PL278545A1
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1989-10-02
Method of obtaining novel derivatives of cyclobutylpurine and cyclobutylpyrimidine
GB2216134B
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1992-08-12
Membranes and methods of preparation thereof
CS581788A1
(en )
1989-12-13
New polyaminotriazines and method of their preparation
ZA869139B
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1987-08-26
Sulfomethylamide-containing polymers and method of preparing same
CS1389A1
(en )
1990-07-12
Substituted polyaminotriazines and method of their preparation
GB2225038B
(en )
1992-08-12
Post support and method of making same
GB2221679B
(en )
1992-05-20
Aminotriazine polymers and method of preparing same
CS824488A1
(en )
1990-08-14
Polymers of chlorofluoroalkyl)-2-propenoates and method of their preparation
CS660588A1
(en )
1989-06-13
2-arylimino-3-triphenylphosphonium indolates and method of their preparation
CS46788A1
(en )
1989-03-14
Juvenogenes and method of their preparation
CS706288A1
(en )
1990-01-12
Dithioderivatives of carbamoyl-4-hydroxybutanesulphonic acid and method of its preparation
CS548389A2
(en )
1991-11-12
N-alkylmonoazacrown -n-oxides and method of their preparation
CS204188A1
(en )
1989-05-12
3-(2-r-vinyl)-2-benzothiazolinones and method of their preparation
CS120788A1
(en )
1989-06-13
2-bromomethylphenylisocyanate and method of its preparation
CS856488A1
(en )
1989-11-14
3-allyl-6-nitro-2-benzothiazolinone and method of its preparation
CS719788A1
(en )
1990-09-12
Substituted 1,1,3-trichloro-3-phenylpropanes and method of their preparation
CS25886A1
(en )
1990-11-14
2-substituted-5-arylfurans and method of their preparation
CS52988A1
(en )
1990-07-12
Method of hydroxyethylmetacrylate and ethylenglycoldimetacrylate simultaneous preparation
CS807687A1
(en )
1989-03-14
Alkylidenmalonaldehydes and method of their preparation
CS184688A2
(en )
1991-03-12
Method of methacrylamide 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
BG45618A1
(en )
1989-07-14
Semicarbasides of 4- chlorphenoxiacete acid and method for their preparing
BG43733A1
(en )
1988-08-15
Polymer derivatives of cysteinsulphonamide and method for its preparation
CS500188A1
(en )
1989-04-14
Double manganese-zinc cyclo-tetraphosphates and method of their preparation