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. 19, 2006
Filed:
Mar. 29, 2005
Prashant Anil Tatake, Mumbai, IN;
Pramod Shankar Kumbhar, Mumbai, IN;
Bharat Singh, Bangalore, IN;
John William Fulmer, Mt. Vernon, IN (US);
Sabyasachi Mandal, Bangalore, IN;
Arun N. Kumar, Bangalore, IN;
Rupesh Pawar, Maharashtra, IN;
Prashant Anil Tatake, Mumbai, IN;
Pramod Shankar Kumbhar, Mumbai, IN;
Bharat Singh, Bangalore, IN;
John William Fulmer, Mt. Vernon, IN (US);
Sabyasachi Mandal, Bangalore, IN;
Arun N. Kumar, Bangalore, IN;
Rupesh Pawar, Maharashtra, IN;
General Electric Company, Schenectady, NY (US);
Abstract
A process for producing a phenol product generally comprises a first step comprising reacting in a first reactor a feed stream comprising cumene hydroperoxide and water with an acid catalyst to produce an effluent comprising the phenol product, acetone, and at least 1% by weight residual cumene hydroperoxide, and a second step comprising passing the effluent into a second reactor and decomposing the residual cumene hydroperoxide, wherein during said process the ratio of phenol to acetone is maintained at a molar ratio of greater than 1:1, and wherein the water in each of the first and second steps is present in an amount more than 0 and less than or equal to 5 weight percent based on the total weight of the feed stream or effluent, and wherein the process is continuous.