CS900287A2
(en )
1990-03-14
Method of phosphinic acid's derivatives production
CS9787A2
(en )
1990-02-12
Method of hyaluronic acid's insulation
CS8903346A2
(en )
1991-08-13
Method of sulphuric acid's vapours condensation and equipment for this method realization
PL286349A1
(en )
1991-05-20
Method of purifying aminomethylenephosphonic acids and method of obtaining ethylenediamine-tetra/methalenephosphonic/acid
CS232786A2
(en )
1989-04-14
Method of androstane-17 beta-carboxyl acid's new esters production
IL84199A0
(en )
1988-03-31
Glycolipid containing n-glycolyl-neuraminic acid and method of producing same
CS274677B2
(en )
1991-09-15
Method of 7-piperazino-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxyl acid's derivatives production
PL277488A1
(en )
1989-10-16
Method of obtaining n-phosphono-methyliminoacetic acid
PL272668A1
(en )
1989-02-20
Method of obtaining 4,4'-dinitroethylbenedisulfonic-2,2'acid
CS300988A1
(en )
1989-05-12
Method of quinonine sulphuric acid's refining
CS8703287A1
(en )
1989-09-12
Method of 2-benzothiazolsulphenic acid's sulphenamides preparation
CS592687A2
(en )
1990-07-12
Method of l-diaminocarboxyl acid's ester production
GB8813889D0
(en )
1988-07-13
Solutions of permonosulphuric acid
EP0240362A3
(en )
1989-03-29
Process for the preparation of 4'-hydroxybiphenyl-4-carboxylic acid
CS560390A2
(en )
1991-09-15
Method of alpha-naphthalenesulphonic acid's hydrolysis in naphthalenesulphonation mixture
CS187886A1
(en )
1989-06-13
Method of waste sulphuric acid's concentration
CS810187A2
(en )
1989-07-12
Method of 2-guanidinothiazole's derivative production
CS391288A1
(en )
1989-04-14
Method of 3,4-dichloroaniline-6-sulphonic acid's production
CS8900831A1
(en )
1990-11-14
Method of 7-aminocephalosporaneic acid's preparation
CS612488A1
(en )
1989-09-12
Method of alpha-dialkylaminoacrylic acid's esters preparation
CS755487A2
(en )
1990-02-12
Method of acrylic acid's derivatives production
CS706586A1
(en )
1989-04-14
Method of cinnamic acid's esters production
CS569488A1
(en )
1989-08-14
Method of eosine's free acid production
PL265378A1
(en )
1988-11-10
Method of obtaining 1-amino-2-hydroxy-4-naphtalenesulfonic acid
CS542187A1
(en )
1989-08-14
Method of 4-oxopentylaikanoates' synthesis