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:
Oct. 15, 1985
Filed:
May. 02, 1984
Applicant:
Inventor:
Philippe Pichat, 75004 Paris, FR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C02F / ;
U.S. Cl.
CPC ...
210751 ; 210919 ; 106 85 ;
Abstract
According to the process, a clay material is first dispersed with stirring in the waste (or vice versa) between 0.degree. and 150.degree. C. then, in particular in the case of acidic wastes, it is neutralized to an approximately neutral pH by a product preferably with a lime base and, in a third phase, a hydraulic and/or calcium binder is added to the mixture. Application to petrification of all types of wastes of industrial, mining, urban and other origins.