Inventor

KAROL FREDERICK J

US74 patents

⚠️ This page may combine multiple inventors who share the name “KAROL FREDERICK J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KAROL FREDERICK J

UNION CARBIDE CORP

Preparation of low-density ethylene copolymers in fluid bed reactor

Impregnated polymerization catalyst, process for preparing, and use for ethylene copolymerization

Ethylene polymerization using supported vanadium catalyst

Preparation of ethylene copolymers in fluid bed reactor

Preparation of low and medium density ethylene polymer in fluid bed reactor

Catalyst composition for polymerizing ethylene

Impregnated polymerization catalyst, process for preparing, and use for ethylene copolymerization

Catalyst composition for copolymerizing ethylene

Process for the preparation of high density ethylene polymers in fluid bed reactor

Process for trimerization

Processes for preparing polyethylene catalysts by heating catalyst precursors

Polymerization catalyst, process for preparing, and use for ethylene polymerization

Spheroidal polymerization catalyst, process for preparing, and use for ethylene polymerization

Spheroidal polymerization catalyst, process for preparing, and use for ethylene polymerization

High tear strength polymers

High tear strength polymers

Process for activation of titanium and vanadium catalysts useful in ethylene polymerization

Polymerization catalyst, process for preparing, and use for ethylene homopolymerization

Process for the preparation of high density ethylene polymers in fluid bed reactor

Catalyst composition for copolymerizing ethylene

Use of alkylaluminum compounds and hydroxyl-containing compounds to initiate polymerization of ethylene with chromium oxide catalysts

Direct conversion of a polymerization reaction catalyzed by a Ziegler-type catalyst into one catalyzed by a chromium-based catalyst

Process for preparing olefin oxide polymerization catalysts

Process for preparing olefin oxide polymerization catalysts by aging the catalysts

Polymerization catalyst for ethylene homopolymerization

UNION CARBIDE CHEM PLASTIC

Catalysts for the production of polyolefins

Gas phase polymerization reactions utilizing soluble unsupported catalysts

Process for producing sticky polymers

Process for the production of polyethylene

Process for the in situ blending of polymers

Ethylene polymerization using supported vanadium catalyst

Deactivator reagent for olefin polymerization catalysts

Use of methylene-bridged derivatives of cyclopentadienyl dicarbollide complexes of titanium, zirconium and hafnium as polymerization catalysts

Process for the in situ blending of polymers

Process for the in situ blending of polymers

Process for the production of polyethylene with a broad and/or bimodal molecular weight distribution

Novel coimpregnated vanadium-zirconium catalyst for making polyethylene with broad or bimodal MW distribution

Catalyst system containing an autoacceleration inhibitor

Ethylene polymerization using a titanium and vanadium catalyst system in staged reactors

UNIVATION TECH LLC

Catalyst composition, method of polymerization, and polymer therefrom

Catalyst composition, method of polymerization, and polymer therefrom

Multiple catalyst system

Catalyst composition, method of polymerization, and polymer therefrom

Bimodal high density polyethlyene

Catalyst composition, method of polymerization, and polymer therefrom

Catalyst composition, method of polymerization, and polymer therefrom

Multiple catalyst system

Catalyst system and its use in olefin polymerization

TECHNOLOGY CORP

Catalyst composition for polymerizing ethylene

KAROL FREDERICK J

Article molded from ethylene hydrocarbon copolymer