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. 28, 1991
Filed:
Apr. 16, 1990
Applicant:
Inventors:
Chien C Chao, Millwood, NY (US);
Henry Rastelli, New Fairfield, CT (US);
Assignee:
UOP, Des Plaines, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C07C / ; C01C / ;
U.S. Cl.
CPC ...
585820 ; 585831 ; 423237 ;
Abstract
Clinoptilolites, including both natural and synthetic clinopilolites which have been ion-exchanged with metal cations such as lithium, sodium, potassium, calcium, magnesium, barium, strontium, zinc, copper, cobalt, iron and manganese, are useful for the removal of traces of ammonia from streams of hydrocarbons having kinetic diameters of not more than about 5.ANG.. The purified hydrocarbons are useful for producing polyolefins.