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:
Aug. 25, 1981
Filed:
Feb. 28, 1980
Cornelis Jongsma, Oirsbeek, NL;
Stamicarbon, B.V., Geleen, NL;
Abstract
A process for purification of impure benzaldehyde by which purified benzaldehyde is prepared which has improved color stability and improved olfactory characteristics. The process is comprised of the steps of treatment with hydrogen in the presence of a hydrogenation catalyst followed by distillation. The present invention is a new and novel process for the purification of benzaldehyde and, is in particular, a unique and novel process for the purification of benzaldehyde prepared by the oxidation of toluene with a gas containing molecular oxygen.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile