PL286250A1
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1991-04-08
Method of obtaining novel derivatives of propenic acid
CS8800987A2
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1990-11-14
Catalyst for making respective under-saturated aldehyde and respective under-saturated acid and method of catalyst's preparation
IL82977A
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1990-12-23
Method of preparing 5-amino salicyclic acid
PL277488A1
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1989-10-16
Method of obtaining n-phosphono-methyliminoacetic acid
ZA879331B
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1988-09-28
Method for preparation of mercaptobenzoates
GB8817235D0
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1988-08-24
Method for preparation of dialkylnaphthalenes & catalyst for same
CS186887A2
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1989-04-14
Method of alkylsuphonyl-alkylchlorobenzenes preparation
PL272668A1
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1989-02-20
Method of obtaining 4,4'-dinitroethylbenedisulfonic-2,2'acid
AR243500A1
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1993-08-31
Method for preparation of mercaptobenzoates
CS109989A1
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1990-05-14
Method of acid catalyst preparation
EP0417543A3
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1991-09-18
Process for the preparation of 3-methylquinolin-8-carboxylic acid
IL92279A0
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1990-07-26
Preparation of 2-chloro-4-toluenesulfonic acid
IL83539A
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1992-11-15
Method of preparation of anilinofumarate
CS275182B2
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1992-02-19
Method of 1-methoxy-2-propanone preparation
EP0265932A3
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1989-11-23
Process for the preparation of alylanaline using an aluminosilicate catalyst
CS682488A1
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1989-09-12
Method of pentachlorohydroxoplatinic acid preparation
CS561288A1
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1989-06-13
Method of digalacturonic acid preparation
CS732588A1
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1989-11-14
Method of catalyst preparation
CS279089A1
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1990-08-14
Method of 1-amino-7-naphthol preparation
CS979386A1
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1989-05-12
Method of aryloxyalkanecarboxylic acids preparation
PL288251A1
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1991-08-12
Method of obtaining novel derivatives of dioxalic acid
CS821986A1
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1988-08-16
Method of preparation of chestnut-extract
CS286788A1
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1990-06-13
Method of 2, 3 to 4, 6-diisopropylidene-2-keto-l-gulonic acid preparation
CS934086A1
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1989-09-12
Method of 3-acetoxymethyl 7-2-/2-amino-4-thioazolyl/-2-methoxyiminoacetamido/-3-cephem-4-carboxylic acid preparation
CS275186B2
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1992-02-19
Method of 7-aminocephalosporaneic acid's preparation