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. 13, 2001
Filed:
Apr. 06, 2000
Applicant:
Inventor:
Mansoor Husain, Berkeley Heights, NJ (US);
Assignee:
Scientific Design Company, Inc., Little Ferry, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 2/974 ; C07C 2/726 ; C07C 3/122 ;
U.S. Cl.
CPC ...
C07C 2/974 ; C07C 2/726 ; C07C 3/122 ;
Abstract
Aqueous ethylene glycol solution containing aldehydes such as formaldehyde, acetaldehyde and the like is contacted with a solid bisulfite treated strong base anion exchange resin and a solution reduced in aldehydes content is separated.