JPS5417398A
(en )
1979-02-08
Purifying method of phosphric acid
JPS542996A
(en )
1979-01-10
Process for producing concentrated sulfuric acid
GB2014564B
(en )
1982-06-23
Process for producing terephthalic acid
HU179422B
(en )
1982-10-28
Process for preparing dl-5-methyl-tetrahydrofolic acid and salts thereof
JPS5312795A
(en )
1978-02-04
Regenerating process for sulfuric acid
GB2003862B
(en )
1982-01-27
Process for purifying terephthalic acid suspension
DE2862097D1
(en )
1982-12-30
Process for purification of acrylic acid by fractional crystallization
GB2005687B
(en )
1982-03-10
Pepides acid addition salts thereof and process for prperation thereof
JPS53127431A
(en )
1978-11-07
Method of purifying terephthalic acid
GB2008588B
(en )
1982-02-17
Process for recovering salts of aspartic acid
HU178713B
(en )
1982-06-28
Process for producing raceme and optically active apovincaminic acid and salts
CS187528B1
(en )
1979-02-28
Process for the purification of zirconium salts from uranium by crystallization in sulphuric acid medium
ZA801664B
(en )
1981-03-25
New process for purifying ursodesoxycholic acid
HU174841B
(en )
1980-03-28
Process for the electrochemical reduction of imidazole-carboxylic acid esters
DE3067054D1
(en )
1984-04-19
Process for producing solutions of aziridine-2-carboxylic acid salts
JPS52153954A
(en )
1977-12-21
Purification method of ulsodeoxycholic acid
GB2006191B
(en )
1982-01-27
Process for producing terephthalic acid
GB1558255A
(en )
1979-12-19
Process for concentrating aqueous sulphuric acid
JPS5390234A
(en )
1978-08-08
Method of purifying terephthalic acid
GB2018252B
(en )
1982-08-11
Process for the purification of terephthalic acid
JPS52156851A
(en )
1977-12-27
Purification method of phenodeoxycholic acid
DE3070355D1
(en )
1985-04-25
Process for producing solutions of aziridine-2-carboxylic acid salt
JPS52131517A
(en )
1977-11-04
Process for purification of acetic acid
JPS53111028A
(en )
1978-09-28
Process for purification of benzoic acid
GB2051039B
(en )
1983-05-25
Process for purifying terephthalic acid