JPH0122294B

Novel polysubstituted 2-keto-1,4-diazacycloalkanes are powerful stabilizers for materials subject to ultraviolet (UV) light degradation, particularly for polyolefins. The cyclic 2-keto compounds of this invention have (a) a fixed two-carbon bridge between the N1 and N4 atoms of the diaza ring, the r...

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Bibliographische Detailangaben
Hauptverfasser:	PYONGU NAE SON, JON TAAYUAN RAI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES HETEROCYCLIC COMPOUNDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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