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:
Nov. 15, 1977
Filed:
Sep. 01, 1976
Applicant:
Inventor:
Michael Martan, Skokie, IL (US);
Assignee:
UOP Inc., Des Plaines, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ;
Abstract
Mixtures of isomeric ortho and para alkylated phenols or phenolic ethers may be separated without extensive distillation by treating a mixture of the isomers with a polyalkylene polyamine such as hexamethylenetetramine in the presence of a protonic solvent at sub-ambient temperatures.
Martan, Michael. (1977). Separation of isomers of phenols and phenolic ethers (U.S. Patent No. 4058566). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4058566
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile