The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 1995
Filed:
Oct. 25, 1993
William Hertl, Corning, NY (US);
Irwin M Lachman, Corning, NY (US);
Corning Incorporated, Corning, NY (US);
Abstract
A method and system for removing low molecular weight olefins from gases generated during the first five minutes of start-up of an internal combustion engine. The mixture is contacted with hydrophilic material to remove at least some of the water therefrom. The hydrophilic material can be molecular sieve having pores large enough for adsorption of water molecules and small enough to prevent molecules larger than water from being adsorbed, high surface area aluminas, precursors for high surface area aluminas, high surface area silicas, and combinations thereof. The mixture is then contacted with a downstream hydrocarbon-removing agent for removing the olefins. The hydrocarbon-removing agent can be at least one molecular sieve which can be pentasil zeolites, faujasite zeolites, mordenite, beta zeolites, carbon molecular sieve, metallophosphates, aluminophosphates, silicoaluminophosphates, and combinations thereof.