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:
Apr. 05, 1983
Filed:
Jan. 20, 1982
Applicant:
Inventor:
Cornelis Jongsma, Oirsbeek, NL;
Assignee:
Stamicarbon, B.V., Geleen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
203 31 ; 203 32 ; 568433 ; 568438 ;
Abstract
A process for the purification in the presence of water of impure benzaldehyde by which a purified benzaldehyde is prepared which has improved color stability and improved olfactory characteristics. The process is comprised of the steps of treating the impure benzaldehyde simultaneously with water and a metal less noble than hydrogen followed by distillation.
Jongsma, Cornelis. (1983). Process for the purification of benzaldehyde (U.S. Patent No. 4379026). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4379026
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile