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:
Sep. 16, 2003
Filed:
Apr. 12, 2002
Applicant:
Inventors:
Robert W. Emblidge, Swarthmore, PA (US);
Scott R. Keenan, Marlton, NJ (US);
Assignee:
Sunoco Inc (R&M), Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07L 3/768 ;
U.S. Cl.
CPC ...
C07L 3/768 ;
Abstract
An improved method for the recovery of phenol from aqueous streams comprises adding a relatively non-polar solvent to a phenol containing aqueous stream to improve the separation of the phenol form the aqueous stream. The improvement results in a phenol stream with a reduced level of salt carried over from the aqueous stream.
Emblidge, Robert. (2003). Method for recovery of phenol from aqueous streams (U.S. Patent No. 6620980). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6620980
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile