Inventor

PETTIJOHN TED M

US51 patents

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

PETTIJOHN TED M

PHILLIPS PETROLEUM CO

Process for producing broad molecular weight polyolefin

Process of trimerizing and oligomerizing olefins using chromium compounds

Method for making and using a supported metallocene catalyst system

Catalyst systems for producing broad molecular weight polyolefin

Chromium catalysts and process for making chromium catalysts

Chromium compounds and uses thereof

Process for olefin polymerization

Chromium compounds and uses thereof

Metallocene catalyst systems, preparation, and use

Process for olefin polymerization

Polymerization catalysts and processes

Polymerization catalysts and processes

Ethylene polymers

Polymerization catalysts and processes

Process for olefin polymerization

Polyethylenes containing a unique distribution of short chain branching

Transition metal/rare earth catalyst, olefin polymeration process, and polymer produced

Transition metal/rare earth catalyst and olefin polymerization process

Olefin polymerization with cyclopentadienyl lanthanidealkyl of hydride in presence of hydrogen

Catalysts for olefin polymerization

Olefin polymerization process

Compositions useful for olefin polymerization and processes therefor and therewith

Lanthanide halide catalyst, method of producing the catalyst, and polymerization process employing the catalyst

Metal halide catalyst, method of producing the catalyst, polymerization process employing the catalyst, and polymer produced by the polymerization process

Use of starch in the preparation of polymers

Olefin polymerization

Olefin polymerization catalyst and process

Alkene addition process

Polymerization processes

Transition metal catalyst, method of preparing catalyst, polymerization process employing catalyst, and polymer produced

Polymerization process employing lanthanide halide catalyst and polymer produced

Olefin polymerization process and polymer produced

Transition metal catalyst, method of producing the catalyst, polymerization process employing the catalyst, and polymer produced by the polymerization process

Olefin polymerization

Olefin polymerization

Olefin polymerization catalyst and process

Aromatic alkali metal alkene addition process

Polymerization process employing metal halide catalyst and polymer produced

Polymerization process employing transition metal catalyst and polymer produced

Polymerization process employing metal halide catalyst and polymer produced

Metal halide catalyst, method of producing the catalyst, polymerization process employing the catalyst, and polymer produced by the polymerization process

Alkene addition process

CROMPTON CORP

Preparation of di-t-alkyl peroxides and t-alkyl hydroperoxides from n-alkyl ethers

Phosphomolybdic acid stabilizer for hydrogen peroxide

Preparation of peroxyketals

PETTIJOHN TED M

Olefin polymerization

Polyethylene/3-substituted alkene film made with Ziegler-Natta or chromium oxide catalyst

WITCO CORP

Heteropolyacids as catalysts for a synthesis of ketone peroxides

Heteropoly acid peroxide promoter

CK WITCO CORP

Methods of (co)polymerizing vinyl and/or diene monomers and curing or crosslinking polymeric resins using a heteropoly acid peroxide promoter