Inventor

GUENKEL ALFRED A

CA5 patents

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

GUENKEL ALFRED A

2 patents

US4966276AOct 30, 1990

Processes for concentrating nitric acid

GUENKEL ALFRED A5 citations56

US9139509B2Sep 22, 2015

Removal of non-aromatic impurities from a nitration process

GUENKEL ALFRED A1 citations45

NRM INT TECH

1 patent

US5313009AMay 17, 1994

Nitration process

NRM INT TECH144 citations92

NORAM ENGINEERING & CONSTRUCTO

1 patent

US5963878AOct 5, 1999

Nitration process

NORAM ENGINEERING & CONSTRUCTO22 citations87

NORAM INTERNATIONAL LTD

1 patent

US10155719B2Dec 18, 2018

Method of purifying nitrated aromatic compounds from a nitration process

NORAM INTERNATIONAL LTD0 citations24