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:
Feb. 22, 1983
Filed:
Apr. 28, 1981
Applicant:
Inventor:
Norman G Gaylord, New Providence, NJ (US);
Assignee:
Pure Air, Inc., Metairie, LA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423245 ; 55 68 ; 55 74 ; 422 36 ; 568493 ;
Abstract
A method for purifying air by removing gaseous formaldehyde under ambient conditions, by bringing the air in contact with a solid shaped composition consisting essentially of one or more polyhydric water-soluble polymers and ambient moisture, in the absence and in the presence of a solid substrate.