Inventor

CAMPBELL JR RICHARD E

US41 patents

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

CAMPBELL JR RICHARD E

DOW CHEMICAL CO

Cyclopentaphenanthrenyl metal complexes and polymerization process

Catalyst composition for preparation of syndiotactic vinyl aromatic polymers

Process for preparation of syndiotactic vinyl aromatic polymers

Preparation of polyhydrocarbyl-aluminoxanes

Heterogeneous organometallic catalysts containing a supported titanium compound and at least one other supported organometallic compound

Olefin polymerization process

α-Olefin/vinylidene aromatic monomer and/or hindered aliphatic or cycloaliphatic vinylidene monomer interpolymers

Diene complexes of group 4 metals and process of preparation

Catalyst and process for preparation of syndiotactic polystyrene

Zirconium containing catalysts and method of use

Organoactinide polymer catalysts

Silane functionalized olefin interpolymer derivatives

Polymerization of vinyl aromatic monomers using cyclopentadienyl zirconium catalysts

Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst activators therefrom

Crystalline syndiotactic copolymers from arylcyclobutene functional monomers and vinyl aromatic monomers

Process for preparation of syndiotactic polystyrene

Supported catalyst comprising expanded anions

Cyclopentaphenanthrenyl metal complexes and polymerization process

Process using borane derived catalysts for preparation of syndiotactic vinyl aromatic polymers

Integrated process for preparation of diene complexes

Integrated process for preparation of diene complexes

Cyclopentaphenanthrenyl metal complexes and polymerization process

DOW GLOBAL TECHNOLOGIES INC

Self limiting catalyst composition and propylene polymerization process

Polycyclic, fused ring compounds, metal complexes and polymerization process

Technique for selecting polymerization modifiers cross reference statement

Self limiting catalyst composition and propylene polymerization process

Self limiting catalyst composition and propylene polymerization process

Self limiting catalyst composition with dicarboxylic acid ester internal donor and propylene polymerization process

Bridged metal complexes

Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst activators therefrom

Substituted polycyclic, fused ring compounds, metal complexes and polymerization process

Polycyclic, fused ring compounds, metal complexes and polymerization process

Catalyst composition for ethylene polymerization

Method for identifying Ziegler-Natta cocatalysts

DOW GLOBAL TECHNOLOGIES LLC

Self limiting catalyst composition and propylene polymerization process

Polymerization modifiers

Polymerization modifiers

Polymerization modifiers

CHEN LINFENG

Self-limiting catalyst composition with No silane

Self-limiting catalyst system with controlled aluminum to SCA ratio and method

JORGENSEN ROBERT J

Self limiting catalyst composition for ethylene polymerization