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:
Mar. 28, 2000
Filed:
Dec. 15, 1997
Applicant:
Inventors:
Travis W Honeycutt, Gainesville, GA (US);
Baosheng Lee, Duluth, GA (US);
Youshen Ding, Norcross, GA (US);
Ashley Myers, Norcross, GA (US);
Dong Dai, Lawrenceville, GA (US);
Assignee:
Isolyser Company, Inc., Norcross, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62D / ; B01D / ; B01D / ; C08G / ;
U.S. Cl.
CPC ...
588205 ; 588215 ; 588218 ; 588238 ; 588242 ; 210633 ; 210634 ; 210702 ; 210723 ; 210729 ; 210730 ; 210731 ; 210733 ; 210734 ; 210735 ; 210749 ; 527305 ; 527300 ;
Abstract
A method and treatment composition for neutralizing formaldehdye. The treatment composition contains polyethylenimine, urea and an acid having a pH of less than 6. Treatment of formaldehyde solutions with the treatment composition results in a suspension that it easily disposable and non-toxic.