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. 13, 1981
Filed:
Jan. 23, 1980
Applicant:
Inventor:
Graham K Hughes, Hackettstown, NJ (US);
Assignee:
The Southland Corporation, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568632 ; 568630 ;
Abstract
Alkyl aryl ethers are produced by incrementally reacting an acid and an alkanol with a phenol and continuously removing water formed as a by-product of the reaction. Preferably, the acid is sulfuric acid; the alkanol is methanol; and the phenol is .beta.-naphthol. The process is carried out at an elevated temperature, preferably at a temperature ranging from 125.degree. to 175.degree. C.
Hughes, Graham. (1981). Process for the production of alkyl aryl ethers (U.S. Patent No. 4294992). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4294992
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile