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:
Feb. 19, 1985
Filed:
Sep. 22, 1982
Applicant:
Inventor:
Purnendu K Dasgupta, Lubbock, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
210638 ; 29456 ; 29505 ; 210656 ; 210678 ; 210679 ; 2103211 ; 2104971 ; 264295 ; 264320 ;
Abstract
An apparatus for ion exchange which comprises (1) a very small diameter helix shaped inner tube of a suitable ion exchanging material having a filament therein and having its terminal ends inserted into entry and exit tubes, and (2) a diametrically slightly larger and longer length hollow outer tube having (a) the helix enclosed therein; (b) inlet and outlet apertures; and (c) sealed ends around the entry and exit tubes leading to the helix, and the method of making and using the same.
Dasgupta, Purnendu. (1985). Continuously rejuvenated ion exchanger (U.S. Patent No. 4500430). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4500430
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile