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. 17, 2007
Filed:
Jan. 21, 2004
Applicant:
Larry Wayne Payne, Houston, TX (US);
Inventor:
Larry Wayne Payne, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 37/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing a phenol product having a reduced concentration of a contaminating reaction by-product. The method includes contacting a phenol stream, having a concentration of the contaminating by-product, by contacting the phenol stream with an acidic catalyst under suitable purification reaction conditions. Also included is a composition comprising a sec-butyl benzene derived phenol product that has been purified by the removal of certain undesirable reaction by-products.