Inventor

WELBORN JR HOWARD C

US22 patents

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

WELBORN JR HOWARD C

EXXON CHEMICAL PATENTS INC

Process and catalyst for polyolefin density and molecular weight control

Polymerization process using a new supported polymerization catalyst

Supported polymerization catalyst

New supported polymerization catalyst

Silicon-bridged transition metal compounds

Polymerization process

Supported polymerization catalyst

Supported polymerization catalyst

Catalyst compounds for olefin polymerization

Linear ethylene interpolymer blends of interpolymers having narrow molecular weight and composition distributions

High pressure, high temperature polymerization of ethylene

Silicon-bridged transition metal compounds

Copolymers of ethylene and 1,3-butadiene

Metallocene, hydrocarbylaluminum and hydrocarbylboroxine olefin polymerization catalyst

Process for the preparation of alumoxanes

Process and catalyst for polyolefin density and molecular weight control

Silicon-bridged transition metal compounds

Non-aqueous process for the preparation of alumoxanes

EXXON RESEARCH ENGINEERING CO

Process and catalyst for producing reactor blend polyolefins

Process and catalyst for producing polyethylene having a broad molecular weight distribution

Process and catalyst for producing polyethylene having a broad molecular weight distribution

WELBORN JR HOWARD C

Silicon-bridged transition metal compounds