Inventor

WELCH M BRUCE

US120 patents

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

WELCH M BRUCE

PHILLIPS PETROLEUM CO

Metallocene preparation and use

Metallocene compounds and preparation thereof containing terminal alkynes

Process for producing broad molecular weight polyolefin

Organometallic fluorenyl compounds and use thereof in an alpha-olefin polymerization process

Vinly-substituted bridged metallocenes

Method for making and using a supported metallocene catalyst system

Metallocenes and processes therefor and therewith

Organometallic fluorenyl compounds, preparation, and use

Metallocenes and processes therefor and therewith

Process of polymerizing olefins using diphenylsilyl or dimethyl tin bridged 1-methyl fluorenyl metallocenes

Cyclopentadienyl-type ligands, metallocenes, catalyst systems, preparation, and use

Process for preparing cyclopentadienyl-type ligands

High activity ethylene selective metallocenes

Catalyst systems for producing broad molecular weight polyolefin

Organometallic fluorenyl compounds, preparation, and use

Method for preparing cyclopentadienyl-type ligands and metallocene compounds

Olefin polymerization using silyl-bridged metallocenes

Metallocenes, polymerization catalyst systems, their preparation, and use

Method for producing polymer of ethylene

Olefin polymerization

Complexes of pyridldiimines with vanadium and other transition metals, and their use as olefin oligomerization and polymerization catalysts

Process for producing an olefin polymer using a metallocene

Process to prepare polymeric metallocenes

Method for making and using a supported metallocene catalyst system

Organometallic fluorenyl compounds and use thereof in olefin polymerization

Polymer bound metallocenes

Polymer bound ligands, polymer bound metallocenes, catalyst systems, preparation, and use

Polyethylene blends

Catalyst, method of producing the catalyst, and polymerization process employing the catalyst

Substituted indenyl unbridged metallocenes

Catalyst compositions and olefin polymerization

Olefin polymerization

Mono-1-olefin polymerization in the presence of hydrogen and a cyclopentadienyl compound

Polyethylenes containing a unique distribution of short chain branching

(Omega-alkenyl) (cyclopentacarbyl) metallocene compounds

Processes to produce metallocene compounds and polymerization processes therewith

Olefin conversion

Polyethylene film

Films comprising metallocene catalyzed polyethylene

Polymerization catalyst systems, their preparation, and use

Organoaluminoxy product, catalyst systems, preparation, and use

Unbridged metallocenes of 9-substituted fluorenyl compounds and use thereof

Polyethylene blends

Multicyclic metallocycle metallocenes and their use

Aryl substituted metallocene catalysts and their use

Unsymmetric unbridged bis-indenyl metallocenes and their use

Olefin polymerization

CONOCOPHILLIPS CO

Desulfurization and novel compositions for same

Disproportionation of isopentane

(unassigned)

Bridged fluorenyl/indenyl metallocenes and the use thereof