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:
Oct. 26, 1982
Filed:
Sep. 12, 1980
Applicant:
Inventors:
Takehisa Inoue, Tokyo, JP;
Kishio Miwa, Kamakura, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568758 ; 568750 ;
Abstract
A feed containing a mixture of at least two alkylphenol isomers is contacted with a zeolite adsorbent to allow an alkylphenol isomer in the mixture to be selectively adsorbed on the adsorbent, and then the adsorbent is contacted with an aliphatic ketone desorbent to desorb the adsorbed isomer.