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. 20, 1981
Filed:
May. 16, 1980
Stamicarbon, B.V., Geleen, NL;
Abstract
The invention relates to a method for the preparation of a pure alkali metal benzoate, specifically of a pure alkali metal benzoate from benzyl benzoate prepared by oxidation of an alkyl benzene compound, specifically toluene, with a gas containing molecular oxygen, besides benzyl alcohol. Very specifically the invention relates to a method for the preparation of sodium benzoate besides benzyl alcohol. For this purpose crude benzyl benzoate is subjected to a treatment with a reducing substance to convert impurities, under such circumstance that, in the process, there will be no conversion of any substantial quantity of benzyl benzoate. Subsequently the benzyl benzoate is saponified to the alkali metal benzoate and benzyl alcohol.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile