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:
Jul. 06, 1993
Filed:
Jun. 28, 1991
Applicant:
Inventors:
Nhuan P Nghiem, Naperville, IL (US);
Thomas M Miller, Aurora, IL (US);
Richard J Mouche, Batavia, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; D06M / ; C12R / ;
U.S. Cl.
CPC ...
435168 ; 435170 ; 43525231 ; 4352525 ; 435264 ; 435839 ;
Abstract
The concentration of at least one metal species in an aqueous system is at least reduced in an aqueous system that contains at least one kind of chelating agent, by adding to such system a species or plurality of species of bacteria that have a low toxicity for the metal species, and establishing and maintaining a biomass in the system for a sufficent time period to reduce the metal concentration.
Nghiem, Nhuan. (1993). Process for reducing metal concentration in aqueous systems (U.S. Patent No. 5225340). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5225340
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile