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. 08, 1978
Filed:
Apr. 28, 1975
Applicant:
Inventor:
Donald R Larkin, Corpus Christi, TX (US);
Assignee:
Celanese Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2606 / ; 560 79 ; 560248 ; 568868 ; 568870 ;
Abstract
A liquid contaminated with a carbonyl compound, especially an aldehyde, is purified by being contacted with a bed of solid polyvinyl alcohol particles or fibers. The carbonyl compound is adsorbed or chemisorbed onto the solid polyvinyl alcohol surface with resulting reaction in the carbonyl content of the liquid.