BE857722A
(fr )
1978-02-13
Procede pour la preparation d'ethylene-glycol
BE869256A
(fr )
1979-01-25
Procede pour l'ethylation de mono-alkylbenzenes
BE861172A
(fr )
1978-05-24
Procede de preparation d'alpha-amino-amides
RO70854A
(ro )
1981-06-26
Procedeu de preparare a meta-ariloxibenzaldehidelor
BE862106A
(fr )
1978-04-14
Procede de preparation d'electro-corindon fondu
RO71280A
(ro )
1982-02-26
Procedeu pentru prepararea etilenglicolului
RO70462A
(ro )
1981-01-30
Procedeu pentru prepararea unor 3-halometilcefemi
LU80567A1
(fr )
1979-03-22
Procede pour la preparation de 3-iodo-et de 3 bromorifamycine s
RO71572A
(ro )
1982-07-06
Procedeu pentru prepararea unor o0imcarbamati n-sulfenilati
RO76936A
(ro )
1982-03-24
Procedeu pentru prepararea de p-fenilendiamine asimetrice n-fenil-n'-substituite
RO71066A
(ro )
1982-10-26
Procedeu pentru prepararea unor 2-clorsulfinilazetidin-4-one
BE867414A
(fr )
1978-09-18
Procede pour la preparation d'hydroxy-alpha-aminobenzylpenicillines
RO77935A
(ro )
1981-12-25
Procedeu pentru prepararea unor cis-4a-ariloctahidro-1h-2-pirinidine
BE867228A
(fr )
1978-11-20
Procede pour la preparation d'hydroxyphenylglycocolles
BE869767A
(fr )
1979-02-16
Procede pour la preparation continue d'aldehydes
BE871961A
(fr )
1979-05-14
Procede ameliore pour la production d'alkylene-glycols
RO83713A
(ro )
1984-05-23
Procedeu pentru prepararea unor haloacilamide
FR2378745B1
(fr )
1985-06-21
Procede pour la preparation de para-nitroso-diphenyl-hydroxylamines
BE870138A
(fr )
1979-03-01
Procede pour la preparation de 1-anthraquinonylhydrazines
RO79702A
(ro )
1982-08-17
Procedeu pentru prepararea unei 3-di-n-propil-acetoxi-benzodiazepin-2-one
BE880139A
(fr )
1980-05-19
Procede pour la preparation de chloro-amino-s-triazines
PT66065B
(fr )
1978-06-23
Procede pour la preparation de hydrocarbonetes
BE857738A
(fr )
1978-02-13
Procede de preparation d'alkylphosphines
RO70052A
(ro )
1980-07-15
Procedeu pentru prepararea unor 7-alcoxi-3-clormetilcefemi
RO71742A
(ro )
1982-02-26
Procedeu pentru prepararea unor 1-oxadetiacefalosporine