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PETROLIAM NASIONAL BERHAD

Kuala Lumpur, MY

PETROLIAM NASIONAL BERHAD Patent applications
Patent application numberTitlePublished
20120108822Process For The Preparation Of Chalcogene Compounds - The present invention is a novel process for the preparation of chalcogenone compounds by conversion of ionic liquids and salts comprising nitrogen-containing heterocyclic cations and basic anions to the corresponding nitrogen-containing heterocyclic chalcogenones by reaction with elemental chalcogens.05-03-2012
20100276821VAPOR DISTRIBUTOR FOR GAS-LIQUID CONTACTING COLUMNS - A vapor distributor for use in atmospheric or vacuum columns includes a new design of vapor inlet device, or vapor horn, to provide superior mixing and distribution of a tangential first feed and a vertical second feed. New vapor inlet device has an inlet dividing the first feed into two portions, each flowing in respective housings in opposed circulation directions, and a plurality of vanes for redirection of vapor. Mixing and distribution of feeds by the vapor distributor is further enhanced by inclusion in vapor distributor of a mixer and vapor directing plates.11-04-2010