GB8902558D0
(en )
1989-03-22
Disposable faceshield and method of manufacture thereof
CS581788A1
(en )
1989-12-13
New polyaminotriazines and method of their preparation
RU1769757C
(en )
1992-10-15
Method of 1
CS21988A1
(en )
1989-08-14
Method of 5-nitro-2-furan and 5-nitro-2-thiophene series' enamines preparation
CS46788A1
(en )
1989-03-14
Juvenogenes and method of their preparation
CS660588A1
(en )
1989-06-13
2-arylimino-3-triphenylphosphonium indolates and method of their preparation
CS719788A1
(en )
1990-09-12
Substituted 1,1,3-trichloro-3-phenylpropanes and method of their preparation
CS415188A1
(en )
1989-04-14
3-substituted 4-imino-1,2,3,4-tetrahydroquinazoline-2-thiones and method of their preparation
CS706288A1
(en )
1990-01-12
Dithioderivatives of carbamoyl-4-hydroxybutanesulphonic acid and method of its preparation
CS811588A1
(en )
1990-03-14
2,2,6,6-tetramethyl-4-piperidyliden-acetone and method of its preparation
CS856488A1
(en )
1989-11-14
3-allyl-6-nitro-2-benzothiazolinone and method of its preparation
CS120788A1
(en )
1989-06-13
2-bromomethylphenylisocyanate and method of its preparation
CS548389A2
(en )
1991-11-12
N-alkylmonoazacrown -n-oxides and method of their preparation
CS626688A1
(en )
1990-05-14
2-oximinomalonamidamidine's hydrochloride and method of its production
CS824488A1
(en )
1990-08-14
Polymers of chlorofluoroalkyl)-2-propenoates and method of their preparation
CS811688A1
(en )
1990-03-14
(2,2,6,6-tetramethyl-4-piperidyl)-2-propanon and method of its preparation
CS427288A1
(en )
1989-08-14
Coordination compounds and method of their preparation
CS204188A1
(en )
1989-05-12
3-(2-r-vinyl)-2-benzothiazolinones and method of their preparation
CS9000069A2
(en )
1991-07-16
3-azidomethyl-4-hydroxyphenylalkylketones and method of their preparation
CS29090A2
(en )
1991-08-13
//5-substituted-4-oxo-4h-pyran-2-yl/methyl-chloroacetates and method of their preparation
CS475788A1
(en )
1989-09-12
Biologically efficient derivatives of 3,4-dihydro-2h-benzopyran and method of their preparation
CS599889A1
(en )
1990-08-14
Double cobalt-zinc cyclo-tetraphosphates and method of their preparation
CS290089A1
(en )
1990-06-13
Double manganese-cobalt cyclo-tetraphosphates and method of their preparation
CS18089A1
(en )
1989-09-12
Method of new 2,3 -dichlorobenzhydrylamines and their salts preparation
BG39190A1
(en )
1986-05-15
Devivatives of 4- hydroxy- 3- amino- 2'- nitrobenzene- sulphonanilide and method for preparation of these derivatives