Patent classifications
C
CHEMISTRY; METALLURGY
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C08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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C08F
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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C08F4/42
Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
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C08F4/44
selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
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C08F4/60
together with refractory metals, iron group metals, platinum group metals, manganese, rhenium; technetium; or compounds thereof
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C08F4/62
Refractory metals or compounds thereof
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C08F4/64
Titanium, zirconium, hafnium or compounds thereof
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C08F4/64003
the metallic compound containing a multidentate ligand, i.e. a ligand capable of donating two or more pairs of electrons to form a coordinate or ionic bond
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C08F4/64165

Synthesis of aryl coupled bis phenoxides and their use in olefin polymerization catalyst systems with activator-supports
09663594 · 2017-05-30 · ·

Disclosed herein are methods of making bis(phenol) ligand compounds and transition metal bis(phenolate) compounds. The transition metal bis(phenolate) compounds can be used as components in catalyst systems for the polymerization of olefins.

Synthesis of aryl coupled bis phenoxides and their use in olefin polymerization catalyst systems with activator-supports
09663594 · 2017-05-30 · ·

Disclosed herein are methods of making bis(phenol) ligand compounds and transition metal bis(phenolate) compounds. The transition metal bis(phenolate) compounds can be used as components in catalyst systems for the polymerization of olefins.