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. 28, 1999
Filed:
Dec. 10, 1997
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568576 ; 568568 ;
Abstract
A process for extraction of hydroperoxides wherein 1,3-di-(2-hydroperoxy-2-propyl)benzene and 3-(2-hydroxy-2-propyl)-1-(2-hydroperoxy-2-propyl)benzene are extracted from a raw solution comprising 1,3-di-(2-hydroperoxy-2-propyl)benzene, 3-(2-hydroxy-2-propyl)-1-(2-hydroperoxy-2-propyl)benzene and an aqueous sodium hydroxide solution, said process using methyl isobutyl ketone containing not more than 10 ppm by weight of a phenol or phenols as a solvent for extraction.
Ohmae, Toshikazu. (1999). Process for the extraction of hydroperoxides (U.S. Patent No. 5959155). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5959155
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile