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1997-04-23
Supported microporous filtration membrane and method of preparing same
HU911834D0
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1991-12-30
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EP0459820A3
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1993-01-13
Bipolar membrane and method for its production
EP0491638A3
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1992-12-02
Method of making granulated l-lysine
EP0706819A3
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1996-11-27
Method of preparing membranes from blends of polymers
GB8825592D0
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1988-12-07
Microporous filter & method
GB2193149B
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1989-12-20
Polyamide membranes
EP0409496A3
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1991-07-24
Microporous membranes
GB8628938D0
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1987-01-07
Microporous polyetherimide membranes
PL286660A1
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1992-03-09
Method of preparing microporous enzymatic membranes from polyamide 6
KR970007100B1
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1997-05-02
Method for the preparation of microporous membrane
EP0474016A3
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1992-05-27
Method for the preparation of 2,3-dihydro-benzofuranes
GB2240338B
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1993-08-11
Method of producing microfiltration membranes from aromatic polyamides
PL292813A1
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1992-12-14
Method of obtaining novel derivatives of 15-nitro-2, 3, 6,7-tetrahydrotabersonine
PL286447A1
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1992-02-24
Method of obtaining 1,3-dimethyl-4-/-hydroxyaminopropane/-uracil
CS19290A2
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1991-07-16
Method of 2,3-diarylquinoxalines preparation
PL286801A1
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1992-03-09
Method of making enzymatic membranes from polyvinyl chloride
PL284525A1
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1991-10-07
Method of obtaining 1,1,3,3-propanoteraphosphonic acid
PL283541A1
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1991-08-12
Method of obtaining l--methyl--hydrazine-/3,4-dihydtoxyphenyl/-propionic acid
PL286943A1
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1992-03-23
Method of producing membrane modules
PL284237A1
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1991-09-23
Method of obtaining 1,3-diphenyloxypropanol-2
CS821088A1
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1990-08-14
Method of 2, 3-0 -isopropyliden -9-/rs/2,3-dihydroxypropyl/adenine preparation
PL287953A1
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1992-06-01
Method of obtaining soluble aromatic polyamides
GB9111703D0
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1991-07-24
Method of transsilylation
EG19434A
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1995-02-28
Process for preparing of indenoindoles 1.