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:
Apr. 04, 1978
Filed:
Feb. 25, 1976
Applicant:
Inventors:
Eugene Papirer, Pfastatt, FR;
Jean-Baptiste Donnet, Didenheim, FR;
Assignee:
Agence Nationale de Valorisation de la Recherche, Neuilly-sur-Seine, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02B / ;
U.S. Cl.
CPC ...
210 36 ; 210 40 ; 210D / ;
Abstract
The purification agent is constituted by a pulverulent mineral solid, on the surface of the constituent particles of which chains of polymers are fixed by grafting. The agent is useful for the purification of waters polluted for example by organic impurities such as hydrocarbons, and may be applied to the cleaning of systems which have contained petroleum.
Quick Actions:
Papirer, Eugene. (1978). Method of purification (U.S. Patent No. 4082660). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4082660
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile