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:
Dec. 13, 1976
Filed:
May. 19, 1975
Applicant:
Inventors:
Assignee:
Stamicarbon B.V., Geleen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
260620 ; 2606 / ;
Abstract
A process for purifying ortho-phenylphenol which is admixed with ortho-cyclohexylphenol, by treating the mixture with an alkaline solution containing less than one mole equivalent of base per mole of ortho-phenylphenol in said mixture; the alkaline solution is extracted and ortho-phenylphenol is recovered from the aqueous phase by acificiation and extraction with subsequent isolation of the ortho-phenylphenol, which contains less than 5% (by weight) ortho-cyclohexylphenol.
Klein, Joseph. (1976). Process for recovery of ortho-phenylphenol (U.S. Patent No. 3997615). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3997615
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile