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. 25, 2011
Filed:
Mar. 03, 2009
Applicant:
David P. Palmer, Katy, TX (US);
Inventor:
David P. Palmer, Katy, TX (US);
Assignee:
Badger Licensing LLC, Cambridge, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C 37/88 (2006.01); C07C 39/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a method of reducing the viscosity of a residue stream from the production of bisphenol-A, the residue stream is combined with at least one of (a) a bottoms stream comprising polyalkylaromatic compounds and remaining after the fractionation of an effluent from an aromatics alkylation process to remove monoalkylaromatic compounds, (b) a stream containing at least 90 wt % phenol and (c) a mixture of phenol and said bottoms stream (a) to produce a combined stream.