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:
Nov. 19, 1991
Filed:
Jul. 28, 1989
Applicant:
Inventors:
Jean-Claude Arnold, Clamart, FR;
Guy Cyprien, L'Hay Les Roses, FR;
Jean-Francois Olivere, Olivet, FR;
Assignee:
Rhone-Poulenc Chimie, Courbevoie, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
422266 ; 210205 ; 210753 ; 166 685 ; 166310 ; 137268 ; 417313 ; 422264 ;
Abstract
Fountain permitting the release of active agents into water originating from a well, comprising a passage for circulating the water drawn from the well around a cartridge containing the active agent to be diffused and for keeping this cartridge immersed in water when water is not being drawn from the well.