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:
Feb. 16, 1993
Filed:
Feb. 20, 1992
Applicant:
Inventor:
T Thomas Shih, Bryn Mawr, PA (US);
Assignee:
Arco Chemical Technology, L.P., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
549542 ;
Abstract
The method for the separating close-boiling impurities from C.sub.2 -C.sub.4 l alkylene oxide which comprises contacting the impure alkylene oxide with solid activated carbon adsorbent and separating alkylene oxide reduced in impurities content from the adsorbent.
Quick Actions:
Shih, T. (1993). Lower alkylene oxide purification (U.S. Patent No. 5187287). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5187287
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