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:
Aug. 16, 1994
Filed:
Apr. 19, 1993
John Capozzola, Syracuse, NY (US);
David K Kennedy, Constantia, NY (US);
General Chemical Corporation, Parsippany, NJ (US);
Abstract
A process for removing aluminum and sulfate values from an aqueous solution containing the same which comprises passing the solution through a semi-permeable membrane in a pressure vessel. The permeate solution is depleted of aluminum and sulfate ions and the concentrate solution is concentrated in aluminum and sulfate ions. The concentrate solution can be re-used in alum manufacture and the permeate solution can be discharged into public waterways without further purification.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile