HUT37149A
(en )
1985-11-28
Process for producing quinoline- and naphtiridine-carboxylic acid derivatives
PL268395A1
(en )
1988-10-27
Method for manufacturing acrylic acid derivatives
HUT41786A
(en )
1987-05-28
Process for producing 1-carba-/1-dethia/-3-cepheme-4-carboxylic acid derivatives
EP0297445A3
(en )
1989-10-18
Method for the production of methacrylic acid
DE3661732D1
(en )
1989-02-16
Process for producing 4-biphenylylacetic acid
HUT57673A
(en )
1991-12-30
Process and equipment for producing sulphuric acid
HUT41774A
(en )
1987-05-28
Process for producing thiazolidine-carboxylic acid
YU141886A
(en )
1987-10-31
Process for producing l-ascorbinic acid
HUT40789A
(en )
1987-02-27
Process for producing 2,3,4,9-tetrahydro-1h-carbazol-1-acetic acid
HUT41033A
(en )
1987-03-30
Process for producing 7-amino-3-propenyl-cephalosporanic acid and esters
HUT35684A
(en )
1985-07-29
Improves process and producing 3-exomethylene cepheme-carboxylic acid derivatives
GB8503195D0
(en )
1985-03-13
Producing sulphuric acid
EP0295551A3
(en )
1989-12-06
Method for the production of adipic acid
HUT38912A
(en )
1986-07-28
Process for producing quinolon- and naphtiridon-carboxylic acid derivatives
ZA907473B
(en )
1991-12-24
Sulphuric acid recovery process
HUT41767A
(en )
1987-05-28
Process for producing quinolon-carboxylic acid derivatives
GB8706037D0
(en )
1987-04-15
Producing naphthalen-edicarboxylic acid
HUT40083A
(en )
1986-11-28
Process for producing quinolon-carboxylic acid derivatives
PL275665A1
(en )
1990-05-14
Sulphuric acid production method
EP0230895A3
(en )
1988-08-03
Process for producing hydroxylamine-0-sulfonic acid
RO101324B1
(en )
1992-10-20
Dimethyldithiophosphoric acid production method
GB8709019D0
(en )
1987-05-20
Manufacturing sulfuric acid
CS181388A1
(en )
1989-06-13
Method of 4-hydroxybenzenesulphonic acid production
GB8709020D0
(en )
1987-05-20
Sulfuric acid
EP0293710A3
(en )
1989-07-26
Process for concentrating sulphuric acid