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:
Apr. 27, 1993
Filed:
Jul. 01, 1991
Applicant:
Inventor:
Won S Park, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423700 ; 423210 ; 423347 ; 423349 ; 502 60 ; 502 85 ; 55 67 ; 55 68 ; 55 75 ;
Abstract
Improved molecular sieves and processes for treatment of molecular sieves which permit use for separation of ethylene and silane without attending formation of ethylsilane. Such treatment includes treatment of sieves with silane at an effective temperature, pressure and time.