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1992-06-24
Blended films, structures therefrom, and methods of making and using them
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1991-07-18
Preparation of tetrabromo-4,4'-alkylidenediphenols
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1993-08-11
Novel block copolymer and preparation thereof
GB2234517B
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1992-12-09
Silethynyl-siloxane copolymers and method of making them
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1992-01-08
N,n-bis-1,3,5-triazine-6-yl-piperazines and processes for their preparation
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1992-01-08
Alpha-olefin-alkenylsilane copolymer and method for preparing same
GR890100860A
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1991-03-15
Composition based on trimebutyne and preparation process
CS237489A1
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1989-11-14
Copolymers of 2,3-epoxypropyl-a/2,3-epithiopropyl/-2-propenolates and method of their preparation
GB8912430D0
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1989-07-19
Polymers and processes for their preparation
PL276098A1
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1990-06-11
Method of obtaining 2,3-dibromide-2-butene-1,4-diole
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1990-09-12
Substituted 1,1,3-trichloro-3-phenylpropanes and method of their preparation
CS275040B2
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1992-01-15
2 alpha, 3 alpha-diacyloxy-17 beta- (2-methyl-butyroloxy)-7-oxa-b-homo-5 alpha-androstane-6-ons and method of their preparation
IL95492A0
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1991-06-30
Preparation of 3,7-dialkylxanthines
RO105695B1
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1992-11-30
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1989-04-14
3-substituted 4-imino-1,2,3,4-tetrahydroquinazoline-2-thiones and method of their preparation
CS811588A1
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1990-03-14
2,2,6,6-tetramethyl-4-piperidyliden-acetone and method of its preparation
CS50190A2
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1991-07-16
Substituted 1,1,1,3-tetrachloro-3-fenylpropanes and method of their preparation
CS426988A1
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1989-06-13
Method of 2,6-dialkyl-n-/1-methoxy-2-propyl/anilines preparation
CS8904363A1
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1991-02-12
2 alpha,3 alpha-dihydroxy-17 beta-(2-methyl-butyryloxy) -7-oxo-b-homo-androstane-6-on and method of its preparation
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1989-09-12
Method of bis-/2,4-dimercapto-6-triazinyl/-disulphide preparation
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1992-05-08
Aminoacetyl-oxohexyl derivative of 1,3-dimethyl-xanthin and preparation method
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1989-10-16
Method of obtaining novel n-aminomethyl 1,2-benzoisothiazolynon-3-yl-acetamide
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1989-05-12
Method of 2,6-dialkyl-n-(1-methoxy-2-propyl)anilines preparation
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1992-02-19
Method of 7-chloro-5-phenyl-1,3-dihydro-1,4-benzodiazepine-2-thione's preparation
CS18089A1
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1989-09-12
Method of new 2,3 -dichlorobenzhydrylamines and their salts preparation