en )
1979-02-08
Purifying method of phosphric acid
IL50234A
(en )
1979-09-30
Continuous process for acid gas removal
GB1554280A
(en )
1979-10-17
Purification of formic acid
JPS5217413A
(en )
1977-02-09
Method of purification acetic acid
IL49928A0
(en )
1976-08-31
Purification of crude phosphoric acid
GB1547590A
(en )
1979-06-20
Process for the removal of acid gases
JPS5262221A
(en )
1977-05-23
Method of dehydrogenating isobutyis acid oxidizingly
GB1556478A
(en )
1979-11-28
Process for the purification of phosphoric acid
JPS51127039A
(en )
1976-11-05
Purification method of benzene carboxylic acid
JPS5371051A
(en )
1978-06-24
Method of purifying crude anthraquinone
CS190550B2
(en )
1979-05-31
Method of producing 6,11-dihydro-11-oxodibenz/b,e/-oxepinalkanoic acid
JPS52153954A
(en )
1977-12-21
Purification method of ulsodeoxycholic acid
CS178698B1
(en )
1977-10-31
Method for purification of crude 3,6-endomethylen-delta4-tetrahydrophtalic acid
GB2008114B
(en )
1982-04-07
Method of purifying crude p-toluic acid
JPS51133230A
(en )
1976-11-18
Purifying method of chlorbutylonitlile
GR60367B
(en )
1978-05-20
Method for the recovery of lactones from resocyclic acid(rals)
AU502400B2
(en )
1979-07-26
Continuous process for purifying crude phosphoric acid
JPS51118723A
(en )
1976-10-18
Process for purification of crude sulfonic acid
JPS52156851A
(en )
1977-12-27
Purification method of phenodeoxycholic acid
JPS5278861A
(en )
1977-07-02
Isolating method of ursodeoxycolic acid
BG23976A1
(en )
1977-12-15
Method of purifying commercial terephtalic acid
JPS52131517A
(en )
1977-11-04
Process for purification of acetic acid
CA1023735A
(en )
1978-01-03
Process for purifying crude cyanuric acid
BG27357A3
(en )
1979-10-12
Method of obtaining of derivatives of 1,2- diphinil- cyclohex 1- carbonic acid