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.:

US 7309425 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 18, 2007

Filed:

Aug. 15, 2005
Applicants:

Sibdas Bandyopadhya, West Bengal, IN;

Dipali Kundu, West Bengal, IN;

Somendra Nath Roy, West Bengal, IN;

Bishnupada Ghosh, West Bengal, IN;

Himadri Sekhar Maiti, West Bengal, IN;

Inventors:

Sibdas Bandyopadhya, West Bengal, IN;

Dipali Kundu, West Bengal, IN;

Somendra Nath Roy, West Bengal, IN;

Bishnupada Ghosh, West Bengal, IN;

Himadri Sekhar Maiti, West Bengal, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/42 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a process for the preparation of arsenic free water and an apparatus therefor. The present invention also relates to a porous ceramic useful for pressure filtration in order to produce arsenic free water. The present invention particularly relates to a process for preparing arsenic free (<10 ppb) water from arsenic contaminated ground water and apparatus therefor.


Find Patent Forward Citations

Bandyopadhya, Sibdas. (2007). Apparatus for the preparation of arsenic free water (U.S. Patent No. 7309425). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7309425

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