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:
Oct. 11, 1994
Filed:
Jun. 09, 1993
Applicant:
Inventors:
Jeffrey A Ulman, Beverly, MA (US);
Walter Verstraeten, Mechelen, BE;
Michael A Cook, Boxford, MA (US);
Willy Verleye, Brasschaat, BE;
Lawrence J Guilbault, Topsfield, MA (US);
Assignee:
Morton International, Inc., Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; C02F / ;
U.S. Cl.
CPC ...
210716 ; 210719 ; 210723 ; 210734 ; 210912 ; 252175 ; 252180 ;
Abstract
An aqueous solution of sodium borohydride, sodium hydroxide, and an anionic polymer is useful for the reduction and separation of metals in wastewater and it is hydrolytically stable for a period of six months. It may also contain an alkali metal aluminate or alum. Thus, a one-package treatment of wastewater is provided by the invention described herein.
Ulman, Jeffrey. (1994). Alkali metal borohydride/anionic polymer solutions (U.S. Patent No. 5354478). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5354478
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile