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. 01, 1995
Filed:
Nov. 16, 1994
Applicant:
Inventors:
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; B01D / ;
U.S. Cl.
CPC ...
210710 ; 210721 ; 210759 ; 210778 ;
Abstract
A method for increasing the filtration rate of a precipitate produced from a photographic effluent includes treating the effluent with hydrogen peroxide and an alkaline earth metal salt to form a precipitate and adding to the precipitate a diatomaceous earth filtering aid and then filtering the precipitate.
Fyson, John. (1995). Filtration technique (U.S. Patent No. 5437790). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5437790
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile